1 00:00:05,048 --> 00:00:06,658 [man screaming] 2 00:00:06,789 --> 00:00:10,793 Killer crocodiles that attack without warning. 3 00:00:10,923 --> 00:00:14,971 And great white sharks that are out for blood. 4 00:00:15,102 --> 00:00:16,929 [man screaming] 5 00:00:17,060 --> 00:00:20,759 Since the dawn of civilization, mankind has known 6 00:00:20,890 --> 00:00:23,066 that wild animals are dangerous, 7 00:00:23,197 --> 00:00:26,591 and if provoked, they might attack. 8 00:00:26,722 --> 00:00:29,638 But what about when a deadly predator kills people 9 00:00:29,768 --> 00:00:33,511 not just once but time and time again? 10 00:00:33,642 --> 00:00:36,123 Is it possible that some creatures hunt us down 11 00:00:36,253 --> 00:00:38,299 because they actually have a taste 12 00:00:38,429 --> 00:00:41,084 for human flesh? 13 00:00:41,215 --> 00:00:44,783 Well, that is what we'll try and find out. 14 00:00:44,914 --> 00:00:46,916 ♪ 15 00:01:05,152 --> 00:01:06,849 Thousands of workers have come to this 16 00:01:06,979 --> 00:01:09,069 remote patch of the African savannah 17 00:01:09,199 --> 00:01:12,898 to build a new railroad line for the British Empire. 18 00:01:14,987 --> 00:01:17,207 One night, as the men sleep, 19 00:01:17,338 --> 00:01:19,818 they're awakened by the sound of screaming. 20 00:01:19,949 --> 00:01:21,168 [man screaming] 21 00:01:21,298 --> 00:01:23,387 They quickly realize 22 00:01:23,518 --> 00:01:25,650 that a fearsome lion has crept into the camp 23 00:01:25,781 --> 00:01:28,218 and is attacking a man in his tent. 24 00:01:30,046 --> 00:01:34,268 BRUCE PATTERSON: A big male lion entered the tent of a foreman, 25 00:01:34,398 --> 00:01:38,315 seized him by the head, dragged him out screaming and kicking 26 00:01:38,446 --> 00:01:42,450 into the bush, where, uh, his remains were found the next day. 27 00:01:42,580 --> 00:01:44,539 And there was very little left of him. 28 00:01:45,931 --> 00:01:49,892 But his head was left almost completely intact, 29 00:01:50,022 --> 00:01:53,156 pierced on the sides by the lion's teeth, 30 00:01:53,287 --> 00:01:57,769 his eyes wide open, frozen in a look of horror and fear. 31 00:01:59,902 --> 00:02:01,338 SHATNER: The savage killing of the foreman 32 00:02:01,469 --> 00:02:04,036 marked the beginning of a vicious murder spree 33 00:02:04,167 --> 00:02:08,345 carried out by not one but two vicious lions, 34 00:02:08,476 --> 00:02:10,739 who quickly earned the nickname, 35 00:02:10,869 --> 00:02:14,003 the Tsavo Man-Eaters. 36 00:02:14,134 --> 00:02:17,659 LARISSA DeSANTIS: The two man-eaters were particularly large. 37 00:02:17,789 --> 00:02:21,228 They were upwards of nine feet in length. 38 00:02:21,358 --> 00:02:24,274 We know that these two lions were both males. 39 00:02:24,405 --> 00:02:26,581 And they don't have the large iconic manes 40 00:02:26,711 --> 00:02:28,496 that you would expect of most African lions. 41 00:02:30,498 --> 00:02:32,978 So these lions were smart. They were patient. 42 00:02:33,109 --> 00:02:36,939 They were able to effectively hunt their prey, 43 00:02:37,069 --> 00:02:39,420 and if you have the element of surprise, 44 00:02:39,550 --> 00:02:41,378 humans really can't do anything about that. 45 00:02:43,119 --> 00:02:47,167 There were 3,000 men camped along the rail lines, 46 00:02:47,297 --> 00:02:49,343 and that left the men in tents there 47 00:02:49,473 --> 00:02:51,562 vulnerable to attacks by lions. 48 00:02:53,085 --> 00:02:56,393 The two male lions descended on railway crews, 49 00:02:56,524 --> 00:03:00,223 and began systematically hunting, killing 50 00:03:00,354 --> 00:03:04,749 and consuming railway workers on the edge of this camp. 51 00:03:04,880 --> 00:03:09,145 Of course, the crews became completely dispirited, 52 00:03:09,276 --> 00:03:11,626 and this sparked panic, 53 00:03:11,756 --> 00:03:16,326 this sparked desperation, this sparked mass desertion. 54 00:03:17,719 --> 00:03:20,939 It was headline news back in England at the time, 55 00:03:21,070 --> 00:03:23,812 where in Parliament, delays in the construction 56 00:03:23,942 --> 00:03:26,771 of the railway were discussed as being 57 00:03:26,902 --> 00:03:29,339 attributed to these problematic lions. 58 00:03:30,819 --> 00:03:32,995 SHATNER: News of the savage attacks carried out 59 00:03:33,125 --> 00:03:37,129 by the Tsavo Man-Eaters made headlines around the world. 60 00:03:37,260 --> 00:03:40,481 And many began to wonder why these two lions 61 00:03:40,611 --> 00:03:44,311 were deliberately killing and eating so many people. 62 00:03:45,964 --> 00:03:49,707 Incidents of man eating among lions is very unusual. 63 00:03:51,013 --> 00:03:53,624 Lions typically eat zebra, 64 00:03:53,755 --> 00:03:57,802 wildebeest, buffalo, things that eat grass. 65 00:03:57,933 --> 00:04:02,938 They know their prey very well, but a man-eating lion must study 66 00:04:03,068 --> 00:04:06,507 the habits of humans and learn to... 67 00:04:06,637 --> 00:04:09,510 adjust to them in order to be successful 68 00:04:09,640 --> 00:04:11,294 in their food acquisition. 69 00:04:14,210 --> 00:04:18,083 DeSANTIS: We don't see lions attacking and hunting 70 00:04:18,214 --> 00:04:21,652 and trying to go after people most of the time. 71 00:04:21,783 --> 00:04:24,525 But these two lions in particular 72 00:04:24,655 --> 00:04:27,832 were sort of committed to the practice of man eating. 73 00:04:27,963 --> 00:04:30,270 -[lion growling] -It's possible 74 00:04:30,400 --> 00:04:32,924 that then we became a preferred food. 75 00:04:35,100 --> 00:04:39,279 SHATNER: On December 9, 1898, nine months after their reign 76 00:04:39,409 --> 00:04:43,500 of terror began, the first Tsavo lion was shot and killed. 77 00:04:45,850 --> 00:04:48,853 20 days later, the second lion met the same fate. 78 00:04:50,638 --> 00:04:52,901 But by then, the pair of man-eaters had 79 00:04:53,031 --> 00:04:54,772 already killed and eaten 80 00:04:54,903 --> 00:04:59,560 an astonishing 135 people. 81 00:04:59,690 --> 00:05:01,692 CORBIN MAXEY: There's no evidence 82 00:05:01,823 --> 00:05:04,782 that shows that the Tsavo Man-Eaters were starving. 83 00:05:04,913 --> 00:05:07,611 There was actually plentiful prey in the area-- 84 00:05:07,742 --> 00:05:09,657 wildebeests, 85 00:05:09,787 --> 00:05:13,617 zebra, gazelles, hippos. 86 00:05:13,748 --> 00:05:16,968 And yet they chose to eat humans. 87 00:05:17,099 --> 00:05:19,493 It is a very unusual situation. 88 00:05:22,017 --> 00:05:23,975 SHATNER: The Tsavo Man-Eaters are perhaps the most 89 00:05:24,106 --> 00:05:26,761 infamous lions in history. 90 00:05:26,891 --> 00:05:29,894 Their seemingly insatiable desire to kill humans 91 00:05:30,025 --> 00:05:32,810 taps into our most primal fears, 92 00:05:32,941 --> 00:05:36,118 and is a reminder that our ancient ancestors lived 93 00:05:36,248 --> 00:05:40,122 in constant fear of being attacked by dangerous predators. 94 00:05:41,732 --> 00:05:44,082 NATALIA REAGAN: Early on, our ancestors were often 95 00:05:44,213 --> 00:05:47,608 preyed upon because we don't have giant 96 00:05:47,738 --> 00:05:50,785 claws and armor and things of that sort. 97 00:05:50,915 --> 00:05:53,875 We've got this big brain that can help us hopefully 98 00:05:54,005 --> 00:05:56,225 outthink and outcompete these predators, 99 00:05:56,356 --> 00:05:59,837 but given the right circumstances, 100 00:05:59,968 --> 00:06:02,057 we're very vulnerable. 