1 00:01:01,640 --> 00:01:02,300 Fei. 2 00:01:09,640 --> 00:01:10,410 Hold on. 3 00:01:36,400 --> 00:01:36,850 Go. 4 00:01:36,950 --> 00:01:37,410 No. 5 00:01:38,280 --> 00:01:38,820 No! 6 00:01:38,840 --> 00:01:39,460 Go. 7 00:01:39,920 --> 00:01:40,820 Go. 8 00:04:04,520 --> 00:04:05,410 Chen, 9 00:04:07,000 --> 00:04:08,450 why did you decide 10 00:04:08,910 --> 00:04:10,170 to open a clinic in He City? 11 00:04:15,080 --> 00:04:16,250 Then why did you 12 00:04:18,310 --> 00:04:19,370 transfer to He City? 13 00:04:24,630 --> 00:04:25,540 You know why. 14 00:04:32,750 --> 00:04:33,220 I know you 15 00:04:33,240 --> 00:04:34,980 don't want to forgive Li Ming. 16 00:04:36,950 --> 00:04:38,140 But no matter what, 17 00:04:39,360 --> 00:04:39,930 he was once 18 00:04:39,950 --> 00:04:41,460 our good friend. 19 00:04:44,310 --> 00:04:45,780 Come on. Cheers. 20 00:04:45,800 --> 00:04:46,140 Cheers. 21 00:04:46,160 --> 00:04:47,020 Congratulations! 22 00:04:47,190 --> 00:04:47,850 Cheers! 23 00:04:47,950 --> 00:04:48,700 Congratulations. 24 00:04:48,830 --> 00:04:49,370 Thanks, Chen! 25 00:04:49,430 --> 00:04:50,050 Thanks, Chen! 26 00:04:57,070 --> 00:04:57,730 Qi! 27 00:04:58,870 --> 00:04:59,930 Are you really going to be a 28 00:05:01,070 --> 00:05:02,250 medical examiner after you graduate? 29 00:05:03,000 --> 00:05:03,580 Yes. 30 00:05:05,000 --> 00:05:05,580 I still hope 31 00:05:06,310 --> 00:05:07,810 to uncover the truth 32 00:05:08,310 --> 00:05:09,100 for the deceased. 33 00:05:09,360 --> 00:05:10,580 Come on. 34 00:05:10,800 --> 00:05:12,100 I don't know what he was thinking. 35 00:05:13,360 --> 00:05:14,100 Why do you like 36 00:05:14,120 --> 00:05:15,410 dealing with dead people? 37 00:05:16,390 --> 00:05:17,250 Can't you be like me? 38 00:05:18,190 --> 00:05:20,660 Studying for my master's degree while doing research. 39 00:05:21,950 --> 00:05:22,660 Let me tell you, 40 00:05:23,040 --> 00:05:23,900 Jiang City Medical University 41 00:05:23,920 --> 00:05:25,460 is currently developing a new drug. 42 00:05:25,800 --> 00:05:27,340 If they succeed, 43 00:05:27,800 --> 00:05:28,660 it can save 44 00:05:28,720 --> 00:05:29,580 many people. 45 00:05:30,040 --> 00:05:31,170 You have ambitions 46 00:05:31,190 --> 00:05:32,050 and dreams. 47 00:05:32,600 --> 00:05:33,100 Come on, 48 00:05:33,560 --> 00:05:35,490 for your dreams. 49 00:05:36,000 --> 00:05:36,490 Cheers. 50 00:05:37,160 --> 00:05:37,930 For dreams. 51 00:05:38,480 --> 00:05:39,290 Cheers to dreams! 52 00:05:39,390 --> 00:05:40,020 Cheers! 53 00:05:40,070 --> 00:05:40,700 Cheers! 54 00:05:45,310 --> 00:05:45,930 Friends? 55 00:05:47,680 --> 00:05:49,140 If he considered us friends, 56 00:05:49,950 --> 00:05:51,370 he wouldn't have done that. 57 00:05:59,630 --> 00:06:00,220 People 58 00:06:02,480 --> 00:06:03,340 change. 59 00:06:04,680 --> 00:06:05,660 He would. 60 00:06:06,800 --> 00:06:07,460 You would. 61 00:06:09,480 --> 00:06:10,170 I would too. 62 00:06:11,720 --> 00:06:12,850 He just forgot his initial 63 00:06:12,870 --> 00:06:14,460 dream of saving people 64 00:06:14,800 --> 00:06:16,370 and embarked on a path of no return. 