1 00:00:01,961 --> 00:00:04,003 Shatner: Driven by their darkest urges, 2 00:00:04,046 --> 00:00:09,133 sadistic predators stalk their victims 3 00:00:09,218 --> 00:00:14,179 in an effort to satisfy their need to kill. 4 00:00:17,226 --> 00:00:20,686 The horrible deeds done by serial killers 5 00:00:20,771 --> 00:00:22,396 give us a glimpse into the minds 6 00:00:22,481 --> 00:00:26,525 of humanity's most disturbed individuals. 7 00:00:26,569 --> 00:00:31,363 But what is it that separates so-called normal people 8 00:00:31,407 --> 00:00:35,200 from those who have an insatiable desire 9 00:00:35,244 --> 00:00:37,202 to take a life? 10 00:00:37,246 --> 00:00:39,163 (gasps) 11 00:00:39,248 --> 00:00:42,124 that is what we'll try and find out. 12 00:00:45,421 --> 00:00:47,379 ♪ ♪ 13 00:01:04,148 --> 00:01:07,232 detectives with cadaver dogs 14 00:01:07,276 --> 00:01:11,779 discover the badly decomposed remains of several women. 15 00:01:11,864 --> 00:01:15,449 They are found stuffed inside industrial barrels, 16 00:01:15,534 --> 00:01:19,828 on a farm belonging to john edward robinson. 17 00:01:22,541 --> 00:01:26,085 In 1993, during the early days of the internet, 18 00:01:26,170 --> 00:01:29,213 robinson, under the alias "slavemaster," 19 00:01:29,256 --> 00:01:34,218 prowled chat rooms in search of potential victims. 20 00:01:34,303 --> 00:01:36,720 He then lured them to his property. 21 00:01:36,806 --> 00:01:39,598 As a gruesome consequence for his crimes, 22 00:01:39,642 --> 00:01:43,602 john edward robinson received the dubious distinction 23 00:01:43,687 --> 00:01:49,441 of being the internet's first convicted serial killer. 24 00:01:49,527 --> 00:01:53,195 The internet has really opened up, uh, the opportunities 25 00:01:53,280 --> 00:01:56,782 for serial killers to find, um, victims more easily. 26 00:01:58,244 --> 00:02:00,119 We've had serial killers who have actually 27 00:02:00,204 --> 00:02:01,537 a-attracted victims online 28 00:02:01,622 --> 00:02:03,580 to their homes, where they've killed them. 29 00:02:03,666 --> 00:02:05,124 Across state lines. 30 00:02:05,209 --> 00:02:07,459 They've offered work. They've offered sex. 31 00:02:07,545 --> 00:02:09,461 "come to my home and I'll give you money." 32 00:02:09,505 --> 00:02:11,421 you know, one has to be very careful on the internet, 33 00:02:11,507 --> 00:02:12,756 'cause you can be what-- whoever you want to be. 34 00:02:12,842 --> 00:02:15,467 And so, serial killers do find victims that way. 35 00:02:20,474 --> 00:02:23,058 -(barks) -while searching for a missing person 36 00:02:23,144 --> 00:02:25,269 just off ocean parkway, in suffolk county, 37 00:02:25,312 --> 00:02:27,604 a police officer and his dog discover 38 00:02:27,648 --> 00:02:30,482 the skeletal remains of a dead woman. 39 00:02:30,568 --> 00:02:34,611 Police later find that ten more mutilated bodies 40 00:02:34,697 --> 00:02:37,239 have been disposed of in this area, 41 00:02:37,324 --> 00:02:41,535 and all in a similar fashion. 42 00:02:41,620 --> 00:02:43,829 Joe domanick: The suffolk county police found out 43 00:02:43,873 --> 00:02:45,664 that they had a serial killer in their midst 44 00:02:45,708 --> 00:02:49,710 when they started finding bodies dumped. 45 00:02:49,795 --> 00:02:52,504 And really, the distinguishing thing 46 00:02:52,590 --> 00:02:54,673 that we know about these killings 47 00:02:54,717 --> 00:02:56,675 is that the police found out 48 00:02:56,760 --> 00:02:58,510 that many of them were prostitutes. 49 00:03:02,391 --> 00:03:05,642 Shatner: As news of these shocking discoveries make headlines, 50 00:03:05,686 --> 00:03:07,686 the unknown murderer becomes known as 51 00:03:07,771 --> 00:03:10,731 the long island serial killer. 52 00:03:11,734 --> 00:03:14,318 And once the bodies are identified, 53 00:03:14,403 --> 00:03:17,779 another eerie coincidence is discovered. 54 00:03:17,865 --> 00:03:21,283 Several of the victims had offered escort services 55 00:03:21,368 --> 00:03:24,328 on the internet site craigslist. 56 00:03:24,413 --> 00:03:26,205 Hickey: Craigslist is another mask. 57 00:03:26,290 --> 00:03:29,833 It's another way to use social media to find victims. 58 00:03:29,919 --> 00:03:32,669 And, uh, it's another tool in their repertoire. 59 00:03:32,755 --> 00:03:36,298 So, in some ways, serial killers today 60 00:03:36,383 --> 00:03:38,717 are becoming more sophisticated. 61 00:03:38,802 --> 00:03:42,512 Psychopaths feel a sense of power and control 62 00:03:42,598 --> 00:03:43,722 because they have so many different tools 63 00:03:43,807 --> 00:03:46,892 that they can use to create distractions 64 00:03:46,977 --> 00:03:48,644 and to create ruses. 65 00:03:49,688 --> 00:03:51,438 Narcissism and control 66 00:03:51,523 --> 00:03:54,191 are two of the character traits for serial killers. 67 00:03:54,276 --> 00:03:57,861 Certainly that fits for serial killers 68 00:03:57,947 --> 00:04:00,405 who prey on women on the margins. 69 00:04:02,910 --> 00:04:04,826 Shatner: Even though the suffolk county police have offered 70 00:04:04,912 --> 00:04:08,247 a $25,000 reward for information 71 00:04:08,290 --> 00:04:11,416 leading to an arrest in the long island murders-- 72 00:04:11,460 --> 00:04:13,752 the largest offered in the county's history-- 73 00:04:13,837 --> 00:04:18,423 to this day, the killer remains at large. 74 00:04:20,427 --> 00:04:24,263 But what compels someone like the long island serial killer 75 00:04:24,348 --> 00:04:29,184 or john edward robinson to commit cold-blooded murder 76 00:04:29,270 --> 00:04:31,478 again and again? 77 00:04:31,563 --> 00:04:36,942 What makes an otherwise normal human being a serial killer? 78 00:04:38,654 --> 00:04:41,613 A serial killer is defined as someone who kills 79 00:04:41,699 --> 00:04:43,448 three or more people 80 00:04:43,492 --> 00:04:46,785 with an emotional cooling-off period in between. 81 00:04:48,455 --> 00:04:50,455 Whereas a mass murderer 82 00:04:50,541 --> 00:04:53,750 will come in and kill three people at the same place. 83 00:04:53,794 --> 00:04:56,753 And a spree killer, he will kill, 84 00:04:56,839 --> 00:04:58,755 move onto the next, kill again, 85 00:04:58,841 --> 00:05:02,259 move onto the next, but there's no emotional cooling-off period. 86 00:05:02,344 --> 00:05:04,469 A serial killer, it's like 87 00:05:04,555 --> 00:05:07,264 he or she gets a shot of emotional heroin. 88 00:05:07,349 --> 00:05:12,394 Shatner: The term "serial killer" was first coined in the mid-1970s 89 00:05:12,479 --> 00:05:16,898 by former fbi psychological profiler robert ressler. 90 00:05:16,984 --> 00:05:20,569 He picked the word "serial" because police described 91 00:05:20,654 --> 00:05:25,324 these types of murders as being crimes in a series. 92 00:05:26,910 --> 00:05:28,952 Serial killers are repetitive 93 00:05:29,038 --> 00:05:31,538 because there are things that drive them. 94 00:05:31,623 --> 00:05:34,333 There's a fantasy involved with-with the killing. 95 00:05:34,418 --> 00:05:36,501 This is especially true if we're talking about 96 00:05:36,587 --> 00:05:39,463 sexual predators who are serial killers. 97 00:05:39,548 --> 00:05:42,758 Judy ho: They just don't seem to have their emotions stimulated 98 00:05:42,843 --> 00:05:45,510 the way that a normal person's brain would. 99 00:05:45,554 --> 00:05:47,512 They just think about what's gonna feel good right now, 100 00:05:47,598 --> 00:05:50,557 and they don't routinely take other people's feelings 101 00:05:50,642 --> 00:05:52,309 into consideration, 102 00:05:52,394 --> 00:05:54,478 and engaging in all those analytical consequences 103 00:05:54,563 --> 00:05:56,396 and functions that people think about. 