101 00:06:03,232 --> 00:06:05,234 We humans like to think that we're 102 00:06:05,365 --> 00:06:07,584 at the top of the food chain. 103 00:06:07,715 --> 00:06:09,804 But thousands and thousands of years ago, 104 00:06:09,934 --> 00:06:13,764 we were eaten alive by almost any and everything. 105 00:06:13,895 --> 00:06:16,419 And what is very interesting about that is 106 00:06:16,550 --> 00:06:19,814 scientists have actually shown infants 107 00:06:19,944 --> 00:06:23,992 images of snakes, images of spiders, 108 00:06:24,122 --> 00:06:26,821 and infants who have never seen these animals before 109 00:06:26,951 --> 00:06:29,171 will freak out, they'll show a fear response. 110 00:06:29,301 --> 00:06:31,260 They'll cry. That's an alarm call. 111 00:06:31,391 --> 00:06:33,218 That is innate. It's in our DNA. 112 00:06:35,699 --> 00:06:37,309 SHATNER: More than a hundred years after the attacks 113 00:06:37,440 --> 00:06:39,616 by the Tsavo Man-Eaters, 114 00:06:39,747 --> 00:06:42,532 the mystery of what made these two lions target people 115 00:06:42,663 --> 00:06:45,579 lingers in the public consciousness. 116 00:06:45,709 --> 00:06:48,669 So much so that their skulls are 117 00:06:48,799 --> 00:06:51,498 on display at the Field Museum of Natural History 118 00:06:51,628 --> 00:06:54,283 in Chicago, Illinois, 119 00:06:54,414 --> 00:06:56,807 where scientists continue to study them 120 00:06:56,938 --> 00:07:01,377 in search of clues as to why they became man-eaters. 121 00:07:01,508 --> 00:07:04,119 And according to the latest research, 122 00:07:04,249 --> 00:07:06,513 it appears the lions' murderous rampage 123 00:07:06,643 --> 00:07:09,907 may have ironically had something to do 124 00:07:10,038 --> 00:07:11,692 with their teeth. 125 00:07:13,433 --> 00:07:16,305 PATTERSON: The teeth of lions, they're used to crack bones 126 00:07:16,436 --> 00:07:19,221 and get the marrow that's inside them, 127 00:07:19,351 --> 00:07:22,964 and it's quite typical in lion dentitions to find 128 00:07:23,094 --> 00:07:26,881 missing or broken teeth associated with this heavy use. 129 00:07:28,360 --> 00:07:31,668 It's not typical, however, to find dental disease. 130 00:07:31,799 --> 00:07:34,497 Yet, in the case of the Tsavo lion, 131 00:07:34,628 --> 00:07:37,848 we had a broken lower right canine 132 00:07:37,979 --> 00:07:42,897 whose pulp cavity was exposed about a third of an inch across. 133 00:07:43,027 --> 00:07:46,901 That would have been excruciatingly painful. 134 00:07:47,031 --> 00:07:50,600 This is a cast of the skull of the first man-eater, 135 00:07:50,731 --> 00:07:55,083 and this is the broken lower right canine tooth 136 00:07:55,213 --> 00:07:58,739 that ultimately became diseased and impacted. 137 00:08:00,262 --> 00:08:02,917 This lion would have been unable to administer the killing bite 138 00:08:03,047 --> 00:08:07,487 that lions use to take down large, struggling prey. 139 00:08:07,617 --> 00:08:10,925 So we think that the arrival of the railway workers in camp 140 00:08:11,055 --> 00:08:13,971 happened at exactly the right time 141 00:08:14,102 --> 00:08:16,626 for this individual lion, that, 142 00:08:16,757 --> 00:08:19,934 as it had become incapable 143 00:08:20,064 --> 00:08:23,503 of taking down buffalo, it looked on people 144 00:08:23,633 --> 00:08:26,897 with a new eye and a new appetite. 145 00:08:28,812 --> 00:08:30,640 SHATNER: Did a debilitating toothache turn the first 146 00:08:30,771 --> 00:08:32,947 Tsavo lion into a man-eater 147 00:08:33,077 --> 00:08:37,038 because humans are softer prey that were easier to bite? 148 00:08:37,168 --> 00:08:39,780 It's a compelling theory. 149 00:08:39,910 --> 00:08:42,304 But scientists have verified that the other 150 00:08:42,434 --> 00:08:45,263 Tsavo lion's teeth were perfectly healthy. 151 00:08:45,394 --> 00:08:48,702 So why did it join in the killing? 152 00:08:48,832 --> 00:08:52,532 MAXEY: One of the Tsavo lions had extreme dental issues. 153 00:08:52,662 --> 00:08:56,274 The second lion did not have those dental injuries. 154 00:08:56,405 --> 00:08:58,755 So why would this lion go towards humans? 155 00:08:58,886 --> 00:09:00,365 It's because it learned from the other lion 156 00:09:00,496 --> 00:09:04,239 that humans are an easy target. 157 00:09:04,369 --> 00:09:06,894 Constantly, predators are-are learning 158 00:09:07,024 --> 00:09:08,373 from success, from failures. 159 00:09:08,504 --> 00:09:09,897 They're learning from others. 160 00:09:10,027 --> 00:09:11,289 They're learning how to take down prey. 161 00:09:11,420 --> 00:09:13,553 They're learning how to hunt. 162 00:09:13,683 --> 00:09:16,077 And so it's not surprising to see 163 00:09:16,207 --> 00:09:19,689 that the second man-eater started eating people as well. 164 00:09:19,820 --> 00:09:22,605 We probably were, um, an easy meal. 165 00:09:25,303 --> 00:09:28,437 We oftentimes will see an animal that has killed multiple humans 166 00:09:28,568 --> 00:09:31,005 and think, "Oh, wow, they're gunning for us." 167 00:09:31,135 --> 00:09:33,616 But we have to really remember and reframe it 168 00:09:33,747 --> 00:09:37,011 as these are animals that are doing just what they have to do 169 00:09:37,141 --> 00:09:40,580 to make it into the next week, the next year. 170 00:09:40,710 --> 00:09:43,408 Just like we would. It's kind of eat or be eaten. 171 00:09:44,627 --> 00:09:48,805 The story of the Tsavo man-eating lions 172 00:09:48,936 --> 00:09:51,939 is proof positive that some animals enjoy 173 00:09:52,069 --> 00:09:54,855 having humans on the menu, so to speak. 174 00:09:54,985 --> 00:09:58,032 But there's another creature who reportedly killed 175 00:09:58,162 --> 00:10:02,514 over a hundred people that is even more unsettling. 176 00:10:04,081 --> 00:10:06,649 A fearsome predator that roamed the French countryside 177 00:10:06,780 --> 00:10:09,957 and was known as the Beast of Gévaudan. 178 00:10:18,574 --> 00:10:21,403 SHATNER: On a warm summer morning in this farming region 179 00:10:21,533 --> 00:10:23,971 of south central France, 180 00:10:24,101 --> 00:10:26,756 14-year-old Jeanne Boulet leaves home 181 00:10:26,887 --> 00:10:28,628 to tend her flock of sheep. 182 00:10:31,065 --> 00:10:33,502 By sundown, she's dead. 183 00:10:35,591 --> 00:10:38,594 Murdered by a mysterious animal 184 00:10:38,725 --> 00:10:41,205 that reportedly mutilated her body, 185 00:10:41,336 --> 00:10:43,468 severed her head 186 00:10:43,599 --> 00:10:45,688 and ripped out her heart. 187 00:10:47,124 --> 00:10:50,214 Jeanne Boulet was the first documented casualty 188 00:10:50,345 --> 00:10:53,217 of a monster that many people believed 189 00:10:53,348 --> 00:10:55,567 was roaming around south central France 190 00:10:55,698 --> 00:10:59,484 beginning in the late spring of 1764. 191 00:10:59,615 --> 00:11:02,923 By the end of September, another ten or so casualties, 192 00:11:03,053 --> 00:11:04,838 however, had appeared. 193 00:11:04,968 --> 00:11:07,188 GERHARD: Le Bête du Gévaudan, 194 00:11:07,318 --> 00:11:09,364 also known as the Beast of Gévaudan, 195 00:11:09,494 --> 00:11:11,453 was a mysterious wolflike creature 196 00:11:11,583 --> 00:11:14,456 which mounted a murderous rampage 197 00:11:14,586 --> 00:11:17,633 over a three-year span within the 18th century. 