65 00:06:18,800 --> 00:06:20,460 But that was his choice. 66 00:06:22,120 --> 00:06:23,540 It wasn't our fault, okay? 67 00:06:26,600 --> 00:06:27,930 But Fei died because of him. 68 00:06:36,360 --> 00:06:36,980 Do you know 69 00:06:37,000 --> 00:06:38,490 what kind of patient I fear most 70 00:06:39,680 --> 00:06:40,490 in all my years 71 00:06:40,510 --> 00:06:41,610 as a psychologist? 72 00:06:44,950 --> 00:06:46,050 It's the kind of people who know 73 00:06:46,070 --> 00:06:47,580 that they refuse to wake up, 74 00:06:49,390 --> 00:06:50,540 yet stubbornly refuse 75 00:06:50,560 --> 00:06:52,020 to believe it. 76 00:07:44,160 --> 00:07:44,980 Mr. Qi! 77 00:07:46,680 --> 00:07:48,100 The results of the drug components 78 00:07:48,240 --> 00:07:48,930 in Li Yiqi 79 00:07:48,950 --> 00:07:49,850 and Li Shuting are out. 80 00:07:55,720 --> 00:07:57,140 The drug composition in their bodies 81 00:07:57,270 --> 00:07:57,980 doesn't match. 82 00:08:28,360 --> 00:08:28,900 Hello? 83 00:08:30,630 --> 00:08:31,490 The results are out. 84 00:08:35,080 --> 00:08:35,820 Mr. Wu. 85 00:08:36,720 --> 00:08:37,650 Where is Mrs. Wu? 86 00:08:38,360 --> 00:08:39,370 She went on a trip abroad 87 00:08:40,080 --> 00:08:41,220 with her friends. 88 00:08:41,750 --> 00:08:42,890 She just called. 89 00:08:43,360 --> 00:08:43,980 She was glad you 90 00:08:44,000 --> 00:08:45,010 remembered my birthday. 91 00:08:45,480 --> 00:08:45,940 So she won't 92 00:08:46,480 --> 00:08:47,220 feel so guilty 93 00:08:47,240 --> 00:08:47,850 leaving me 94 00:08:47,910 --> 00:08:49,130 alone at home. 95 00:08:53,120 --> 00:08:53,650 Sizhe. 96 00:08:54,480 --> 00:08:56,420 How are you recovering? 97 00:08:58,960 --> 00:08:59,730 I'm fully recovered. 98 00:09:00,510 --> 00:09:01,490 Thanks for your concern. 99 00:09:03,600 --> 00:09:05,010 I've been wanting to visit you. 100 00:09:05,720 --> 00:09:06,340 But... 101 00:09:10,600 --> 00:09:11,250 Mr. Wu, 102 00:09:12,790 --> 00:09:13,700 please don't say that. 103 00:09:15,150 --> 00:09:15,980 It's not convenient for you 104 00:09:18,150 --> 00:09:19,850 to get involved in Li Ming's matter. 105 00:09:36,390 --> 00:09:38,730 He's almost drunk but still wants to drink. 106 00:09:39,550 --> 00:09:40,530 I'll get him another bottle. 107 00:09:49,200 --> 00:09:49,890 Mr. Wu. 108 00:09:52,910 --> 00:09:54,180 I used to celebrate my birthday 109 00:09:54,320 --> 00:09:55,420 with the three of you. 110 00:09:58,360 --> 00:09:59,250 But Li Ming is not here. 111 00:10:02,630 --> 00:10:03,460 Li Ming has 112 00:10:03,720 --> 00:10:04,730 disappointed me so much. 113 00:10:08,200 --> 00:10:10,250 Even if he gave his life, 114 00:10:11,200 --> 00:10:12,650 he couldn't get your girlfriend back. 115 00:10:15,000 --> 00:10:15,650 How could I have 116 00:10:15,670 --> 00:10:16,770 taught such a student? 117 00:10:20,480 --> 00:10:21,060 Mr. Wu, 118 00:10:23,510 --> 00:10:24,370 is it possible 119 00:10:24,960 --> 00:10:26,460 that the drug formula Li Ming 120 00:10:27,510 --> 00:10:28,820 prepared back then leaked? 121 00:10:29,440 --> 00:10:30,340 It leaked out? 122 00:10:31,790 --> 00:10:32,850 That shouldn't be possible. 