104 00:05:56,482 --> 00:06:01,360 Harvey rosenstock: You don't have any kind of conscience at all, 105 00:06:01,403 --> 00:06:03,528 whether it's one murder or two murders or three murders. 106 00:06:03,572 --> 00:06:06,531 The person who is committing a crime and another crime 107 00:06:06,617 --> 00:06:09,368 and another crime, the only deterrent, 108 00:06:09,453 --> 00:06:14,331 the only place where he has some qualms, some regrets, 109 00:06:14,416 --> 00:06:16,458 is if, in fact, he does get caught. 110 00:06:16,543 --> 00:06:20,837 Van zandt: The fbi has said there's maybe 50 serial killers 111 00:06:20,923 --> 00:06:23,924 operating in the united states at any one time. 112 00:06:24,009 --> 00:06:26,760 Do we have a lock on who they are? Well, no. 113 00:06:26,845 --> 00:06:30,389 They would be under arrest if we did. 114 00:06:30,432 --> 00:06:31,848 We don't know who they are. 115 00:06:31,934 --> 00:06:34,476 We can't identify who they are. 116 00:06:34,561 --> 00:06:37,396 We don't know that they're a serial killer 117 00:06:37,439 --> 00:06:41,525 until we find the victims that they've killed. 118 00:06:41,568 --> 00:06:45,028 We also know that when we find them, the big secret 119 00:06:45,114 --> 00:06:50,742 is that we will never be able to rehabilitate them. 120 00:06:50,786 --> 00:06:53,995 Shatner: If serial killers are so difficult to profile, 121 00:06:54,081 --> 00:06:58,542 and nearly impossible to detect, 122 00:06:58,627 --> 00:07:02,087 is there any way we can ever feel safe? 123 00:07:02,131 --> 00:07:04,589 Perhaps the answers can be found by examining the case 124 00:07:04,675 --> 00:07:08,885 of america's very first serial killer, 125 00:07:08,971 --> 00:07:13,098 and the sadistic lair that he called 126 00:07:13,142 --> 00:07:14,933 the murder castle. 127 00:07:22,609 --> 00:07:26,403 An estimated 27 million people from all over the world flock 128 00:07:26,488 --> 00:07:29,614 to the world's columbian exposition, 129 00:07:29,700 --> 00:07:33,785 otherwise known as the chicago world's fair. 130 00:07:33,871 --> 00:07:36,997 It is so named in honor of the 400th anniversary 131 00:07:37,082 --> 00:07:40,792 of christopher columbus's landing in the new world. 132 00:07:40,836 --> 00:07:44,463 Having risen from the ashes of the great chicago fire, 133 00:07:44,506 --> 00:07:47,632 the city now shines brighter than ever, 134 00:07:47,676 --> 00:07:49,426 illuminating the fairgrounds 135 00:07:49,511 --> 00:07:53,138 with nearly 100,000 electric lamps. 136 00:07:53,182 --> 00:07:55,599 -But... -(footsteps echoing) 137 00:07:55,684 --> 00:07:59,811 lurking in the shadows is a sadistic killer... 138 00:08:01,690 --> 00:08:05,108 ...Herman webster mudgett, 139 00:08:05,194 --> 00:08:09,154 better known by his alias h.H. Holmes. 140 00:08:11,492 --> 00:08:13,909 Morrison: H.H. Holmes was extremely clever. 141 00:08:13,994 --> 00:08:15,785 He was a pharmacist, actually. 142 00:08:15,829 --> 00:08:20,040 His home was set up for single women 143 00:08:20,125 --> 00:08:24,085 who came to the city to make their way, to get involved, 144 00:08:24,171 --> 00:08:28,840 to become part of this wonderful exposition that was going on. 145 00:08:28,926 --> 00:08:34,262 So h.H. Holmes had access to many, many single women... 146 00:08:36,058 --> 00:08:37,516 ...And he murdered them. 147 00:08:39,061 --> 00:08:42,479 Hickey: Holmes had spent a great deal of time 148 00:08:42,564 --> 00:08:44,814 in preparation for his murders. 149 00:08:44,900 --> 00:08:47,192 It wasn't like it was on impulse. 150 00:08:47,277 --> 00:08:49,611 There was a lot of control here. 151 00:08:49,696 --> 00:08:51,696 I think that he enjoyed 152 00:08:51,782 --> 00:08:54,533 the, uh, power he had over people in general. 153 00:08:54,576 --> 00:08:57,035 And the world's fair really played out well for him. 154 00:08:57,079 --> 00:08:59,496 Shatner: Holmes became rich 155 00:08:59,581 --> 00:09:03,250 as a cunning and charismatic con artist. 156 00:09:03,335 --> 00:09:05,877 He swindled several people out of their fortunes, 157 00:09:05,921 --> 00:09:09,047 and used the proceeds to build a one-of-a-kind mansion 158 00:09:09,091 --> 00:09:12,217 which allowed him to pursue his darkest desires. 159 00:09:14,805 --> 00:09:18,557 The macabre edifice would eventually become known 160 00:09:18,600 --> 00:09:22,561 as holmes's murder castle. 161 00:09:22,646 --> 00:09:28,066 H.H. Holmes built this phenomenally complex castle 162 00:09:28,110 --> 00:09:31,861 with enough rooms that he could rent rooms to people 163 00:09:31,947 --> 00:09:35,574 who came in for the exposition, mostly single women, 164 00:09:35,617 --> 00:09:38,702 and he would go out and advertise this, 165 00:09:38,787 --> 00:09:40,954 bring people in, put them in these rooms 166 00:09:41,039 --> 00:09:43,582 where they felt they were safe. 167 00:09:44,960 --> 00:09:48,044 It was almost like the spider to the fly. 168 00:09:48,130 --> 00:09:51,131 It was like, "come and see my mansion, 169 00:09:51,216 --> 00:09:53,550 an elaborate mansion." 170 00:09:53,594 --> 00:09:56,052 he had all kinds of odd staircases 171 00:09:56,138 --> 00:09:59,139 -and tunnels and chutes and things. -(woman screams) 172 00:09:59,224 --> 00:10:02,642 so then he would gas these victims 173 00:10:02,728 --> 00:10:05,729 and then send them down the chute into the basement. 174 00:10:07,107 --> 00:10:10,567 And then torture them, or if they were already dead, 175 00:10:10,652 --> 00:10:13,194 then he could take-take apart the bodies and-- which he did. 176 00:10:15,073 --> 00:10:17,115 Shatner: On November 17, 1894, 177 00:10:17,159 --> 00:10:19,826 the man known as america's first serial killer 178 00:10:19,911 --> 00:10:21,786 was finally arrested, 179 00:10:21,872 --> 00:10:25,081 but only then did investigators begin to learn the full extent 180 00:10:25,125 --> 00:10:28,960 of h.H. Holmes's murderous behavior. 181 00:10:29,046 --> 00:10:32,922 After confessing to the murders of 27 young women, 182 00:10:33,008 --> 00:10:37,093 on may 7, 1896, holmes, 183 00:10:37,179 --> 00:10:41,264 now referred to by the press as "the devil in the white city" 184 00:10:41,308 --> 00:10:44,309 was hanged by the neck until dead. 185 00:10:47,064 --> 00:10:51,775 But what led an otherwise normal and unassuming man 186 00:10:51,860 --> 00:10:54,277 to not only commit murders but to construct 187 00:10:54,363 --> 00:10:57,322 such an elaborate house of horror? 188 00:10:59,868 --> 00:11:02,661 Perhaps the answer can be found by exploring the lair 189 00:11:02,746 --> 00:11:05,622 of yet another serial killer, 190 00:11:05,707 --> 00:11:08,917 one created almost a century later. 191 00:11:22,724 --> 00:11:25,934 Shatner: Police officers responding to a complaint 192 00:11:26,019 --> 00:11:29,813 arrive at the apartment of a man by the name of jeffrey dahmer, 193 00:11:29,856 --> 00:11:33,066 apartment number 213. 194 00:11:33,151 --> 00:11:37,487 But what happens next defies explanation. 195 00:11:38,573 --> 00:11:41,116 Hickey: When the police arrived at his apartment, 196 00:11:41,201 --> 00:11:43,576 they went toward his bedroom, and when they opened the door, 197 00:11:43,662 --> 00:11:45,954 his bedroom was full of body parts. 198 00:11:46,998 --> 00:11:50,667 Torsos and heads here and there. 