198 00:11:19,156 --> 00:11:21,681 The beast frequently attacked women and young children 199 00:11:21,811 --> 00:11:25,075 who had been assigned the task of herding sheep and cattle 200 00:11:25,206 --> 00:11:26,947 in remote mountainous meadows. 201 00:11:27,077 --> 00:11:28,644 And in many cases, 202 00:11:28,775 --> 00:11:30,428 they were rather defenseless and vulnerable. 203 00:11:30,559 --> 00:11:32,213 [growling] 204 00:11:32,343 --> 00:11:35,999 SHATNER: Between 1764 and 1767, 205 00:11:36,130 --> 00:11:38,088 the so-called Beast of Gévaudan 206 00:11:38,219 --> 00:11:40,134 terrorized the Margeride mountain region 207 00:11:40,264 --> 00:11:42,092 of southern France. 208 00:11:43,659 --> 00:11:46,053 According to historical records, 209 00:11:46,183 --> 00:11:50,100 more than 100 people were brutally killed. 210 00:11:51,972 --> 00:11:53,713 SMITH: The Beast of the Gévaudan's ravages 211 00:11:53,843 --> 00:11:56,411 did incite panic among the people. 212 00:11:56,541 --> 00:11:59,414 And we know this largely from evidence from journalists 213 00:11:59,544 --> 00:12:01,111 and others who were commenting about 214 00:12:01,242 --> 00:12:03,113 the activities of the beast. 215 00:12:03,244 --> 00:12:07,117 By early 1765, newspapers all across France 216 00:12:07,248 --> 00:12:09,859 and, indeed, all across Europe and in America 217 00:12:09,990 --> 00:12:12,819 were reporting on the Beast of the Gévaudan-- 218 00:12:12,949 --> 00:12:15,691 his exploits, the various hunts for the beast, 219 00:12:15,822 --> 00:12:17,954 the various mysteries surrounding it-- 220 00:12:18,085 --> 00:12:21,305 which is why so many people were transfixed by this story. 221 00:12:23,003 --> 00:12:25,266 GERHARD: There were many attempts to hunt down the beast. 222 00:12:25,396 --> 00:12:28,269 People in the Gévaudan region typically did not own guns, 223 00:12:28,399 --> 00:12:30,401 but there were posses formed. 224 00:12:30,532 --> 00:12:32,447 Groups that would go out in the woods and literally 225 00:12:32,577 --> 00:12:35,319 beat the brush with pitchforks, sticks, 226 00:12:35,450 --> 00:12:37,974 knives, whatever types of weapons were available. 227 00:12:38,105 --> 00:12:40,760 However, the hunt for the beast really ramped up 228 00:12:40,890 --> 00:12:43,980 when King Louis XV became involved. 229 00:12:44,111 --> 00:12:47,636 He brought in a professional wolf hunter named d'Enneval, 230 00:12:47,767 --> 00:12:50,160 who allegedly killed over a hundred wolves, 231 00:12:50,291 --> 00:12:52,162 but the killing still did not end. 232 00:12:53,990 --> 00:12:57,037 SHATNER: According to multiple reports, the beast resembled a wolf 233 00:12:57,167 --> 00:13:00,649 but was unlike any canine that was known to man. 234 00:13:02,477 --> 00:13:05,393 GERHARD: Many of the local villagers noted as saying it resembles 235 00:13:05,523 --> 00:13:09,005 a very large wolf, but the Beast of Gévaudan attacked 236 00:13:09,136 --> 00:13:13,096 and killed people in a nature that was very unlike a wolf. 237 00:13:13,227 --> 00:13:14,619 [growling] 238 00:13:14,750 --> 00:13:16,404 The nature of these attacks, 239 00:13:16,534 --> 00:13:17,753 -the way that this thing -[wolf howling] 240 00:13:17,884 --> 00:13:20,408 was decapitating people, 241 00:13:20,538 --> 00:13:22,714 disemboweling people, 242 00:13:22,845 --> 00:13:24,151 this was something completely different. 243 00:13:25,935 --> 00:13:29,069 SMITH: One of the reasons this becomes such a magnetic story 244 00:13:29,199 --> 00:13:31,985 is because there were always new strange stories 245 00:13:32,115 --> 00:13:33,725 about the beast's behavior, 246 00:13:33,856 --> 00:13:35,989 its appearance, its strange abilities. 247 00:13:37,338 --> 00:13:40,776 The peasants on the ground were describing it 248 00:13:40,907 --> 00:13:45,041 as having the ability to walk on its hind legs, 249 00:13:45,172 --> 00:13:50,220 glowing eyes, and having five or six talons rather than four. 250 00:13:51,743 --> 00:13:54,790 They didn't use the word "werewolf." 251 00:13:54,921 --> 00:13:58,141 They used descriptions of this creature that made it easy 252 00:13:58,272 --> 00:14:00,578 to believe that this could indeed be a werewolf. 253 00:14:02,798 --> 00:14:05,192 GERHARD: The Beast of Gévaudan is one of France's 254 00:14:05,322 --> 00:14:07,803 most enduring and popular mysteries. 255 00:14:07,934 --> 00:14:09,370 There are museums. 256 00:14:10,501 --> 00:14:12,416 There are statues. 257 00:14:12,547 --> 00:14:14,854 There are songs. There are stories. 258 00:14:14,984 --> 00:14:18,074 This was like a real-life nightmare. 259 00:14:18,205 --> 00:14:20,033 To this day, the Beast of Gévaudan 260 00:14:20,163 --> 00:14:22,687 is celebrated in French culture, 261 00:14:22,818 --> 00:14:24,733 and it really has a profound effect on people. 262 00:14:26,387 --> 00:14:29,259 SHATNER: The descriptions of the beast were so terrifying 263 00:14:29,390 --> 00:14:31,740 that it's not surprising locals thought 264 00:14:31,871 --> 00:14:36,092 it was some kind of supernatural monster. 265 00:14:36,223 --> 00:14:39,052 But there were scientists at the time 266 00:14:39,182 --> 00:14:42,011 who proposed a different theory. 267 00:14:42,142 --> 00:14:44,666 SMITH: Among the many hypotheses that emerged 268 00:14:44,796 --> 00:14:47,103 was that the beast might be an African hyena. 269 00:14:47,234 --> 00:14:51,281 The hyena was this very mysterious creature 270 00:14:51,412 --> 00:14:54,197 that lots of naturalists and others wrote about 271 00:14:54,328 --> 00:14:57,244 in the 1750s and '60s. 272 00:14:57,374 --> 00:14:59,681 GERHARD: The general description of 273 00:14:59,811 --> 00:15:02,640 the Beast of Gévaudan was a wolflike creature 274 00:15:02,771 --> 00:15:06,688 but bigger, the size of a mule or a calf, perhaps. 275 00:15:06,818 --> 00:15:09,212 It had a large head. 276 00:15:09,343 --> 00:15:12,650 It had a long muzzle, lined with razor-sharp teeth. 277 00:15:12,781 --> 00:15:15,088 Pointy ears. 278 00:15:15,218 --> 00:15:17,960 A long tail with a tuft of fur on the end. 279 00:15:19,483 --> 00:15:21,485 The coat of fur was typically described 280 00:15:21,616 --> 00:15:25,533 as a reddish brown or gray, with a black stripe 281 00:15:25,663 --> 00:15:28,144 running down the back, and a white breast. 282 00:15:29,450 --> 00:15:31,147 These are hyena-like characteristics. 283 00:15:34,281 --> 00:15:36,805 MAXEY: Back in the day, kings and even people of status 284 00:15:36,936 --> 00:15:39,503 had exotic pets, they had exotic zoos. 285 00:15:39,634 --> 00:15:41,941 Who's to say that a hyena didn't escape? 286 00:15:42,071 --> 00:15:44,769 If you take a look at the victims, 287 00:15:44,900 --> 00:15:49,035 their chest cavities torn apart, their limbs missing, 288 00:15:49,165 --> 00:15:51,515 their heads decapitated. 289 00:15:51,646 --> 00:15:54,823 This all resembles attacks of a hyena. 290 00:15:56,956 --> 00:15:59,871 SHATNER: Could the Beast of Gévaudan have been an escaped African hyena? 291 00:16:00,002 --> 00:16:02,048 Perhaps. 292 00:16:02,178 --> 00:16:04,311 But some researchers have suggested 293 00:16:04,441 --> 00:16:07,183 a less exotic possibility. 