123 00:10:34,200 --> 00:10:35,460 Everyone 124 00:10:35,870 --> 00:10:37,180 in the lab back then, 125 00:10:37,200 --> 00:10:38,130 including me, 126 00:10:38,320 --> 00:10:39,100 was investigated. 127 00:10:40,320 --> 00:10:41,460 Everyone 128 00:10:41,480 --> 00:10:42,580 was surprised. 129 00:10:43,510 --> 00:10:44,180 We knew 130 00:10:44,200 --> 00:10:45,220 he was busy every day. 131 00:10:46,030 --> 00:10:47,700 No one expected him to be busy with this. 132 00:10:48,960 --> 00:10:49,730 If that's the case, 133 00:10:49,910 --> 00:10:51,250 then you need to investigate it. 134 00:10:52,720 --> 00:10:54,460 It's better to find out the truth. 135 00:10:55,390 --> 00:10:56,060 Mr. Wu. 136 00:10:57,550 --> 00:10:58,770 You think I should investigate? 137 00:10:59,670 --> 00:11:01,100 I've watched you grow up. 138 00:11:02,000 --> 00:11:02,940 I know you too well. 139 00:11:04,440 --> 00:11:05,490 As long as you have doubts, 140 00:11:05,840 --> 00:11:06,980 even if I don't support you, 141 00:11:07,360 --> 00:11:08,490 you'll still investigate. 142 00:11:09,790 --> 00:11:10,340 So, do it. 143 00:11:11,720 --> 00:11:12,250 Investigate. 144 00:11:13,270 --> 00:11:14,060 Only by trying your best 145 00:11:14,480 --> 00:11:15,340 will you know if you're 146 00:11:15,390 --> 00:11:16,530 doing the right thing. 147 00:11:18,790 --> 00:11:19,370 Mr. Wu. 148 00:11:20,600 --> 00:11:21,250 Thank you. 149 00:11:22,720 --> 00:11:23,460 But 150 00:11:24,670 --> 00:11:26,180 if the result 151 00:11:26,720 --> 00:11:27,820 isn't what you want, 152 00:11:29,240 --> 00:11:30,420 you'll have to accept it. 153 00:11:56,630 --> 00:11:57,250 So, what did you 154 00:11:57,790 --> 00:11:59,650 find with those bones? 155 00:12:03,600 --> 00:12:04,300 They're in the autopsy room. 156 00:12:04,750 --> 00:12:05,300 Come on. 157 00:12:11,320 --> 00:12:11,820 Mr. Qi. 158 00:12:11,960 --> 00:12:12,490 Mr. Han. 159 00:12:17,480 --> 00:12:18,490 These bones come 160 00:12:18,960 --> 00:12:20,460 from multiple victims, right? 161 00:12:20,790 --> 00:12:21,300 Yes. 162 00:12:22,150 --> 00:12:22,890 The left and right femurs 163 00:12:23,200 --> 00:12:24,460 aren't from the same person. 164 00:12:24,840 --> 00:12:26,250 The left and right arm bones 165 00:12:26,600 --> 00:12:27,460 aren't from the same person. 166 00:12:27,750 --> 00:12:29,890 The limbs and pelvis don't match. 167 00:12:30,200 --> 00:12:30,890 The thoracic 168 00:12:31,630 --> 00:12:32,420 and cervical vertebrae 169 00:12:32,720 --> 00:12:33,420 don't match either. 170 00:12:34,480 --> 00:12:35,100 The hand 171 00:12:35,390 --> 00:12:36,010 and foot aren't 172 00:12:36,240 --> 00:12:37,300 from the same person. 173 00:12:37,510 --> 00:12:38,100 And the skull 174 00:12:39,240 --> 00:12:40,100 is missing. 175 00:12:41,840 --> 00:12:42,650 How many people? 176 00:12:43,750 --> 00:12:45,100 These are at least ten people's bones. 177 00:12:46,720 --> 00:12:48,100 Ten people died? 178 00:12:49,960 --> 00:12:50,700 Was this treated 179 00:12:50,750 --> 00:12:51,650 the same way as the 180 00:12:51,720 --> 00:12:52,890 bones from last time? 181 00:12:55,960 --> 00:12:58,180 The bone surfaces are covered in phenolic resin. 