199 00:11:51,962 --> 00:11:54,838 Shatner: The police made even more shocking discoveries: 200 00:11:54,881 --> 00:11:57,257 A 57-gallon vat of acid, 201 00:11:57,342 --> 00:12:00,218 photos of grotesquely mangled bodies, 202 00:12:00,262 --> 00:12:02,137 partially eaten organs, 203 00:12:02,222 --> 00:12:06,015 and inside the refrigerator, a human head. 204 00:12:06,101 --> 00:12:10,228 In all, the apartment contained the remains of 11 human victims, 205 00:12:10,272 --> 00:12:14,065 men and boys who police later determined had been murdered, 206 00:12:14,151 --> 00:12:17,402 dismembered and even eaten 207 00:12:17,446 --> 00:12:20,280 by the man who soon became known as 208 00:12:20,365 --> 00:12:23,783 the "milwaukee monster." 209 00:12:23,869 --> 00:12:25,952 jeffrey dahmer was a serial killer 210 00:12:26,037 --> 00:12:30,790 who usually chose his victims, uh, in young men, 211 00:12:30,876 --> 00:12:33,001 usually around their teenage years. 212 00:12:33,086 --> 00:12:38,214 He would usually find a way with drugs or alcohol and sex 213 00:12:38,300 --> 00:12:42,260 to compel victims to come back to his apartment, 214 00:12:42,345 --> 00:12:44,220 where he would murder them. 215 00:12:44,306 --> 00:12:45,889 Many times, he'd cut up the bodies. 216 00:12:45,974 --> 00:12:48,016 He would save pieces of the body in his freezer 217 00:12:48,101 --> 00:12:50,602 and his refrigerator. 218 00:12:50,687 --> 00:12:52,812 Hickey: The stench of a decomposing body 219 00:12:52,898 --> 00:12:55,231 is absolutely overwhelming, and yet, 220 00:12:55,317 --> 00:12:57,150 dahmer became acclimated to it. 221 00:12:57,235 --> 00:12:59,652 His fantasy was-was 222 00:12:59,738 --> 00:13:01,446 to make this table, which he, which he built, 223 00:13:01,490 --> 00:13:03,656 and he took the heads of some of his victims 224 00:13:03,742 --> 00:13:05,825 and placed them on the desk, 225 00:13:05,911 --> 00:13:07,869 where he could sit and be surrounded 226 00:13:07,954 --> 00:13:11,039 by all of these skulls of people that he had eaten. 227 00:13:11,124 --> 00:13:13,208 These were his friends; these were people he loved 228 00:13:13,293 --> 00:13:15,043 in his own fantasy world. 229 00:13:15,128 --> 00:13:17,962 Judge: Mr. Dahmer, you're charged with four counts 230 00:13:18,048 --> 00:13:19,839 of first-degree intentional homicide. 231 00:13:19,925 --> 00:13:23,134 -Do you understand that? -I understand, your honor. 232 00:13:23,220 --> 00:13:27,180 Shatner: Like h.H. Holmes before him, jeffrey dahmer was not content 233 00:13:27,265 --> 00:13:29,140 with the mere taking of human lives. 234 00:13:29,184 --> 00:13:30,433 Instead, he sought to construct 235 00:13:30,477 --> 00:13:33,186 the equivalent of a virtual world-- 236 00:13:33,271 --> 00:13:37,982 an alternate reality dedicated to his deviant fixations. 237 00:13:39,110 --> 00:13:42,987 But what causes an otherwise average and unremarkable man 238 00:13:43,031 --> 00:13:46,491 like jeffrey dahmer to become a bloodthirsty serial killer? 239 00:13:47,911 --> 00:13:50,036 One person who believes he may have 240 00:13:50,121 --> 00:13:52,330 at least a few of the answers 241 00:13:52,374 --> 00:13:56,793 is graphic novelist and former dahmer classmate 242 00:13:56,837 --> 00:13:58,419 john backderf. 243 00:13:58,505 --> 00:14:00,171 In 2012, 244 00:14:00,215 --> 00:14:04,175 nearly two decades after dahmer was beaten to death in prison, 245 00:14:04,261 --> 00:14:07,345 backderf published my friend dahmer, 246 00:14:07,430 --> 00:14:11,850 a series of illustrated stories that chronicle 247 00:14:11,893 --> 00:14:14,686 the future serial killer's high school years. 248 00:14:14,771 --> 00:14:17,188 Backderf: We went to junior high and high school together, 249 00:14:17,274 --> 00:14:22,151 and were friends from age 12 to when we graduated. 250 00:14:22,237 --> 00:14:24,028 He was always a pretty strange dude, 251 00:14:24,072 --> 00:14:26,948 kind of an oddball, and he got darker and darker 252 00:14:27,033 --> 00:14:30,869 as our time together went on. 253 00:14:30,954 --> 00:14:32,704 Shatner: In his depictions of dahmer, 254 00:14:32,789 --> 00:14:35,915 backderf sought to reveal the warning signs that were present 255 00:14:36,001 --> 00:14:39,043 in the young, troubled man's demeanor. 256 00:14:40,380 --> 00:14:42,213 Backderf: When I draw dahmer, 257 00:14:42,257 --> 00:14:45,341 I try to capture the blank expression, the dead eyes. 258 00:14:45,427 --> 00:14:49,429 I purposely make him look uncomfortable in his own body, 259 00:14:49,514 --> 00:14:51,389 because that's how I remember him. 260 00:14:51,474 --> 00:14:53,391 He was kind of, like, robotic, 261 00:14:53,476 --> 00:14:58,771 like he didn't physically fit in with the rest of humanity, 262 00:14:58,857 --> 00:15:01,065 which, of course, he didn't. 263 00:15:01,151 --> 00:15:03,401 Jeff was very much a blank canvas. 264 00:15:03,486 --> 00:15:05,445 You never knew what was going on 265 00:15:05,530 --> 00:15:07,488 behind this blank wall of a face. 266 00:15:07,574 --> 00:15:09,949 And of course, that's something that later became 267 00:15:10,035 --> 00:15:11,367 a very lethal trait, 268 00:15:11,453 --> 00:15:14,245 because his victims had no idea what was coming. 269 00:15:14,289 --> 00:15:17,540 Part of dahmer's schoolyard legend 270 00:15:17,626 --> 00:15:20,418 was clubhouse, where he kept roadkill 271 00:15:20,503 --> 00:15:23,046 that he found around the neighborhood, small animals. 272 00:15:23,131 --> 00:15:25,048 And he would keep them in pickle jars. 273 00:15:25,133 --> 00:15:27,050 He would actually dissect these roadkill. 274 00:15:27,135 --> 00:15:31,054 Shatner: Was dahmer's so-called clubhouse 275 00:15:31,097 --> 00:15:34,390 a chilling precursor to apartment number 213, 276 00:15:34,434 --> 00:15:36,434 the place where his adolescent fascination 277 00:15:36,478 --> 00:15:38,937 with animal carcasses escalated 278 00:15:39,022 --> 00:15:43,274 into an uncontrollable obsession of dismemberment, 279 00:15:43,360 --> 00:15:48,279 necrophilia and, most notoriously, cannibalism? 280 00:15:48,365 --> 00:15:50,239 We try to make sense 281 00:15:50,325 --> 00:15:53,117 of something that seems so primitive 282 00:15:53,161 --> 00:15:55,828 and so out of the ordinary. 283 00:15:55,914 --> 00:15:58,456 A human being eating another human being? 284 00:15:58,541 --> 00:16:00,458 But this is not a human being, 285 00:16:00,543 --> 00:16:03,962 and he doesn't see his victim as a human being. 286 00:16:04,005 --> 00:16:05,922 It's just a piece of meat. 287 00:16:06,007 --> 00:16:07,632 Backderf: I never felt like I knew jeff. 288 00:16:07,717 --> 00:16:09,425 I don't think anyone knew him. 289 00:16:09,511 --> 00:16:13,429 I never dreamed that he would commit crimes like this. 290 00:16:15,100 --> 00:16:17,266 How is it that we're so unaware 291 00:16:17,352 --> 00:16:19,686 of the monsters that walk among us? 292 00:16:20,689 --> 00:16:22,855 Shatner: Does jeffrey dahmer's childhood 293 00:16:22,941 --> 00:16:26,234 suggest that serial killers develop their dark impulses 294 00:16:26,319 --> 00:16:28,027 early in life? 295 00:16:28,113 --> 00:16:30,363 And if so, then why aren't we able to spot them 296 00:16:30,448 --> 00:16:32,448 before it's too late? 297 00:16:41,960 --> 00:16:45,211 After more than a decade of denials, 298 00:16:45,296 --> 00:16:47,630 and mere moments away from his execution, 299 00:16:47,674 --> 00:16:50,508 ted bundy confesses to 30 homicides. 