294 00:16:07,314 --> 00:16:09,446 GERHARD: There are a number of arguments for 295 00:16:09,577 --> 00:16:12,319 the Beast of Gévaudan actually being a killer wolf. 296 00:16:14,103 --> 00:16:17,759 Wolves typically are very timid animals around humans. 297 00:16:17,889 --> 00:16:20,370 But there have been some 9,000 wolf attacks 298 00:16:20,501 --> 00:16:23,112 in France over the centuries. 299 00:16:23,243 --> 00:16:26,463 And there was also a theory that the beast attacks may have 300 00:16:26,594 --> 00:16:29,989 been perpetrated by a wolf that had come down with rabies. 301 00:16:31,512 --> 00:16:33,949 SHATNER: According to experts, rabid wolves often lose 302 00:16:34,080 --> 00:16:37,997 their innate fear of humans, and walk with a strange gait. 303 00:16:39,520 --> 00:16:41,652 Which are behaviors described in the eyewitness accounts 304 00:16:41,783 --> 00:16:43,698 of the Beast of Gévaudan. 305 00:16:46,048 --> 00:16:49,443 But while the rabid wolf theory may make sense, 306 00:16:49,573 --> 00:16:51,706 the best clue scientists have today 307 00:16:51,836 --> 00:16:53,969 about the beast's identity 308 00:16:54,100 --> 00:16:57,233 was obtained on the day it was reportedly killed. 309 00:16:58,756 --> 00:17:00,584 The beast's reign of terror ended 310 00:17:00,715 --> 00:17:04,414 on June 19, 1767, 311 00:17:04,545 --> 00:17:06,808 when a local hunter named Jean Chastel 312 00:17:06,938 --> 00:17:09,071 felled the monster 313 00:17:09,202 --> 00:17:11,073 with one shot of a silver bullet. 314 00:17:15,773 --> 00:17:18,167 After Chastel shot this strange creature, 315 00:17:18,298 --> 00:17:20,474 the killings actually stopped, so everyone was 316 00:17:20,604 --> 00:17:22,911 in agreement that-that he had actually killed the beast. 317 00:17:24,826 --> 00:17:27,959 A surgeon who conducted an autopsy determined 318 00:17:28,090 --> 00:17:31,267 that while it resembled a wolf, it was not a wolf. 319 00:17:31,398 --> 00:17:33,835 And in fact, it possessed 40 teeth 320 00:17:33,965 --> 00:17:36,533 compared to a wolf's 42 teeth, 321 00:17:36,664 --> 00:17:38,883 which is quite strange. 322 00:17:41,147 --> 00:17:43,497 The beast's remains were paraded around 323 00:17:43,627 --> 00:17:46,108 the Gévaudan region for weeks thereafter. 324 00:17:46,239 --> 00:17:48,110 And by the time the carcass was taken 325 00:17:48,241 --> 00:17:50,939 to the Palace of Versailles and presented 326 00:17:51,070 --> 00:17:53,942 to King Louis XV, it was so smelly 327 00:17:54,073 --> 00:17:55,813 that he immediately demanded 328 00:17:55,944 --> 00:17:57,467 that it be removed from the palace. 329 00:17:57,598 --> 00:17:59,469 And to this day, nobody knows what happened 330 00:17:59,600 --> 00:18:01,123 to those remains-- they vanished. 331 00:18:02,733 --> 00:18:04,909 Ultimately, while some people feel 332 00:18:05,040 --> 00:18:08,870 the Beast of Gévaudan may have been a supernatural phenomenon, 333 00:18:09,000 --> 00:18:13,222 the deaths, the occurrences documented, they're real. 334 00:18:13,353 --> 00:18:17,487 And the Beast of Gévaudan remains a great mystery. 335 00:18:19,272 --> 00:18:22,797 Was the Beast of Gévaudan a common wolf 336 00:18:22,927 --> 00:18:24,929 or something even more terrifying? 337 00:18:26,279 --> 00:18:29,064 Either way, this deadly creature drove fear 338 00:18:29,195 --> 00:18:31,501 into the hearts of people all over France. 339 00:18:31,632 --> 00:18:35,244 And that was also the case more than a century later, 340 00:18:35,375 --> 00:18:39,030 in the United States, when a wave of panic was caused 341 00:18:39,161 --> 00:18:42,947 by the attacks of a great white shark. 342 00:18:51,826 --> 00:18:54,002 SHATNER: 25-year-old Charles Vansant is swimming 343 00:18:54,133 --> 00:18:56,178 in the brisk Atlantic waters 344 00:18:56,309 --> 00:18:58,180 off the coast of this resort community... 345 00:18:59,660 --> 00:19:02,271 ...when he's suddenly attacked by a massive shark. 346 00:19:02,402 --> 00:19:05,187 [screaming] 347 00:19:05,318 --> 00:19:07,798 Lifeguards pull Vansant from the water 348 00:19:07,929 --> 00:19:11,062 and see that his left thigh has been stripped of its flesh 349 00:19:11,193 --> 00:19:14,283 by a massive set of razor-sharp jaws. 350 00:19:15,545 --> 00:19:17,068 CAPUZZO: The story is that they had to 351 00:19:17,199 --> 00:19:18,983 almost wrestle him away from the shark. 352 00:19:19,114 --> 00:19:21,638 As they pulled him ashore with the shark following him still, 353 00:19:21,769 --> 00:19:23,423 his father, who was a doctor, operated on him 354 00:19:23,553 --> 00:19:25,076 or tried to save his life, 355 00:19:25,207 --> 00:19:27,122 but he died of... of a flesh wound to... 356 00:19:27,253 --> 00:19:29,646 a bite on his... his thigh, actually, 357 00:19:29,777 --> 00:19:31,866 and, uh, loss of blood. 358 00:19:33,868 --> 00:19:36,044 SHATNER: The gory death of Charles Vansant was 359 00:19:36,175 --> 00:19:39,917 the first recorded fatal shark attack in U.S. history. 360 00:19:41,092 --> 00:19:44,052 And then on July 6th, 361 00:19:44,183 --> 00:19:47,447 a mere five days after Vansant was killed, 362 00:19:47,577 --> 00:19:51,102 there was another attack along the Jersey Shore. 363 00:19:51,233 --> 00:19:55,150 Charles Bruder, who was a 27-year-old 364 00:19:55,281 --> 00:19:56,978 Swiss native who was in the army, 365 00:19:57,108 --> 00:19:58,936 went for a swim, 366 00:19:59,067 --> 00:20:01,330 and 1,200 feet out, in the middle of the day, 367 00:20:01,461 --> 00:20:03,724 was attacked and bitten 368 00:20:03,854 --> 00:20:05,204 by what appeared to be about an eight- 369 00:20:05,334 --> 00:20:07,336 or nine-foot great white shark 370 00:20:07,467 --> 00:20:10,078 that severed his legs and a part of his torso. 371 00:20:10,209 --> 00:20:13,212 By the time the lifeguards got out there, 372 00:20:13,342 --> 00:20:15,083 there was hardly anything to lift into the boat. 373 00:20:16,954 --> 00:20:20,784 SHATNER: This second deadly attack was widely reported in newspapers 374 00:20:20,915 --> 00:20:24,832 across the country, and set off a nationwide panic. 375 00:20:24,962 --> 00:20:28,139 Many people believed it was no longer safe 376 00:20:28,270 --> 00:20:30,968 to swim in the ocean off the coast of New Jersey. 377 00:20:31,099 --> 00:20:34,624 And several beaches were closed by the authorities. 378 00:20:34,755 --> 00:20:37,497 The public reaction was hysterical. 379 00:20:37,627 --> 00:20:40,108 There were calls all the way up to President Wilson. 380 00:20:40,239 --> 00:20:42,763 Woodrow Wilson had a cabinet meeting 381 00:20:42,893 --> 00:20:45,853 and talked to the early men who founded the Coast Guard 382 00:20:45,983 --> 00:20:48,159 about eradicating all the sharks on the East Coast. 383 00:20:48,290 --> 00:20:51,380 Bounties were given by towns and cities, 384 00:20:51,511 --> 00:20:55,863 and anybody that could kill any shark could get $100. 385 00:20:55,993 --> 00:20:59,867 You had fishermen going out, catching and killing sharks. 386 00:20:59,997 --> 00:21:02,435 And it wasn't just in New Jersey. 387 00:21:02,565 --> 00:21:05,002 It was all up and down the Eastern Seaboard 388 00:21:05,133 --> 00:21:09,006 and even infiltrated into the coastal states, 389 00:21:09,137 --> 00:21:11,531 Texas, Louisiana, 390 00:21:11,661 --> 00:21:15,448 and as far as the Pacific coast of North America. 