182 00:12:58,600 --> 00:13:00,130 And these bones 183 00:13:00,510 --> 00:13:02,340 show no signs of natural erosion 184 00:13:02,720 --> 00:13:03,420 or 185 00:13:03,550 --> 00:13:04,850 natural ossification. 186 00:13:05,550 --> 00:13:06,420 It seems someone 187 00:13:06,750 --> 00:13:08,060 removed the skin and flesh 188 00:13:08,080 --> 00:13:09,460 from the bone surfaces. 189 00:13:09,870 --> 00:13:11,420 Current test results indicate 190 00:13:11,600 --> 00:13:12,650 that the skin and flesh 191 00:13:12,840 --> 00:13:13,650 were removed from the bone 192 00:13:13,670 --> 00:13:14,370 using acid washing. 193 00:13:14,670 --> 00:13:15,420 What about the DNA? 194 00:13:15,630 --> 00:13:16,300 Have you extracted 195 00:13:16,320 --> 00:13:17,490 a comparable sample? 196 00:13:19,120 --> 00:13:19,940 No, we couldn't extract it. 197 00:13:20,150 --> 00:13:20,940 Same as last time. 198 00:13:22,910 --> 00:13:23,530 What about the clothing 199 00:13:23,550 --> 00:13:24,490 fibers found at the scene? 200 00:13:24,670 --> 00:13:25,940 Evidence Department has it. 201 00:13:27,510 --> 00:13:28,580 Has anyone gone to Liu Yuanyuan's 202 00:13:28,600 --> 00:13:29,250 house to collect samples? 203 00:13:29,390 --> 00:13:30,180 Sampling has been done. 204 00:13:30,390 --> 00:13:30,850 DNA has also 205 00:13:30,870 --> 00:13:31,460 been extracted. 206 00:13:34,390 --> 00:13:35,890 Now we can only wait for the results 207 00:13:35,910 --> 00:13:37,100 of the clothing fiber analysis. 208 00:13:44,600 --> 00:13:45,060 Mr. Han, 209 00:13:45,750 --> 00:13:46,420 the results are out. 210 00:13:47,200 --> 00:13:48,130 We found two 211 00:13:48,150 --> 00:13:49,010 complete DNA sets. 212 00:13:49,240 --> 00:13:50,700 One set with more samples 213 00:13:50,840 --> 00:13:52,010 is definitely Liu Yuanyuan's. 214 00:13:52,390 --> 00:13:53,820 The other set with fewer samples, 215 00:13:53,960 --> 00:13:54,820 we think, 216 00:13:55,000 --> 00:13:56,100 was left by people who had 217 00:13:56,120 --> 00:13:57,060 contact with this clothing. 218 00:13:57,480 --> 00:13:58,530 Could it be one 219 00:13:58,550 --> 00:13:59,370 of the victims? 220 00:14:00,200 --> 00:14:01,650 Mr. Qi hasn't extracted 221 00:14:01,790 --> 00:14:02,530 any comparable DNA 222 00:14:02,550 --> 00:14:03,420 from the bones yet. 223 00:14:15,720 --> 00:14:17,010 Based on the current clues, 224 00:14:17,320 --> 00:14:17,980 it can be confirmed 225 00:14:18,360 --> 00:14:19,770 that there are at least ten victims. 226 00:14:20,360 --> 00:14:21,370 The murderer first dealt 227 00:14:21,480 --> 00:14:22,730 with the flesh of the corpses, 228 00:14:23,240 --> 00:14:24,820 then took a portion from each skeleton 229 00:14:25,000 --> 00:14:26,130 to assemble a human figure, 230 00:14:26,360 --> 00:14:27,370 and discarded them 231 00:14:28,080 --> 00:14:29,700 in various places around the city. 232 00:14:30,960 --> 00:14:32,130 But the strangest thing 233 00:14:32,670 --> 00:14:33,650 is that among 234 00:14:34,080 --> 00:14:34,980 the ten corpses, 235 00:14:36,000 --> 00:14:36,940 we could not extract DNA 236 00:14:36,960 --> 00:14:37,890 to confirm the identities 237 00:14:38,080 --> 00:14:39,220 of the deceased. 