300 00:16:52,345 --> 00:16:54,053 (woman screaming) 301 00:16:54,139 --> 00:16:58,182 it was a trail of death that spanned many years 302 00:16:58,268 --> 00:17:01,978 and stretched from washington state to florida. 303 00:17:02,063 --> 00:17:04,647 I can only liken it to-- after, you know, 304 00:17:04,691 --> 00:17:07,692 I don't want to overdramatize it-- 305 00:17:07,736 --> 00:17:10,236 but to have been possessed 306 00:17:10,321 --> 00:17:12,905 by something so awful and so alien, 307 00:17:12,991 --> 00:17:15,450 and then, the next morning, wake up from it. 308 00:17:18,079 --> 00:17:21,998 Strand: He was everything, as the media loved saying, 309 00:17:22,083 --> 00:17:26,044 that you would expect a fine young american man to be. 310 00:17:26,129 --> 00:17:27,712 The kind of guy that women would want 311 00:17:27,797 --> 00:17:29,380 to bring home to the parents. 312 00:17:29,466 --> 00:17:32,091 Judge: You're a bright young man. 313 00:17:32,177 --> 00:17:33,676 You'd have made a good lawyer. 314 00:17:33,762 --> 00:17:35,386 I'd have loved to have you practice in front of me. 315 00:17:35,430 --> 00:17:37,221 But you went another way, partner. 316 00:17:37,265 --> 00:17:41,350 Strand: And yet here he was, sneaking around seattle, 317 00:17:41,394 --> 00:17:44,062 with his volkswagen with the seat removed 318 00:17:44,105 --> 00:17:46,939 so that he could transport bodies. 319 00:17:47,025 --> 00:17:49,275 He was psychopathic. 320 00:17:49,360 --> 00:17:53,029 Shatner: But how could an otherwise clean-cut 321 00:17:53,114 --> 00:17:55,573 and educated young man like ted bundy 322 00:17:55,658 --> 00:17:59,702 become a cold-blooded, psychopathic killer? 323 00:18:01,331 --> 00:18:03,623 Van zandt: Serial killers look like any of us; 324 00:18:03,708 --> 00:18:06,000 therefore they look like all of us. 325 00:18:06,086 --> 00:18:08,294 There are those individuals that have the ability 326 00:18:08,379 --> 00:18:10,463 to wear the mask all the time. 327 00:18:10,548 --> 00:18:12,507 You can never see through that mask 328 00:18:12,592 --> 00:18:14,926 until they want you to see it, 329 00:18:15,011 --> 00:18:17,470 and usually that's when you've become a victim. 330 00:18:17,555 --> 00:18:19,597 Morrison: When we find them, 331 00:18:19,641 --> 00:18:23,434 we can't figure out why they do what they do. 332 00:18:23,478 --> 00:18:27,105 How they're able to commit so many crimes 333 00:18:27,190 --> 00:18:29,273 without being found. 334 00:18:29,317 --> 00:18:32,693 Shatner: Perhaps an even more shocking example 335 00:18:32,779 --> 00:18:36,364 of how adept serial killers can be at hiding in plain sight 336 00:18:36,449 --> 00:18:38,991 can be found by examining the case of a man 337 00:18:39,077 --> 00:18:42,120 who everyone thought was a selfless veteran 338 00:18:42,163 --> 00:18:46,457 until they found out what he was hiding inside his house. 339 00:18:56,719 --> 00:18:58,219 (siren wailing) 340 00:18:58,304 --> 00:19:00,429 shatner: Police arrive at the home of anthony sowell 341 00:19:00,515 --> 00:19:04,100 with a warrant to arrest him for an alleged rape. 342 00:19:04,185 --> 00:19:05,768 Before they even enter the house, 343 00:19:05,854 --> 00:19:10,106 they get their first hint of the horror that awaits them inside. 344 00:19:10,191 --> 00:19:12,984 As soon as they open the door of the house, in the first place, 345 00:19:13,069 --> 00:19:15,319 there is a... A horrific stench. 346 00:19:15,363 --> 00:19:17,363 (flies buzzing) 347 00:19:17,448 --> 00:19:19,282 they get up to the third floor, 348 00:19:19,367 --> 00:19:22,076 and the lead officer sees dead bodies. 349 00:19:22,162 --> 00:19:24,537 The bodies were so decomposed 350 00:19:24,622 --> 00:19:28,332 that he couldn't even recognize them as human figures. 351 00:19:28,418 --> 00:19:32,003 At that time, the county coroner came out, 352 00:19:32,088 --> 00:19:34,338 started taking evidence from the scene. 353 00:19:34,424 --> 00:19:36,340 It was a long night. 354 00:19:36,384 --> 00:19:38,676 Shatner: In total, investigators recovered the bodies 355 00:19:38,720 --> 00:19:41,053 of 11 women, 356 00:19:41,139 --> 00:19:44,015 choked to death by the man who would become known 357 00:19:44,100 --> 00:19:46,517 as the cleveland strangler. 358 00:19:46,603 --> 00:19:48,644 Sowell committed these murders 359 00:19:48,688 --> 00:19:51,397 over the course of just two years, 360 00:19:51,482 --> 00:19:53,608 all without leaving his hometown 361 00:19:53,693 --> 00:19:56,485 and without raising the suspicions of the community. 362 00:19:56,529 --> 00:19:58,487 Sberna: The neighbors were shocked 363 00:19:58,573 --> 00:20:01,199 that they were living next door to a serial killer. 364 00:20:01,284 --> 00:20:04,535 He seemed like a charming, helpful, quiet, former marine. 365 00:20:04,621 --> 00:20:08,497 He was named honor marine of his boot camp. 366 00:20:08,583 --> 00:20:11,083 Was discharged honorably as a sergeant. 367 00:20:11,169 --> 00:20:13,711 Nobody suspected what he was hiding in his house. 368 00:20:13,796 --> 00:20:17,215 It was very important for him to be seen as a helper. 369 00:20:17,258 --> 00:20:19,217 There were elderly people in the neighborhood 370 00:20:19,260 --> 00:20:21,761 and single women that he would perform household tasks for-- 371 00:20:21,846 --> 00:20:24,347 mow their lawn, fix their sink. 372 00:20:24,390 --> 00:20:27,225 An individual who tends to be psychopathic 373 00:20:27,310 --> 00:20:30,394 can have very strong connections to the community, 374 00:20:30,480 --> 00:20:33,731 and typically is very difficult to track down, 375 00:20:33,816 --> 00:20:36,734 because it's a very opportunistic crime. 376 00:20:36,778 --> 00:20:40,529 A person who takes advantage of a situation on the spot 377 00:20:40,615 --> 00:20:42,448 to do something impulsive. 378 00:20:42,533 --> 00:20:46,077 Shatner: In hindsight, sowell's efforts to portray himself 379 00:20:46,162 --> 00:20:48,246 as an upstanding member of the community 380 00:20:48,331 --> 00:20:51,582 were merely a cover for his evil side. 381 00:20:51,668 --> 00:20:54,585 According to all accounts, he was born into a dark world 382 00:20:54,671 --> 00:20:59,131 of both physical and emotional abuse. 383 00:20:59,217 --> 00:21:01,801 Sberna: Anthony sowell was a product of a broken home. 384 00:21:01,886 --> 00:21:04,262 He was raised by his mother and grandmother 385 00:21:04,347 --> 00:21:06,389 in a large house in east cleveland. 386 00:21:06,474 --> 00:21:08,766 14 people were living in that house. 387 00:21:08,851 --> 00:21:11,769 His mother was physically abusive to the children. 388 00:21:11,854 --> 00:21:14,772 Her favorite targets were anthony sowell's nieces. 389 00:21:14,816 --> 00:21:17,608 She'd strip them naked, tie them to a banister, 390 00:21:17,694 --> 00:21:20,319 then she'd whip them till they were bloody. 391 00:21:20,405 --> 00:21:23,281 From an early age, he associated sex with violence. 392 00:21:23,324 --> 00:21:26,117 As an adult, whipping naked women 393 00:21:26,202 --> 00:21:29,287 is exactly the pattern that he recreated. 394 00:21:29,372 --> 00:21:33,416 So from the earliest time that he could possibly remember, 395 00:21:33,501 --> 00:21:38,129 there is no foundation of any kind of real morality. 396 00:21:38,214 --> 00:21:40,506 His mother didn't particularly feel sorry for him. 397 00:21:40,591 --> 00:21:43,634 Why should he feel sorry for somebody else? 398 00:21:43,720 --> 00:21:46,095 Shatner: In the mid-1980s, 399 00:21:46,180 --> 00:21:49,140 after serving seven years in the marine corps, 400 00:21:49,225 --> 00:21:51,684 sowell returned to his childhood home in cleveland 401 00:21:51,769 --> 00:21:55,604 and almost immediately found himself in trouble with the law. 402 00:21:56,691 --> 00:21:59,317 He had some arrests for drinking, 403 00:21:59,402 --> 00:22:01,360 drug use and breaking and enterings. 