391 00:21:16,971 --> 00:21:18,929 SHATNER: Less than one week after Charles Bruder 392 00:21:19,060 --> 00:21:21,149 was killed, on July 12th, 393 00:21:21,280 --> 00:21:25,632 three more people were attacked by what many witnesses claimed 394 00:21:25,762 --> 00:21:28,374 was an eight- or nine-foot shark. 395 00:21:28,504 --> 00:21:31,725 Curiously, all five of these incidents took place 396 00:21:31,855 --> 00:21:35,381 along a 50-mile stretch off the coast of New Jersey. 397 00:21:35,511 --> 00:21:37,992 Because of their proximity and the similarities 398 00:21:38,122 --> 00:21:40,473 between eyewitness accounts, 399 00:21:40,603 --> 00:21:43,563 many began to wonder whether the horrific attacks 400 00:21:43,693 --> 00:21:48,742 could have been the work of a single killer shark. 401 00:21:48,872 --> 00:21:51,353 CAPUZZO: The New Jersey attacks are so strange, 402 00:21:51,484 --> 00:21:54,269 'cause sharks don't kill people with any kind of regularity 403 00:21:54,400 --> 00:21:56,140 and nobody witnesses it 404 00:21:56,271 --> 00:21:58,099 with any kind of regularity when it happens. 405 00:21:58,229 --> 00:22:00,188 But the concept of a rogue shark 406 00:22:00,319 --> 00:22:02,103 that kills or injuries one person 407 00:22:02,233 --> 00:22:04,497 and that gets a taste for human flesh 408 00:22:04,627 --> 00:22:07,195 and goes after another like a serial killer, 409 00:22:07,326 --> 00:22:08,762 the Jersey Shore may be the best evidence 410 00:22:08,892 --> 00:22:10,590 we have that that's ever happened. 411 00:22:10,720 --> 00:22:13,244 SHATNER: On July 14, 1916, 412 00:22:13,375 --> 00:22:16,247 two weeks after the first fatal attack, 413 00:22:16,378 --> 00:22:19,250 a taxidermist named Michael Schleisser caught 414 00:22:19,381 --> 00:22:23,429 a seven-and-a-half-foot, 325-pound great white shark 415 00:22:23,559 --> 00:22:26,954 off the northern end of the Jersey Shore. 416 00:22:28,521 --> 00:22:30,914 After cutting open its stomach, authorities found what appeared 417 00:22:31,045 --> 00:22:34,178 to be partially digested human remains. 418 00:22:35,876 --> 00:22:39,793 There are many who believe that this great white shark was 419 00:22:39,923 --> 00:22:42,970 responsible for all five attacks that took place, 420 00:22:43,100 --> 00:22:45,581 four of which were fatal. 421 00:22:45,712 --> 00:22:48,628 Fatal shark attacks on humans are seldom 422 00:22:48,758 --> 00:22:50,760 predatory for feeding. 423 00:22:50,891 --> 00:22:53,807 So what was going on that would cause a series 424 00:22:53,937 --> 00:22:57,898 of five attacks over a 11-day period, 425 00:22:58,028 --> 00:22:59,595 what was behind all of this? 426 00:23:00,770 --> 00:23:02,642 People panicked. 427 00:23:02,772 --> 00:23:05,558 No one wanted to go in the ocean. 428 00:23:05,688 --> 00:23:09,605 So its effect on individuals, citizens, was enormous. 429 00:23:10,911 --> 00:23:13,392 And it was something that, to this day, 430 00:23:13,522 --> 00:23:15,872 still has an effect on us. 431 00:23:17,570 --> 00:23:20,137 SHATNER: The 1916 Jersey Shore attacks helped to popularize 432 00:23:20,268 --> 00:23:23,837 the notion of sharks as deadly man-eaters. 433 00:23:25,229 --> 00:23:27,144 More than 50 years later, the killings inspired 434 00:23:27,275 --> 00:23:30,321 the 1974 novel Jaws by Peter Benchley, 435 00:23:30,452 --> 00:23:32,976 which became the basis of the blockbuster film 436 00:23:33,107 --> 00:23:35,544 made by Steven Spielberg that terrorized 437 00:23:35,675 --> 00:23:38,155 generations of beachgoers. 438 00:23:39,766 --> 00:23:42,638 But despite their bad reputation, 439 00:23:42,769 --> 00:23:46,599 the truth is that sharks rarely kill humans. 440 00:23:46,729 --> 00:23:48,992 According to statistics gathered 441 00:23:49,123 --> 00:23:51,038 by the International Shark Attack File, 442 00:23:51,168 --> 00:23:54,781 on average, there are only five fatal shark attacks 443 00:23:54,911 --> 00:23:56,739 worldwide per year. 444 00:23:58,001 --> 00:24:00,351 So why does the belief persist that 445 00:24:00,482 --> 00:24:03,572 some sharks are a serious threat to humans? 446 00:24:06,009 --> 00:24:08,621 Over the years, sharks, especially white sharks, 447 00:24:08,751 --> 00:24:10,753 have been portrayed as killers. 448 00:24:10,884 --> 00:24:13,756 Unfortunately, people are killed from time to time. 449 00:24:13,887 --> 00:24:16,019 It has been postulated 450 00:24:16,150 --> 00:24:18,631 that white sharks' hunting has 451 00:24:18,761 --> 00:24:22,722 similarities into the tactics utilized by serial killers. 452 00:24:24,288 --> 00:24:27,640 Serial killers use what is referred to as an anchor point, 453 00:24:27,770 --> 00:24:30,599 which is where they will sit and watch 454 00:24:30,730 --> 00:24:33,036 and pick their victim. 455 00:24:33,167 --> 00:24:35,125 White sharks do the same thing. 456 00:24:35,256 --> 00:24:38,259 White sharks like to hunt stealth, 457 00:24:38,389 --> 00:24:41,044 where the intended victim can't see them. 458 00:24:43,177 --> 00:24:45,222 MAXEY: A lot of people often look at sharks and think 459 00:24:45,353 --> 00:24:47,181 that there's nothing going on. 460 00:24:47,311 --> 00:24:49,879 But great whites are intelligent animals. 461 00:24:50,010 --> 00:24:52,403 We've watched great whites attack seals. 462 00:24:52,534 --> 00:24:56,364 And you'll find the older great whites will pick out 463 00:24:56,495 --> 00:24:58,714 specific individuals, usually young ones. 464 00:25:00,237 --> 00:25:02,109 It's very methodical. 465 00:25:02,239 --> 00:25:05,591 So it is 100% possible 466 00:25:05,721 --> 00:25:08,071 that some sharks like the taste of people. 467 00:25:09,812 --> 00:25:12,336 SHATNER: Are there certain sharks that specifically 468 00:25:12,467 --> 00:25:15,644 and methodically hunt people? 469 00:25:15,775 --> 00:25:19,561 Some marine biologists have suggested it's possible. 470 00:25:19,692 --> 00:25:23,260 But if this theory is true, then what's even more disturbing 471 00:25:23,391 --> 00:25:26,916 is that a killer shark may keep stalking people 472 00:25:27,047 --> 00:25:30,050 for a very long, long time. 473 00:25:31,530 --> 00:25:34,489 Great whites can live to be 80-plus years old. 474 00:25:34,620 --> 00:25:37,100 There are some accounts of specimens being over 100. 475 00:25:38,580 --> 00:25:41,235 They study their subjects just like a serial killer. 476 00:25:41,365 --> 00:25:44,325 They learn from their mistakes just like a serial killer. 477 00:25:44,455 --> 00:25:46,762 That's terrifying. 478 00:25:48,634 --> 00:25:51,288 Is it possible that some sharks 479 00:25:51,419 --> 00:25:53,943 methodically stalk human beings? 480 00:25:54,074 --> 00:25:55,989 Perhaps. 481 00:25:56,119 --> 00:25:57,947 But there is one man-eating creature 482 00:25:58,078 --> 00:25:59,993 that we know has definitely 483 00:26:00,123 --> 00:26:03,083 been targeting humans for decades. 484 00:26:03,213 --> 00:26:05,912 A massive crocodile 485 00:26:06,042 --> 00:26:07,870 that doesn't eat its victims 486 00:26:08,001 --> 00:26:10,525 but rather appears to kill people 487 00:26:10,656 --> 00:26:19,795 just for the thrill of it. 488 00:26:19,926 --> 00:26:22,406 SHATNER: February 19, 1945. 