238 00:14:40,270 --> 00:14:41,370 Let me go over it again. 239 00:14:42,270 --> 00:14:43,490 The suspect Liu Yuanyuan 240 00:14:43,960 --> 00:14:45,060 is 1.7 meters tall. 241 00:14:45,550 --> 00:14:47,010 According to her colleagues, 242 00:14:47,080 --> 00:14:48,580 she weighs about 50 kilograms. 243 00:14:49,080 --> 00:14:49,730 We found the 244 00:14:49,750 --> 00:14:51,420 clothes she wore at one 245 00:14:51,840 --> 00:14:52,700 of the dumping sites. 246 00:14:53,600 --> 00:14:54,820 And we already know 247 00:14:55,000 --> 00:14:56,130 she bought a powerful solvent 248 00:14:56,150 --> 00:14:57,010 and knives 249 00:14:57,200 --> 00:14:57,980 at a supermarket. 250 00:14:59,030 --> 00:15:00,250 These bones are all quite intact. 251 00:15:00,960 --> 00:15:03,100 Phenolic resin adheres to the 252 00:15:03,120 --> 00:15:04,100 bones quite completely. 253 00:15:04,600 --> 00:15:05,610 This requires the murderer's 254 00:15:05,790 --> 00:15:07,730 skills to be very high level. 255 00:15:08,750 --> 00:15:09,370 Liu Yuanyuan 256 00:15:10,080 --> 00:15:10,580 has no relevant 257 00:15:10,600 --> 00:15:11,940 professional knowledge. 258 00:15:12,440 --> 00:15:13,820 For an ordinary person, 259 00:15:14,080 --> 00:15:16,220 dismembering ten people, 260 00:15:16,720 --> 00:15:17,580 dissolving the bodies, 261 00:15:17,600 --> 00:15:18,700 and distributing 262 00:15:18,910 --> 00:15:20,610 the pieces over four 263 00:15:22,360 --> 00:15:22,980 or five days 264 00:15:23,000 --> 00:15:23,940 is not easy. 265 00:15:24,510 --> 00:15:25,460 Mr. Qi is right. 266 00:15:26,390 --> 00:15:26,890 Impossible. 267 00:15:27,080 --> 00:15:27,700 Impossible. 268 00:15:28,000 --> 00:15:30,730 Not to mention Liu Yuanyuan, 269 00:15:31,200 --> 00:15:32,700 even a professional couldn't dismantle 270 00:15:33,200 --> 00:15:33,940 and dump bodies 271 00:15:33,960 --> 00:15:35,010 without leaving a clue. 272 00:15:35,840 --> 00:15:36,890 There are indeed too many 273 00:15:36,910 --> 00:15:37,820 doubts here. 274 00:15:38,750 --> 00:15:39,980 Liu Yuanyuan and her neighbors 275 00:15:40,000 --> 00:15:41,060 live very close 276 00:15:41,080 --> 00:15:41,940 to each other. 277 00:15:42,720 --> 00:15:43,980 If she killed and dismembered 278 00:15:44,150 --> 00:15:45,130 ten people, 279 00:15:45,550 --> 00:15:46,460 it's hard to imagine 280 00:15:46,670 --> 00:15:47,820 that place being the first crime scene. 281 00:15:48,240 --> 00:15:49,180 And we have checked 282 00:15:49,200 --> 00:15:50,340 all the dumping sites. 283 00:15:50,510 --> 00:15:51,770 There is no related 284 00:15:51,840 --> 00:15:52,850 bloodstain or weapon. 285 00:15:53,790 --> 00:15:55,530 This shows that these two sites 286 00:15:56,200 --> 00:15:57,180 were not the actual 287 00:15:57,200 --> 00:15:58,370 first scene of the case. 288 00:15:59,000 --> 00:16:00,010 It could also indicate 289 00:16:00,510 --> 00:16:01,940 that Liu Yuanyuan didn't do it. 290 00:16:02,870 --> 00:16:04,010 She might just be a smokescreen 291 00:16:04,080 --> 00:16:04,820 the murderer used 292 00:16:05,320 --> 00:16:06,460 to mislead us. 293 00:16:08,720 --> 00:16:10,060 Could it be a gang operation? 