404 00:22:01,446 --> 00:22:04,822 Until 1989. Met a woman. 405 00:22:04,907 --> 00:22:07,783 Brought her home, took her upstairs to the third floor 406 00:22:07,869 --> 00:22:09,493 where he said they were gonna party, 407 00:22:09,537 --> 00:22:13,247 and then he raped her violently over a 24-hour period. 408 00:22:13,333 --> 00:22:15,374 -(woman screaming) -she's able to yell and scream, 409 00:22:15,460 --> 00:22:16,917 get the attention of neighbors. 410 00:22:18,421 --> 00:22:21,172 She testifies against him in court. 411 00:22:21,257 --> 00:22:23,007 He goes away for 15 years. 412 00:22:26,429 --> 00:22:29,638 Shatner: When he was released from prison in 2005, 413 00:22:29,724 --> 00:22:32,350 anthony sowell was not only an ex-con 414 00:22:32,435 --> 00:22:34,810 but a registered sex offender. 415 00:22:34,896 --> 00:22:37,688 So, how was he able to avoid suspicion 416 00:22:37,774 --> 00:22:41,192 and commit murder practically in his own backyard, 417 00:22:41,277 --> 00:22:43,986 and not once but 11 times? 418 00:22:45,865 --> 00:22:49,909 Anthony sowell would, uh, charm women with his personality. 419 00:22:49,994 --> 00:22:52,703 There were quite a few people that had drug problems 420 00:22:52,747 --> 00:22:53,954 living in the neighborhood. 421 00:22:54,040 --> 00:22:55,331 Sowell was fairly popular 422 00:22:55,375 --> 00:22:56,874 because he was the man with crack. 423 00:22:56,918 --> 00:23:00,586 Sowell's victims were typically african american females 424 00:23:00,671 --> 00:23:04,006 who had drug problems and were transient. 425 00:23:04,092 --> 00:23:06,884 Sowell was a prototypical malignant narcissist, 426 00:23:06,969 --> 00:23:10,888 extremely self-absorbed to the point of committing murder 427 00:23:10,973 --> 00:23:14,392 to gain whatever he needed to gain. 428 00:23:14,477 --> 00:23:16,894 Many serial killers are very charming, 429 00:23:16,979 --> 00:23:19,271 and that's actually how they get close to their victim, 430 00:23:19,357 --> 00:23:21,065 close enough to actually do the deed. 431 00:23:21,109 --> 00:23:23,859 Psychopaths are known to be able to manipulate 432 00:23:23,945 --> 00:23:26,570 their social prowess, and many of them actually have 433 00:23:26,614 --> 00:23:28,906 very high emotional intelligence. 434 00:23:28,950 --> 00:23:30,282 It's just that they decide when they're gonna 435 00:23:30,368 --> 00:23:31,575 use it and when they're not. 436 00:23:31,619 --> 00:23:34,286 (echoing laughter) 437 00:23:34,372 --> 00:23:35,871 morrison: Their first victim, 438 00:23:35,957 --> 00:23:37,915 we don't know why they choose them. 439 00:23:38,000 --> 00:23:40,626 We don't know if it's because they're available 440 00:23:40,711 --> 00:23:43,629 or because they've had a thought about this. 441 00:23:43,714 --> 00:23:47,716 Out of all the 50 people that may be in that bar, 442 00:23:47,760 --> 00:23:50,428 why do they choose that one person 443 00:23:50,471 --> 00:23:51,971 that they know will go with them? 444 00:23:52,056 --> 00:23:55,307 Why and how do they know 445 00:23:55,393 --> 00:23:58,769 that that individual will be cooperative? 446 00:23:58,813 --> 00:24:01,772 A lot of people say it's because they're available, 447 00:24:01,816 --> 00:24:05,443 they're not gonna be missed, so forth and so on, 448 00:24:05,528 --> 00:24:07,903 but that's too simple an explanation. 449 00:24:09,115 --> 00:24:12,450 Shatner: Today, anthony sowell resides on death row 450 00:24:12,493 --> 00:24:16,078 in chillicothe correctional institution in ohio. 451 00:24:16,164 --> 00:24:19,290 In addition to the 11 murders he was convicted for, 452 00:24:19,375 --> 00:24:21,292 sowell is believed to have carried out 453 00:24:21,377 --> 00:24:22,960 dozens of rapes and assaults 454 00:24:23,004 --> 00:24:25,504 over a period of more than four decades 455 00:24:25,590 --> 00:24:27,631 before he was stopped. 456 00:24:27,675 --> 00:24:30,843 But did anthony sowell become a serial killer 457 00:24:30,928 --> 00:24:34,472 because of the abuse he suffered at the hands of his mother? 458 00:24:34,557 --> 00:24:37,725 Or was he, as some experts believe, 459 00:24:37,810 --> 00:24:41,145 simply born bad? 460 00:24:53,993 --> 00:24:55,868 Shatner: 15-year-old robert piest 461 00:24:55,953 --> 00:24:57,828 is working the afternoon shift 462 00:24:57,914 --> 00:25:00,956 at nisson pharmacy when he overhears a customer 463 00:25:01,042 --> 00:25:04,460 say that he's looking for help with a remodeling job. 464 00:25:04,504 --> 00:25:06,420 It will pay five dollars an hour, 465 00:25:06,506 --> 00:25:08,047 almost double the pay 466 00:25:08,132 --> 00:25:10,466 that piest makes at the pharmacy. 467 00:25:10,510 --> 00:25:12,510 At 9:00 p.M., 468 00:25:12,595 --> 00:25:15,304 robert leaves the store to get started 469 00:25:15,389 --> 00:25:18,766 for his new employer: John wayne gacy. 470 00:25:18,851 --> 00:25:22,645 Van zandt: John wayne gacy ran a construction company. 471 00:25:22,688 --> 00:25:26,357 And he would offer young boys jobs 472 00:25:26,442 --> 00:25:28,025 for his construction company, 473 00:25:28,069 --> 00:25:30,027 and, of course, they wanted to get jobs. 474 00:25:30,112 --> 00:25:32,029 Hickey: He'd say, "you're looking for a job? 475 00:25:32,073 --> 00:25:33,531 Come over to my house." 476 00:25:33,574 --> 00:25:34,782 when the victim got there, 477 00:25:34,867 --> 00:25:36,075 he'd say, "by the way, did I ever show you 478 00:25:36,160 --> 00:25:37,409 the old handcuff trick?" 479 00:25:37,495 --> 00:25:39,870 so, he'd put him in handcuffs 480 00:25:39,956 --> 00:25:41,664 behind his back, and once that happened, 481 00:25:41,749 --> 00:25:42,831 it was over. 482 00:25:42,917 --> 00:25:45,543 -(siren wailing) -shatner: Ten days after 483 00:25:45,586 --> 00:25:47,336 robert piest's family reported him missing, 484 00:25:47,380 --> 00:25:50,548 police arrive at john gacy's home 485 00:25:50,591 --> 00:25:53,551 and uncover a grisly scene. 486 00:25:54,929 --> 00:25:58,013 When law enforcement went into the basement 487 00:25:58,099 --> 00:26:00,057 to investigate, 488 00:26:00,142 --> 00:26:03,519 they found 33 bodies in the basement. 489 00:26:03,604 --> 00:26:06,855 The earth was moving, shaking everywhere 490 00:26:06,941 --> 00:26:09,149 because there were millions of worms in the bodies. 491 00:26:10,403 --> 00:26:12,361 It was one of the most horrific 492 00:26:12,446 --> 00:26:14,363 crime scenes in american history. 493 00:26:14,448 --> 00:26:16,532 Karen kuzma: During the daytime, 494 00:26:16,617 --> 00:26:19,410 he led a life of running a business. 495 00:26:19,495 --> 00:26:23,080 And then at night, during a period of years, 496 00:26:23,124 --> 00:26:26,417 he apparently went out and killed these men. 497 00:26:26,460 --> 00:26:29,545 And how often? Nobody knows. 498 00:26:29,630 --> 00:26:31,755 It's still all a mystery. 499 00:26:32,758 --> 00:26:35,551 Shatner: Between 1972 and 1978, 500 00:26:35,636 --> 00:26:37,386 john wayne gacy 501 00:26:37,471 --> 00:26:41,765 murdered at least 33 teenage boys and young men. 502 00:26:42,852 --> 00:26:44,435 But perhaps even more disturbing 503 00:26:44,520 --> 00:26:47,104 is the fact that often during the murders, 504 00:26:47,189 --> 00:26:49,898 gacy liked to dress up like a circus clown. 