489 00:26:23,538 --> 00:26:25,975 On this 500-square-mile island, 490 00:26:26,106 --> 00:26:29,892 Allied British forces drive 1,000 Japanese soldiers 491 00:26:30,023 --> 00:26:34,157 deep into the murky waters of a ten-mile swamp. 492 00:26:35,942 --> 00:26:38,945 But as night falls, the Japanese soon realize 493 00:26:39,075 --> 00:26:42,470 that they're being hunted by a very different kind of enemy, 494 00:26:42,601 --> 00:26:45,778 as one by one, they're killed 495 00:26:45,908 --> 00:26:48,824 by a group of massive crocodiles. 496 00:26:51,479 --> 00:26:55,222 These crocodiles were giant-- 15, 16 feet long-- 497 00:26:55,352 --> 00:26:58,442 and they went on a killing rampage. 498 00:27:00,662 --> 00:27:04,579 There were accounts of bloodcurdling screams 499 00:27:04,710 --> 00:27:07,626 from men trying to save other men 500 00:27:07,756 --> 00:27:10,890 from the jaws of hungry crocodiles. 501 00:27:11,020 --> 00:27:13,893 During the night, those crocodiles killed 502 00:27:14,023 --> 00:27:16,635 over 500 people. 503 00:27:18,680 --> 00:27:22,466 LESLIE: It's the classic example of a crocodile feeding frenzy. 504 00:27:23,729 --> 00:27:25,731 The men who were forced into the swamp 505 00:27:25,861 --> 00:27:28,690 had wounds, they were bleeding anyway. 506 00:27:28,821 --> 00:27:30,518 That's a sure sign for a crocodile 507 00:27:30,649 --> 00:27:32,041 to start attacking, the smell of blood. 508 00:27:33,652 --> 00:27:36,567 It must have been something unbelievable to go through. 509 00:27:36,698 --> 00:27:38,657 REAGAN: I think the situation was 510 00:27:38,787 --> 00:27:41,964 an encroachment of the humans into the crocodiles' territory. 511 00:27:42,095 --> 00:27:45,446 And the crocodiles were just seizing an opportunity. 512 00:27:45,576 --> 00:27:47,448 It's like getting a free meal. 513 00:27:47,578 --> 00:27:49,972 You're not gonna turn it down. 514 00:27:50,103 --> 00:27:52,366 SHATNER: By morning, less than half of the 1,000 515 00:27:52,496 --> 00:27:56,718 Japanese soldiers who entered the swamp came out alive. 516 00:27:56,849 --> 00:27:58,720 Because of the incredible death toll, 517 00:27:58,851 --> 00:28:00,722 the incident at Ramree Island 518 00:28:00,853 --> 00:28:02,985 is considered by some to be the worst 519 00:28:03,116 --> 00:28:06,641 crocodile attack ever recorded. 520 00:28:06,772 --> 00:28:10,993 It's also a grim reminder that crocodiles 521 00:28:11,124 --> 00:28:13,866 are one of the deadliest and oldest 522 00:28:13,996 --> 00:28:16,390 species on the planet. 523 00:28:16,520 --> 00:28:20,611 Crocodiles have been around for over 240 million years. 524 00:28:22,439 --> 00:28:25,965 Way before birds, mammals and modern-day reptiles. 525 00:28:26,095 --> 00:28:29,533 Crocodiles appeared 25 million years 526 00:28:29,664 --> 00:28:32,536 before the dinosaurs and are their closest living relatives. 527 00:28:32,667 --> 00:28:36,540 They share a lot of the same features as dinosaurs, 528 00:28:36,671 --> 00:28:40,544 including hip-like arrangements that you can see in birds, 529 00:28:40,675 --> 00:28:42,851 and they have teeth in sockets, 530 00:28:42,982 --> 00:28:46,072 unlike teeth that are fused to the jawbone. 531 00:28:48,204 --> 00:28:51,120 Since the very beginning of our evolution, 532 00:28:51,251 --> 00:28:53,470 we have lived alongside crocodiles 533 00:28:53,601 --> 00:28:55,734 and have been eaten by crocodiles throughout. 534 00:28:57,170 --> 00:29:00,042 They're known for their strength or their ferocity. 535 00:29:01,870 --> 00:29:04,743 And we're really a snack to some of the larger crocodiles. 536 00:29:06,483 --> 00:29:08,311 SHATNER: East Africa. 537 00:29:08,442 --> 00:29:12,228 At 410 miles long and nearly 5,000 feet deep, 538 00:29:12,359 --> 00:29:16,624 Lake Tanganyika on the border of Tanzania and the Congo is 539 00:29:16,755 --> 00:29:19,845 the longest and second deepest freshwater lake in the world. 540 00:29:21,150 --> 00:29:23,326 Thousands of people rely on it to survive, 541 00:29:23,457 --> 00:29:26,590 even though they are aware of a terror 542 00:29:26,721 --> 00:29:29,158 lurking beneath its surface. 543 00:29:30,856 --> 00:29:36,252 A massive crocodile that the locals have nicknamed Gustave. 544 00:29:36,383 --> 00:29:40,126 MAXEY: Gustave is an infamous Nile crocodile. 545 00:29:40,256 --> 00:29:42,476 He's supposedly over 18 feet 546 00:29:42,606 --> 00:29:45,696 and weighs over 2,000 pounds. 547 00:29:45,827 --> 00:29:47,263 And experts also believe he's anywhere 548 00:29:47,394 --> 00:29:50,136 from 80 to 90 years old. 549 00:29:50,266 --> 00:29:52,834 He is a prolific man-eater. 550 00:29:54,270 --> 00:29:56,533 These victims were women, 551 00:29:56,664 --> 00:29:58,666 were children, were fishermen. 552 00:30:00,494 --> 00:30:02,670 LESLIE: Gustave is a killing machine. 553 00:30:02,801 --> 00:30:05,760 Accounts of people being taken by Gustave 554 00:30:05,891 --> 00:30:08,197 are pretty rife out there in the villages. 555 00:30:08,328 --> 00:30:10,852 The locals want him dead because they believed he was 556 00:30:10,983 --> 00:30:13,507 the monster crocodile that was habituating 557 00:30:13,637 --> 00:30:15,378 that lower section of river 558 00:30:15,509 --> 00:30:17,424 and was responsible for all those deaths. 559 00:30:17,554 --> 00:30:20,383 He's definitely been shot at a couple of times. 560 00:30:20,514 --> 00:30:22,124 There's a scar on his head, and there's another one 561 00:30:22,255 --> 00:30:23,734 between his shoulders. 562 00:30:23,865 --> 00:30:25,780 But what also made killing him difficult 563 00:30:25,911 --> 00:30:28,914 is that Gustave often disappeared for months on end. 564 00:30:29,044 --> 00:30:32,004 At one point in time, nobody saw him for 18 months. 565 00:30:32,134 --> 00:30:35,616 SHATNER: So far, no one has been able to capture 566 00:30:35,746 --> 00:30:39,011 or kill this deadly crocodile. 567 00:30:39,141 --> 00:30:41,796 It is estimated that Gustave is responsible 568 00:30:41,927 --> 00:30:46,888 for killing at least 300 people between 1987 and 2015. 569 00:30:47,019 --> 00:30:50,152 But, curiously, it seems that Gustave 570 00:30:50,283 --> 00:30:53,634 doesn't always eat his victims. 571 00:30:53,764 --> 00:30:57,159 According to the locals, he may hunt humans 572 00:30:57,290 --> 00:31:00,380 simply because he enjoys it. 573 00:31:00,510 --> 00:31:03,426 Gustave has claimed many, many victims. 574 00:31:03,557 --> 00:31:06,429 More than any other crocodile in history. 575 00:31:06,560 --> 00:31:08,823 If you look at the sheer number of people 576 00:31:08,954 --> 00:31:11,304 that Gustave has killed, and the fact that he doesn't 577 00:31:11,434 --> 00:31:14,568 always eat his victims, it's puzzling. 578 00:31:14,698 --> 00:31:16,613 It's almost as if he's doing it for sport. 579 00:31:18,180 --> 00:31:19,878 LESLIE: Most villagers think that Gustave picks on 580 00:31:20,008 --> 00:31:21,488 human beings in particular. 581 00:31:21,618 --> 00:31:23,098 There's rumors about how 582 00:31:23,229 --> 00:31:25,753 he follows and he stalks his-his prey. 583 00:31:25,884 --> 00:31:28,451 He watches you. 584 00:31:28,582 --> 00:31:31,454 He has a memory-- he knows who's where, 585 00:31:31,585 --> 00:31:33,326 he knows where the boat ramps are. 586 00:31:33,456 --> 00:31:36,285 We don't hear about many serial man-eating crocodiles, 587 00:31:36,416 --> 00:31:38,113 so from a scientific point of view, 588 00:31:38,244 --> 00:31:40,463 it's also a bit of an enigma. 589 00:31:42,378 --> 00:31:45,991 SHATNER: The last known sighting of Gustave was in 2015, 590 00:31:46,121 --> 00:31:48,776 but the fear that he will reemerge from the waters 591 00:31:48,907 --> 00:31:53,302 of Lake Tanganyika has kept authorities on constant alert, 592 00:31:53,433 --> 00:31:55,739 in the hope that they can capture Gustave 593 00:31:55,870 --> 00:31:59,395 before he kills again. 594 00:32:01,093 --> 00:32:03,834 LESLIE: None of us know if Gustave is actually still alive. 595 00:32:03,965 --> 00:32:07,403 He's so famous that if he had died or been killed, 596 00:32:07,534 --> 00:32:10,624 somebody would have had that skin or had that skeleton 597 00:32:10,754 --> 00:32:12,887 or taken some photos or something. 598 00:32:13,018 --> 00:32:16,847 So I wouldn't be surprised if he's still out there. 599 00:32:16,978 --> 00:32:20,590 The idea that a 2,000-pound crocodile 600 00:32:20,721 --> 00:32:22,766 enjoys attacking humans 601 00:32:22,897 --> 00:32:24,899 is frightening, to say the least. 602 00:32:25,030 --> 00:32:28,555 But in Russia, many believe it was a darker motivation 603 00:32:28,685 --> 00:32:32,080 that caused a fearsome tiger to take a human life. 604 00:32:32,211 --> 00:32:35,083 Because this predator may have killed its victim 605 00:32:35,214 --> 00:32:37,868 as an act of revenge. 606 00:32:46,616 --> 00:32:49,837 SHATNER: In the cold, unforgiving forests of eastern Siberia, 607 00:32:49,968 --> 00:32:52,883 a local hunter named Vladimir Markov discovers 608 00:32:53,014 --> 00:32:54,711 the bloody carcass of a wild boar 609 00:32:54,842 --> 00:32:56,539 lying half-eaten in the snow. 610 00:32:58,193 --> 00:33:01,153 He instantly realizes he's in great danger, 611 00:33:01,283 --> 00:33:03,938 because he has just stumbled upon a fresh kill 612 00:33:04,069 --> 00:33:07,028 made by one of Russia's most dangerous predators. 613 00:33:08,290 --> 00:33:10,989 The Siberian tiger. 614 00:33:11,119 --> 00:33:13,817 McCANN: At the point where Vladimir Markov realized 615 00:33:13,948 --> 00:33:16,820 that he was coming upon a tiger's kill, he knew that 616 00:33:16,951 --> 00:33:19,171 the tiger will still be there, because it'll still feed 617 00:33:19,301 --> 00:33:21,347 upon that kill until there's nothing left to feed on. 618 00:33:21,477 --> 00:33:23,958 So if he doesn't shoot that tiger first, 619 00:33:24,089 --> 00:33:26,004 the tiger will kill him. 620 00:33:26,134 --> 00:33:28,789 So it was a case for him of "kill or be killed." 621 00:33:30,399 --> 00:33:32,488 SHATNER: As the tiger approached Markov to defend its kill, 622 00:33:32,619 --> 00:33:34,751 -he fired his rifle. -[gunshot] 623 00:33:34,882 --> 00:33:37,319 But only wounded the angry cat. 624 00:33:37,450 --> 00:33:40,279 Injured, the tiger retreated back into the forest. 625 00:33:40,409 --> 00:33:44,457 But that's not the end of the story. 626 00:33:46,154 --> 00:33:48,113 Because two days later, the local authorities were informed 627 00:33:48,243 --> 00:33:50,724 that Markov had been attacked and killed 628 00:33:50,854 --> 00:33:53,466 at his home by a vicious tiger. 629 00:33:54,902 --> 00:33:57,687 When investigators arrived at Markov's log cabin, 630 00:33:57,818 --> 00:34:01,430 they found a disturbing scene. 631 00:34:02,649 --> 00:34:04,129 [man speaking Russian] 632 00:34:04,259 --> 00:34:06,479 It's pretty remarkable seeing the images. 633 00:34:06,609 --> 00:34:09,743 There was obviously quite a lot of blood. 634 00:34:09,873 --> 00:34:11,701 The clothes are tattered everywhere. 635 00:34:13,399 --> 00:34:17,229 Often, when tigers kill people, it's not necessarily for food. 636 00:34:17,359 --> 00:34:20,188 But in Markov's case, the tiger ate everything 637 00:34:20,319 --> 00:34:21,798 it possibly could of him. 638 00:34:21,929 --> 00:34:24,062 It wanted to leave no trace of the man. 639 00:34:24,192 --> 00:34:27,282 The strangest part of the Vladimir Markov story 640 00:34:27,413 --> 00:34:30,416 is the fact that the tiger actively destroyed 641 00:34:30,546 --> 00:34:33,723 everything around that lodge that had Vladimir's scent on it. 642 00:34:33,854 --> 00:34:37,684 Just destroyed it in seemingly a fit of anger. 643 00:34:39,555 --> 00:34:41,992 SHATNER: But even more unsettling than the gruesome killing itself 644 00:34:42,123 --> 00:34:44,995 was the fact that investigators later determined 645 00:34:45,126 --> 00:34:47,302 that Markov was eaten by the same tiger 646 00:34:47,433 --> 00:34:50,218 he had shot with his rifle. 647 00:34:52,655 --> 00:34:54,831 McCANN: The tiger tracked Vladimir back to his hunting lodge, 648 00:34:54,962 --> 00:34:58,096 a distance of 11 kilometers. 649 00:34:58,226 --> 00:35:00,098 And then it waited. 650 00:35:00,228 --> 00:35:01,534 That is what is remarkable. 651 00:35:01,664 --> 00:35:04,058 It waited, we think, 652 00:35:04,189 --> 00:35:06,930 around 48 hours for him to return to that lodge. 653 00:35:07,061 --> 00:35:09,890 And then when Vladimir returned, 654 00:35:10,020 --> 00:35:12,110 it killed him. 655 00:35:13,763 --> 00:35:16,288 SHATNER: The story of Vladimir Markov's death at the hands 656 00:35:16,418 --> 00:35:18,464 of a deadly tiger is frightening, 657 00:35:18,594 --> 00:35:21,902 but it's also mysterious. 658 00:35:22,032 --> 00:35:24,339 Because while animals will naturally defend themselves 659 00:35:24,470 --> 00:35:28,648 when attacked, this tiger tracked Markov down 660 00:35:28,778 --> 00:35:30,954 over an unusually long distance. 661 00:35:31,955 --> 00:35:34,219 But why? 662 00:35:34,349 --> 00:35:37,091 Big predators will kill smaller predators 663 00:35:37,222 --> 00:35:39,920 with which they compete, and there's a long history 664 00:35:40,050 --> 00:35:42,052 of human competition with predators. 665 00:35:43,315 --> 00:35:45,447 So it's possible the tiger was viewing this 666 00:35:45,578 --> 00:35:47,710 as competition, and I want to get rid of a competitor 667 00:35:47,841 --> 00:35:50,017 because this is a threat to my livelihood. 668 00:35:50,148 --> 00:35:53,151 So don't steal food from tigers, 669 00:35:53,281 --> 00:35:56,023 is the lesson that stands out from Markov's story. 670 00:35:57,633 --> 00:35:59,940 SHATNER: Did the tiger kill Markov because it viewed him 671 00:36:00,070 --> 00:36:03,030 as a threat to its survival? Perhaps. 672 00:36:03,161 --> 00:36:06,076 But there are those who believe that it was motivated 673 00:36:06,207 --> 00:36:09,079 not by self-preservation 674 00:36:09,210 --> 00:36:12,605 but rather by a desire to exact revenge. 675 00:36:14,041 --> 00:36:16,348 MAXEY: You can't look at this story of Vladimir 676 00:36:16,478 --> 00:36:19,002 and not think that this is a story of vengeance. 677 00:36:19,133 --> 00:36:22,267 The tiger stalked Vladimir's cabin. 678 00:36:22,397 --> 00:36:26,575 It waited for Vladimir to return home for the attack. 679 00:36:26,706 --> 00:36:28,838 Everything here points to premeditation. 680 00:36:30,971 --> 00:36:34,061 You look at other instances, you see attacks 681 00:36:34,192 --> 00:36:35,976 with tigers who will seek vengeance 682 00:36:36,106 --> 00:36:37,934 on people they don't like. 683 00:36:38,065 --> 00:36:40,459 These animals can feel these emotions. 