505 00:26:49,984 --> 00:26:51,942 It was a character he had created 506 00:26:51,986 --> 00:26:56,071 for fundraising events and children's birthday parties. 507 00:26:56,157 --> 00:26:58,407 Gacy's deceptions were so effective 508 00:26:58,492 --> 00:27:00,034 that he once even had his picture taken 509 00:27:00,119 --> 00:27:01,577 with rosalynn carter, 510 00:27:01,662 --> 00:27:04,705 the first lady of the united states. 511 00:27:05,833 --> 00:27:08,792 John gacy was extremely active in his community. 512 00:27:08,836 --> 00:27:11,420 He would give parties, barbecues, 513 00:27:11,505 --> 00:27:14,465 200 people, for all of his neighbors. 514 00:27:16,469 --> 00:27:18,927 Shatner: But looming beneath gacy's baby-faced grin 515 00:27:18,971 --> 00:27:22,806 and child-friendly persona was a deeply troubled man 516 00:27:22,850 --> 00:27:26,810 who was plagued by a toxic mix of childhood trauma 517 00:27:26,896 --> 00:27:29,063 and mental defects. 518 00:27:29,148 --> 00:27:32,024 My dad was a drinker. 519 00:27:33,027 --> 00:27:35,527 John was always criticized by my father. 520 00:27:35,613 --> 00:27:37,696 He had a learning disability. 521 00:27:37,782 --> 00:27:39,531 He had problems. They had to take him 522 00:27:39,617 --> 00:27:41,992 and put him in a special school. 523 00:27:42,078 --> 00:27:44,161 My father would always say to him, 524 00:27:44,246 --> 00:27:46,622 you know, "you act like a sissy." 525 00:27:46,707 --> 00:27:48,957 you know, "you need to be more of a man." 526 00:27:50,127 --> 00:27:53,796 my mom told me that john had been sexually assaulted 527 00:27:53,881 --> 00:27:58,008 when he was around eight or nine years of age. 528 00:27:58,052 --> 00:28:01,929 John never said a word about his abuse or-or anything. 529 00:28:03,265 --> 00:28:08,727 It's hard for me to fathom that john killed 33 young men. 530 00:28:09,730 --> 00:28:13,732 But my brain tells me he had to have. 531 00:28:13,818 --> 00:28:15,192 (indistinct shouting) 532 00:28:15,236 --> 00:28:17,778 shatner: On may 10, 1994, 533 00:28:17,863 --> 00:28:19,655 an estimated 1,000 people 534 00:28:19,740 --> 00:28:21,907 gathered in the early morning hours 535 00:28:21,992 --> 00:28:25,202 as the man now known as the killer clown 536 00:28:25,287 --> 00:28:28,288 was executed by lethal injection. 537 00:28:29,792 --> 00:28:31,709 But in the wake of his death, 538 00:28:31,752 --> 00:28:35,170 one last question had to be considered. 539 00:28:35,256 --> 00:28:39,049 Could john wayne gacy's dark impulses 540 00:28:39,093 --> 00:28:42,010 have been genetically hardwired inside him? 541 00:28:42,096 --> 00:28:45,848 Kuzma: I think everybody tries to figure out 542 00:28:45,933 --> 00:28:48,559 what type of person is a serial killer. 543 00:28:48,644 --> 00:28:53,188 Is this something that I have to worry about with my children 544 00:28:53,274 --> 00:28:54,898 or my children's children? 545 00:28:54,984 --> 00:28:56,650 Is it there in-in the genes, 546 00:28:56,736 --> 00:29:00,070 or is it something that created a problem? 547 00:29:01,782 --> 00:29:04,575 Shatner: In an effort to find a possible clinical explanation 548 00:29:04,618 --> 00:29:07,077 for gacy's horrific crimes, 549 00:29:07,163 --> 00:29:09,621 forensic psychiatrist dr. Helen morrison, 550 00:29:09,707 --> 00:29:12,082 who had served as an expert witness at the trial, 551 00:29:12,126 --> 00:29:15,085 made a bold request of the killer's family. 552 00:29:16,797 --> 00:29:18,547 Morrison: When gacy was going to be executed, 553 00:29:18,591 --> 00:29:21,759 I called the family and asked them 554 00:29:21,844 --> 00:29:25,095 if we could use the brain for scientific study. 555 00:29:25,139 --> 00:29:27,014 The family agreed. 556 00:29:28,726 --> 00:29:31,059 Kuzma: I was really into wanting to know 557 00:29:31,145 --> 00:29:34,104 was there something genetically wrong with him. 558 00:29:34,190 --> 00:29:35,898 Because, I mean, there's two sisters. 559 00:29:35,983 --> 00:29:38,567 Neither one of us have killed anybody. 560 00:29:38,652 --> 00:29:40,110 And we wanted to get some kind of sense 561 00:29:40,154 --> 00:29:42,029 of what happened, what... 562 00:29:42,114 --> 00:29:44,281 How did he get this other character in him? 563 00:29:46,368 --> 00:29:49,286 Morrison: This is the brain of john wayne gacy. 564 00:29:49,330 --> 00:29:52,247 This is the first brain that we've been able to get 565 00:29:52,333 --> 00:29:57,169 to look for any potential difference or change 566 00:29:57,254 --> 00:30:00,088 that might make a serial killer. 567 00:30:02,092 --> 00:30:04,676 Shatner: But could dissecting 568 00:30:04,762 --> 00:30:06,762 the diseased brain of a serial killer 569 00:30:06,806 --> 00:30:10,599 really offer a scientific explanation 570 00:30:10,684 --> 00:30:12,976 for john wayne gacy's grotesque crimes? 571 00:30:13,062 --> 00:30:16,647 Helen morrison hoped for a satisfying answer. 572 00:30:16,690 --> 00:30:19,858 Morrison: Having looked at the slides of the brain, 573 00:30:19,944 --> 00:30:23,612 seeing absolutely nothing abnormal, 574 00:30:23,697 --> 00:30:26,865 now the thought was it's a dead brain. 575 00:30:26,951 --> 00:30:28,951 What is it going to show us 576 00:30:28,994 --> 00:30:32,162 about what's happening in that live brain? 577 00:30:32,206 --> 00:30:35,040 We needed a living brain. 578 00:30:35,125 --> 00:30:36,959 We needed to be able to study 579 00:30:37,044 --> 00:30:39,294 the living brain of a serial murderer. 580 00:30:40,381 --> 00:30:41,797 Shatner: According to dr. Morrison, 581 00:30:41,882 --> 00:30:43,882 the only way to accurately determine 582 00:30:43,968 --> 00:30:45,884 if a serial killer gene does exist 583 00:30:45,970 --> 00:30:48,804 is by studying a living brain. 584 00:30:48,889 --> 00:30:51,181 Many brain scans from psychopaths 585 00:30:51,267 --> 00:30:55,143 show a loss of activity in the limbic system. 586 00:30:55,229 --> 00:31:00,023 But is this proof that a person is predisposed to kill? 587 00:31:00,109 --> 00:31:02,067 Ho: That loss of activity 588 00:31:02,152 --> 00:31:04,027 in the limbic system really shows 589 00:31:04,113 --> 00:31:06,196 that they have real difficulties 590 00:31:06,282 --> 00:31:09,032 engaging in empathy as an automatic task. 591 00:31:09,076 --> 00:31:12,035 Although we see sort of this evidence 592 00:31:12,121 --> 00:31:14,037 for some hardwiring of psychopaths 593 00:31:14,081 --> 00:31:15,664 in these brain differences, 594 00:31:15,708 --> 00:31:18,876 we also know that nurture plays a huge role. 595 00:31:18,919 --> 00:31:20,294 So, not every single person 596 00:31:20,379 --> 00:31:23,922 who has sort of these psychopathic-looking brains 597 00:31:24,008 --> 00:31:25,382 actually turn out to be psychopaths 598 00:31:25,426 --> 00:31:26,925 in terms of their actions. 599 00:31:27,011 --> 00:31:29,136 They don't necessarily commit a bunch of crimes. 600 00:31:30,222 --> 00:31:31,847 Shatner: But what if one day in the future, 601 00:31:31,891 --> 00:31:33,140 we are able to determine 602 00:31:33,225 --> 00:31:35,809 that a serial killer gene really does exist? 603 00:31:35,895 --> 00:31:40,689 What would we do with someone who has that particular gene 604 00:31:40,733 --> 00:31:44,109 but hasn't yet committed any crimes? 605 00:31:45,279 --> 00:31:47,863 I think the ethical problems with rewiring the brain 606 00:31:47,948 --> 00:31:50,115 is the issue of the choice of the person. 