684 00:36:41,982 --> 00:36:44,637 BLUMSTEIN: All animals have neurochemical responses 685 00:36:44,767 --> 00:36:48,206 which are remarkably similar across all sorts of species. 686 00:36:48,336 --> 00:36:53,167 They feel emotions or feelings that influence behavior 687 00:36:53,298 --> 00:36:54,908 exactly the same as we do. 688 00:36:56,257 --> 00:36:58,433 McCANN: You do not mess with a tiger. 689 00:36:58,564 --> 00:37:01,654 If you do that, it's gonna come after you. 690 00:37:01,784 --> 00:37:05,048 Markov will have known that when he shot that tiger 691 00:37:05,179 --> 00:37:08,791 and it didn't die, he knew that his time was up. 692 00:37:08,922 --> 00:37:12,055 This tiger had the ability to hold a grudge 693 00:37:12,186 --> 00:37:14,493 with a single individual 694 00:37:14,623 --> 00:37:17,191 for over 48 hours and then take its revenge. 695 00:37:18,540 --> 00:37:21,151 We have taken dominion over nature in many ways 696 00:37:21,282 --> 00:37:24,416 because of our technological developments, 697 00:37:24,546 --> 00:37:26,635 but we are still a part of nature, 698 00:37:26,766 --> 00:37:29,682 and we are still occasionally on the menu 699 00:37:29,812 --> 00:37:31,988 of bigger and stronger animals, such as tigers. 700 00:37:33,816 --> 00:37:36,428 It's chilling to think that a tiger could actually 701 00:37:36,558 --> 00:37:41,041 have a vendetta, a score to settle, with human beings. 702 00:37:41,171 --> 00:37:44,305 But not all animals see humans as adversaries. 703 00:37:44,436 --> 00:37:47,439 For example, there's a region in India 704 00:37:47,569 --> 00:37:50,442 where people and man-eating lions 705 00:37:50,572 --> 00:37:53,183 have joined forces. 706 00:38:01,583 --> 00:38:05,239 SHATNER: These lush woodlands are home to the Asiatic lion, 707 00:38:05,370 --> 00:38:07,197 one of the rarest predators on Earth. 708 00:38:08,547 --> 00:38:11,201 Though less than 700 of these majestic cats 709 00:38:11,332 --> 00:38:13,900 remain in the wild, they often cross paths 710 00:38:14,030 --> 00:38:17,425 with the local residents, whose farms border the forest. 711 00:38:18,992 --> 00:38:21,255 But, curiously, instead of coming into conflict 712 00:38:21,386 --> 00:38:23,518 with these dangerous predators, 713 00:38:23,649 --> 00:38:27,435 the farmers appear to have formed an alliance with them. 714 00:38:29,045 --> 00:38:31,047 MAXEY: There is an overabundance of deer 715 00:38:31,178 --> 00:38:33,049 in India, and the deer at night will come 716 00:38:33,180 --> 00:38:34,877 and eat the farmers' crops. 717 00:38:36,966 --> 00:38:41,014 So the farmers have teamed up with the local Asiatic lions. 718 00:38:41,144 --> 00:38:45,584 The farmers, trying to scare the deer off, make a noise. 719 00:38:45,714 --> 00:38:47,803 [farmer calling] 720 00:38:49,544 --> 00:38:51,894 And the lions quickly have learned 721 00:38:52,025 --> 00:38:54,854 that that noise means that deer are in the area. 722 00:38:57,900 --> 00:39:00,076 So the lions end up killing the deer. 723 00:39:03,602 --> 00:39:07,475 This is something that has never really been documented 724 00:39:07,606 --> 00:39:11,349 where lions and humans are working together. 725 00:39:12,785 --> 00:39:15,222 SHATNER: Asiatic lions are notorious man-eaters 726 00:39:15,353 --> 00:39:17,572 and have even been known to drag people 727 00:39:17,703 --> 00:39:19,792 from their homes and kill them. 728 00:39:21,184 --> 00:39:24,492 So how is this mutually beneficial arrangement 729 00:39:24,623 --> 00:39:26,581 between man and lion possible? 730 00:39:27,843 --> 00:39:31,543 Well, as it turns out, these lions behave 731 00:39:31,673 --> 00:39:35,460 the same way any household cat would when it's dinnertime. 732 00:39:35,590 --> 00:39:37,810 [farmer calling] 733 00:39:37,940 --> 00:39:39,899 DeSANTIS: Lions are very clever, and in this sort of symbiotic 734 00:39:40,029 --> 00:39:43,119 relationship with them and humans, 735 00:39:43,250 --> 00:39:45,208 they're essentially able to learn that humans 736 00:39:45,339 --> 00:39:48,995 are providing them notification that there are prey available. 737 00:39:49,125 --> 00:39:50,910 It's essentially like ringing a dinner bell, 738 00:39:51,040 --> 00:39:53,391 um, for these lions. 739 00:39:53,521 --> 00:39:56,872 And so they've learned not to attack humans in most cases. 740 00:39:57,003 --> 00:40:01,442 And there's amazing footage of people sitting down, 741 00:40:01,573 --> 00:40:05,707 relaxing just a few feet from lions. 742 00:40:07,448 --> 00:40:10,451 SHATNER: The cooperation between Indian farmers and Asiatic lions 743 00:40:10,582 --> 00:40:13,715 is proof that, in the right circumstances, 744 00:40:13,846 --> 00:40:18,328 humans and deadly predators can be friends instead of foes. 745 00:40:19,591 --> 00:40:22,637 But experts warn that we shouldn't 746 00:40:22,768 --> 00:40:26,641 let down our guard when in the presence of wild animals. 747 00:40:27,903 --> 00:40:30,558 Seeing these farmers walking and living 748 00:40:30,689 --> 00:40:34,388 amongst these lions, it completely blows my mind. 749 00:40:34,519 --> 00:40:36,825 Now, could the tables turn at any moment? 750 00:40:36,956 --> 00:40:39,001 Absolutely. 751 00:40:39,132 --> 00:40:43,484 These are still wild animals with instincts. 752 00:40:43,615 --> 00:40:45,268 I would say these animals still need to be 753 00:40:45,399 --> 00:40:46,574 treated with a lot of respect. 754 00:40:48,707 --> 00:40:50,622 McCANN: Human beings like to think of themselves 755 00:40:50,752 --> 00:40:53,363 as above the rest of the animal kingdom 756 00:40:53,494 --> 00:40:55,540 because we've innovated ourselves 757 00:40:55,670 --> 00:40:57,977 out of nature in many, many ways. 758 00:40:59,282 --> 00:41:01,937 But when faced with a predator, 759 00:41:02,068 --> 00:41:06,028 without the benefit of technology such as weaponry, 760 00:41:06,159 --> 00:41:08,857 the predator just sees us as food. 761 00:41:08,988 --> 00:41:11,077 Essentially, our pecking order is not 762 00:41:11,207 --> 00:41:12,600 necessarily the top of the food chain. 763 00:41:12,731 --> 00:41:14,863 And, you know, 764 00:41:14,994 --> 00:41:17,039 we are a part of the natural community. 765 00:41:18,345 --> 00:41:20,303 We can be prey. We can be predators. 766 00:41:20,434 --> 00:41:22,697 It depends on the situation. 767 00:41:22,828 --> 00:41:26,005 But ultimately, we can succumb to a crocodile, 768 00:41:26,135 --> 00:41:27,963 to a lion, 769 00:41:28,094 --> 00:41:29,704 to a tiger at any moment. 770 00:41:32,054 --> 00:41:35,493 Is it possible for humans and dangerous animals 771 00:41:35,623 --> 00:41:38,017 to peacefully coexist? 772 00:41:38,147 --> 00:41:40,062 It's certainly an optimistic thought. 773 00:41:41,586 --> 00:41:43,631 But let's not forget, animals are driven by the same 774 00:41:43,762 --> 00:41:47,896 instincts that we are: hunger, fear, even revenge. 775 00:41:48,027 --> 00:41:51,291 And if a deadly predator decides that it's out for blood, 776 00:41:51,421 --> 00:41:53,467 there's not much that we can do to stop it. 777 00:41:53,598 --> 00:41:56,644 Which is why some creatures will remain 778 00:41:56,775 --> 00:41:58,907 wild, unpredictable and... 779 00:41:59,038 --> 00:42:00,866 unexplained. 780 00:42:00,996 --> 00:42:02,215 CAPTIONING PROVIDED BY A+E NETWORKS