607 00:31:50,200 --> 00:31:52,659 When somebody says that you need to have your brain rewired, 608 00:31:52,745 --> 00:31:54,244 who's making that determination? 609 00:31:54,288 --> 00:31:57,080 And should they be the one to make that call? 610 00:31:57,166 --> 00:32:01,209 Shatner: But even if we do eventually crack the serial killer code 611 00:32:01,295 --> 00:32:04,421 and find out what compels them to kill, 612 00:32:04,506 --> 00:32:08,425 we still may be powerless to stop the bloodshed. 613 00:32:08,469 --> 00:32:12,471 Because how do you stop someone before they commit a crime? 614 00:32:12,556 --> 00:32:17,768 Unless, of course, they want to be caught in the first place. 615 00:32:22,775 --> 00:32:26,068 It seems most serial killers can't resist 616 00:32:26,153 --> 00:32:28,320 playing cat and mouse with the public. 617 00:32:28,405 --> 00:32:30,822 Penning letters to the police. 618 00:32:30,908 --> 00:32:32,824 Leaving clues at the scene of a crime. 619 00:32:32,910 --> 00:32:34,743 Even drawing maps 620 00:32:34,828 --> 00:32:37,871 to where the bodies of their victims can be found. 621 00:32:38,916 --> 00:32:40,999 But why? 622 00:32:41,085 --> 00:32:44,336 Are they trying to prove how smart they are? 623 00:32:45,381 --> 00:32:48,882 Or are they really desperate to get caught? 624 00:32:50,511 --> 00:32:52,928 ♪ ♪ 625 00:32:53,013 --> 00:32:55,806 perhaps driven by extreme narcissism, 626 00:32:55,891 --> 00:32:58,475 grievance or sinister delusions, 627 00:32:58,519 --> 00:33:01,436 some serial killers are compelled to communicate 628 00:33:01,480 --> 00:33:04,481 with the media and law enforcement. 629 00:33:04,525 --> 00:33:07,025 Like the zodiac killer, 630 00:33:07,111 --> 00:33:10,362 who sent a total of 21 letters to local newspapers 631 00:33:10,447 --> 00:33:14,408 that revealed specific details about his crimes. 632 00:33:15,911 --> 00:33:17,703 Or david berkowitz, 633 00:33:17,788 --> 00:33:20,414 who antagonized police with handwritten letters 634 00:33:20,499 --> 00:33:23,000 which he signed, "yours in murder, 635 00:33:23,085 --> 00:33:25,085 mr. Monster." 636 00:33:26,213 --> 00:33:27,754 david berkowitz, 637 00:33:27,840 --> 00:33:30,841 the so-called son of sam killer, 638 00:33:30,884 --> 00:33:35,345 started his murders using a .44 caliber pistol 639 00:33:35,389 --> 00:33:40,017 in new york city at the time the united states was celebrating 640 00:33:40,060 --> 00:33:43,186 its 200-year anniversary. 641 00:33:43,272 --> 00:33:45,063 I mean, this was a guy who said, 642 00:33:45,149 --> 00:33:46,732 "look at me, look at me, look at me. 643 00:33:46,817 --> 00:33:49,735 I'm the monster that you're afraid of." 644 00:33:49,820 --> 00:33:53,155 and he wanted credit for his crimes. 645 00:33:54,158 --> 00:33:55,949 Shatner: But why would a killer 646 00:33:56,035 --> 00:33:58,076 risk being caught by engaging with 647 00:33:58,162 --> 00:34:01,371 and even taunting the police? 648 00:34:01,415 --> 00:34:03,874 Are they looking to become famous? 649 00:34:03,917 --> 00:34:07,836 Or is there another, more twisted reason? 650 00:34:08,839 --> 00:34:10,464 Dennis rader, 651 00:34:10,549 --> 00:34:16,428 a.K.A. The btk serial killer out of wichita, kansas-- 652 00:34:16,513 --> 00:34:22,017 "btk" standing for "bind them, torture them, kill them." 653 00:34:22,102 --> 00:34:26,396 I mean, this arrogance, this feeling of superiority 654 00:34:26,440 --> 00:34:28,940 existed in him to the very end. 655 00:34:29,026 --> 00:34:33,070 And that was the reason he was ultimately caught. 656 00:34:33,155 --> 00:34:35,405 Since she lived down the street from me, 657 00:34:35,491 --> 00:34:38,283 I could watch the coming and going quite easily. 658 00:34:39,536 --> 00:34:42,370 Oh, I manually strangled her when she started to scream. 659 00:34:45,000 --> 00:34:47,250 Dennis rader, he liked to torture victims, 660 00:34:47,294 --> 00:34:49,586 psychologically and physically torture them. 661 00:34:49,630 --> 00:34:51,421 -(heavy breathing) -he would stalk victims. 662 00:34:51,465 --> 00:34:53,590 He'd go to their homes. He'd hide in the homes. 663 00:34:53,634 --> 00:34:55,425 When people came home, he would attack them, 664 00:34:55,511 --> 00:34:58,095 tie them up and then torture them, 665 00:34:58,138 --> 00:35:00,597 sometimes telling them, "I might kill you, I might not kill you. 666 00:35:00,641 --> 00:35:02,808 We'll see." 667 00:35:02,893 --> 00:35:04,434 of course, he was going to kill them. 668 00:35:04,520 --> 00:35:07,104 But he wanted them to suffer. So he's very sadistic that way. 669 00:35:10,150 --> 00:35:12,442 Van zandt: Rader, over a period of 20-plus years, 670 00:35:12,486 --> 00:35:15,403 was believed responsible for about ten murders, 671 00:35:15,447 --> 00:35:19,074 four of which were committed on the very first night. 672 00:35:19,118 --> 00:35:22,327 So here you have someone who committed a mass murder, 673 00:35:22,412 --> 00:35:24,162 and he would've gotten away, 674 00:35:24,248 --> 00:35:26,832 we would've never known who he was, 675 00:35:26,917 --> 00:35:29,584 but he wanted to terrorize that community. 676 00:35:29,670 --> 00:35:31,086 Susan peters: Good evening. 677 00:35:31,171 --> 00:35:33,505 Tonight, now that we know btk is back, 678 00:35:33,590 --> 00:35:35,882 the city is anxious and fearful. 679 00:35:35,968 --> 00:35:37,467 A letter sent to the wichita eagle is believed 680 00:35:37,553 --> 00:35:39,970 to be from the serial killer. 681 00:35:40,013 --> 00:35:42,097 Dennis rader, he stopped killing for a long time. 682 00:35:42,182 --> 00:35:43,974 For several years, he just stopped killing. 683 00:35:44,017 --> 00:35:47,144 And then eventually he realized he was never going to be caught. 684 00:35:47,229 --> 00:35:48,603 At least, in his own thinking. 685 00:35:48,689 --> 00:35:50,313 And so he came back 686 00:35:50,399 --> 00:35:52,983 and he started giving out information to law enforcement. 687 00:35:53,068 --> 00:35:55,485 "well, here's what I'm doing. And I'm still here." 688 00:35:55,571 --> 00:35:58,196 newsman: The serial killer who terrorized wichita for years 689 00:35:58,282 --> 00:36:00,490 causes new fears. 690 00:36:01,618 --> 00:36:04,619 Van zandt: He starts sending mementos from his crimes 691 00:36:04,705 --> 00:36:06,621 to the newspaper, to law enforcement. 692 00:36:07,833 --> 00:36:11,334 He sent a computer disk with some memorabilia on it. 693 00:36:11,420 --> 00:36:14,337 The fbi was able to trace that computer disk 694 00:36:14,423 --> 00:36:16,339 back to the church where he was an elder. 695 00:36:16,425 --> 00:36:20,010 They were able to identify rader as a potential suspect. 696 00:36:20,095 --> 00:36:25,223 And the btk serial killer was eventually caught. 697 00:36:25,309 --> 00:36:27,475 Hickey: It was like he wanted to be caught. 698 00:36:27,561 --> 00:36:30,228 He literally gave them enough information 699 00:36:30,314 --> 00:36:31,521 where they could track him down. 700 00:36:31,607 --> 00:36:33,106 And that's pretty unusual. 701 00:36:33,192 --> 00:36:38,653 Van zandt: He wanted the reputation of btk to go on. 702 00:36:38,697 --> 00:36:42,574 And because of that, because of that need within him, 703 00:36:42,659 --> 00:36:45,035 he was eventually identified, arrested 704 00:36:45,120 --> 00:36:46,995 and sent to jail for life. 705 00:36:47,998 --> 00:36:49,873 Shatner: But did the btk killer 706 00:36:49,958 --> 00:36:53,418 reemerge from the shadows in an effort to become famous 707 00:36:53,503 --> 00:36:54,544 or even infamous? 708 00:36:54,630 --> 00:36:56,922 Or was he really trying to be stopped 709 00:36:57,007 --> 00:37:00,217 and then punished for his crimes? 710 00:37:02,221 --> 00:37:04,429 Hickey: There are some, because of their narcissism, 711 00:37:04,514 --> 00:37:06,389 they want to be recognized for their murders. 712 00:37:06,475 --> 00:37:08,016 They're in it for the game. 713 00:37:08,101 --> 00:37:09,601 They will play this all the way through. 714 00:37:09,686 --> 00:37:11,519 They want movies done about them. 715 00:37:11,605 --> 00:37:13,230 They want books written about them. 716 00:37:13,315 --> 00:37:14,522 They want to be interviewed. 717 00:37:14,608 --> 00:37:17,234 Because that's the narcissism in them. 718 00:37:17,319 --> 00:37:20,445 One serial killing leads to another serial killing 719 00:37:20,530 --> 00:37:22,364 that leads to another serial killing. 720 00:37:22,407 --> 00:37:24,574 Because you have your moment of fame, 721 00:37:24,660 --> 00:37:26,993 you go out like a shooting star. 722 00:37:27,079 --> 00:37:31,414 Newswoman: Collecting sports cards is a big american hobby. 723 00:37:31,500 --> 00:37:34,376 But this may, a new collectible series will go on the market: 724 00:37:34,419 --> 00:37:36,544 Serial killers and mass murderers. 725 00:37:36,630 --> 00:37:38,588 Shatner: There are many who believe that, 726 00:37:38,674 --> 00:37:42,467 for some serial killers, the desire to be famous 727 00:37:42,552 --> 00:37:45,345 is equal to their desire to kill. 728 00:37:45,430 --> 00:37:48,598 But, if so, why? 729 00:37:48,642 --> 00:37:51,643 Perhaps the answer can be found by using the same method 730 00:37:51,728 --> 00:37:56,356 many serial killers now use to stalk their victims: 731 00:37:56,441 --> 00:37:58,441 The internet. 732 00:38:02,447 --> 00:38:04,406 Shatner: The internet. 733 00:38:04,491 --> 00:38:07,450 For most of us, it is a powerful tool that allows us 734 00:38:07,536 --> 00:38:10,203 to get vast amounts of important information 735 00:38:10,289 --> 00:38:12,122 at the click of a button. 736 00:38:12,207 --> 00:38:18,086 But is it also capable of making serial killing easier 737 00:38:18,171 --> 00:38:22,924 and perhaps safer for the killers than ever before? 738 00:38:23,927 --> 00:38:26,136 Not necessarily. 739 00:38:26,179 --> 00:38:29,097 For decades, the infamous golden state killer, 740 00:38:29,182 --> 00:38:32,183 who committed 13 murders in california 741 00:38:32,269 --> 00:38:34,602 between 1974 and 1986 742 00:38:34,646 --> 00:38:38,189 and was given several menacing names in the press, 743 00:38:38,275 --> 00:38:41,359 baffled investigators. 744 00:38:42,571 --> 00:38:46,364 That is, until April 24, 2018, when authorities charged 745 00:38:46,450 --> 00:38:49,868 72-year-old joseph james deangelo 746 00:38:49,953 --> 00:38:51,286 with first-degree murder 747 00:38:51,371 --> 00:38:55,540 and identified him as the golden state killer. 748 00:38:56,543 --> 00:38:59,252 And how did they finally crack the case? 749 00:38:59,338 --> 00:39:03,506 An investigator uploaded crime scene dna to gedmatch, 750 00:39:03,550 --> 00:39:06,092 a genealogy website that allows people 751 00:39:06,178 --> 00:39:09,971 to compare their genetic information on the internet. 752 00:39:10,015 --> 00:39:12,390 Authorities were able to connect information found 753 00:39:12,476 --> 00:39:15,560 on the site to one of deangelo's family members, 754 00:39:15,645 --> 00:39:21,691 which ultimately led the police to deangelo himself. 755 00:39:21,735 --> 00:39:26,279 But does this mean that finding and apprehending serial killers 756 00:39:26,365 --> 00:39:28,031 will soon become so efficient 757 00:39:28,075 --> 00:39:29,532 that we will be able to stop them 758 00:39:29,618 --> 00:39:32,327 before they begin their reign of terror? 759 00:39:32,412 --> 00:39:35,580 It's a compelling notion but unlikely. 760 00:39:35,665 --> 00:39:37,999 According to radford university's 761 00:39:38,085 --> 00:39:40,168 serial killer database, 762 00:39:40,253 --> 00:39:43,380 there have been more than 3,000 confirmed serial killers 763 00:39:43,465 --> 00:39:46,883 in the united states since 1900. 764 00:39:46,968 --> 00:39:48,510 And criminologists believe 765 00:39:48,595 --> 00:39:51,596 that the united states has produced more serial killers 766 00:39:51,681 --> 00:39:54,974 than any other country in the world. 767 00:39:55,060 --> 00:39:57,352 But why? 768 00:39:58,647 --> 00:40:00,897 Hickey: Any country has the capacity 769 00:40:00,982 --> 00:40:03,108 to produce serial killers. 770 00:40:03,193 --> 00:40:05,110 Uh, but there are some environments, 771 00:40:05,195 --> 00:40:06,611 some cultures, like american culture, 772 00:40:06,696 --> 00:40:10,740 where there's a tremendous fascination with serial killers. 773 00:40:10,826 --> 00:40:14,077 Because we all want to be forensics specialists. 774 00:40:14,162 --> 00:40:16,579 We love to watch all these crime movies on television. 775 00:40:16,665 --> 00:40:19,958 And it makes us think about murder in very strange ways. 776 00:40:20,043 --> 00:40:22,252 For most people, it doesn't create killers. 777 00:40:22,337 --> 00:40:25,588 But it does fascinate people. 778 00:40:25,674 --> 00:40:26,965 I do think it's true 779 00:40:27,050 --> 00:40:29,426 that we're overly interested in serial killers 780 00:40:29,511 --> 00:40:32,262 in this culture and that people are fascinated 781 00:40:32,305 --> 00:40:34,431 by these extremes of human emotion. 782 00:40:34,516 --> 00:40:37,392 Whether that contributes to copycat crimes, 783 00:40:37,477 --> 00:40:40,645 that is a question that is-is worth asking. 784 00:40:42,149 --> 00:40:45,650 Shatner: Is it possible that our interest in serial killers 785 00:40:45,735 --> 00:40:49,279 is actually creating new ones? 786 00:40:49,364 --> 00:40:51,948 It's certainly a frightening possibility 787 00:40:52,033 --> 00:40:54,993 but no more disturbing than the enduring mystery 788 00:40:55,078 --> 00:41:01,082 of what causes a person to hunt human beings for sport. 789 00:41:01,168 --> 00:41:02,584 (woman screams) 790 00:41:02,627 --> 00:41:05,378 although we know a lot about serial killers 791 00:41:05,464 --> 00:41:06,504 in the united states, 792 00:41:06,590 --> 00:41:09,507 there's just a lot about motivation 793 00:41:09,593 --> 00:41:12,343 for human behavior that we don't understand, 794 00:41:12,429 --> 00:41:14,137 that we don't know. 795 00:41:14,181 --> 00:41:16,556 And that's what allows these individuals 796 00:41:16,641 --> 00:41:20,852 to stay out there, stalking, identifying and killing. 797 00:41:22,397 --> 00:41:25,106 Hickey: There's not one profile that fits serial killers in general. 798 00:41:25,192 --> 00:41:26,691 But, actually, there are different types 799 00:41:26,776 --> 00:41:30,778 of serial killers, based upon their motivations, 800 00:41:30,864 --> 00:41:33,156 uh, and what drives them to kill. 801 00:41:33,241 --> 00:41:36,159 So, why are humans 802 00:41:36,244 --> 00:41:40,038 so endlessly fascinated by serial killers? 803 00:41:40,123 --> 00:41:43,791 Are we afraid that we might become one of their victims? 804 00:41:45,003 --> 00:41:49,005 Or is it something within us that makes us more afraid 805 00:41:49,090 --> 00:41:52,217 that we could be serial killers ourselves? 806 00:41:52,302 --> 00:41:54,344 Perhaps that's why we find them so frightening, 807 00:41:54,387 --> 00:41:57,222 so-so disturbing and so... 808 00:41:57,307 --> 00:41:59,682 Unexplained. 809 00:41:59,768 --> 00:42:02,477 Captioning provided by a+e networks