294 00:16:10,790 --> 00:16:11,940 That is possible. 295 00:16:12,790 --> 00:16:14,250 Based on the time the 296 00:16:14,270 --> 00:16:15,180 informants reported, 297 00:16:15,630 --> 00:16:17,530 the murderer completed all the 298 00:16:17,670 --> 00:16:18,770 dumping actions in a short 299 00:16:18,960 --> 00:16:20,370 period of time, even overnight. 300 00:16:20,910 --> 00:16:21,890 This also fits the theory 301 00:16:22,030 --> 00:16:23,010 of a group crime. 302 00:16:23,550 --> 00:16:24,180 Well, 303 00:16:24,550 --> 00:16:26,130 the places they chose 304 00:16:26,480 --> 00:16:27,130 to dump were 305 00:16:27,390 --> 00:16:28,250 under bridges, 306 00:16:28,720 --> 00:16:29,940 in small wooded areas in parks, 307 00:16:29,960 --> 00:16:31,220 or in abandoned factories. 308 00:16:31,390 --> 00:16:33,010 There weren't cameras at those places. 309 00:16:33,480 --> 00:16:35,340 This suggests 310 00:16:35,510 --> 00:16:36,820 the murderer carefully 311 00:16:37,240 --> 00:16:38,130 evaluated and selected 312 00:16:38,150 --> 00:16:39,250 these dumping sites. 313 00:16:39,550 --> 00:16:41,250 Could the hand and foot bones 314 00:16:41,750 --> 00:16:43,530 found by the couple on Beishan 315 00:16:44,670 --> 00:16:45,580 be the last part 316 00:16:45,600 --> 00:16:46,770 the murderer dumped? 317 00:16:47,720 --> 00:16:49,010 Otherwise, why burn the clothes? 318 00:16:49,910 --> 00:16:50,530 I remember the 319 00:16:50,550 --> 00:16:51,700 first security guard 320 00:16:52,390 --> 00:16:53,650 who reported seeing a figure. 321 00:16:53,960 --> 00:16:56,180 He thought he was exposed, 322 00:16:56,630 --> 00:16:57,770 so he burned the clothes 323 00:16:57,790 --> 00:16:58,610 after dumping the bodies? 324 00:16:59,600 --> 00:17:00,700 Like Wan just said, 325 00:17:00,720 --> 00:17:01,340 this is a tightly 326 00:17:01,440 --> 00:17:02,850 planned crime. 327 00:17:03,200 --> 00:17:04,220 The urgent task now 328 00:17:04,550 --> 00:17:05,570 is to find Liu Yuanyuan. 329 00:17:06,000 --> 00:17:07,570 Liu Yuanyuan lives 330 00:17:07,590 --> 00:17:09,140 in an old community. 331 00:17:09,440 --> 00:17:11,250 We only found a fragment 332 00:17:11,270 --> 00:17:12,900 of surveillance footage that remains. 333 00:17:13,270 --> 00:17:14,380 It shows 334 00:17:14,480 --> 00:17:15,420 that four days ago 335 00:17:15,750 --> 00:17:17,010 when she last appeared, 336 00:17:17,310 --> 00:17:18,250 she was wearing 337 00:17:18,510 --> 00:17:19,980 that red jacket and carrying 338 00:17:20,240 --> 00:17:21,290 a black shoulder bag. 339 00:17:21,550 --> 00:17:22,700 Liu Yuanyuan disappeared 340 00:17:22,830 --> 00:17:23,980 at the end of an alley 341 00:17:24,000 --> 00:17:24,570 in surveillance. 342 00:17:24,640 --> 00:17:25,330 The alley leads 343 00:17:25,480 --> 00:17:26,140 to a night market. 344 00:17:26,510 --> 00:17:28,380 There're no cameras in the night market. 345 00:17:28,720 --> 00:17:30,010 The market has many exits. 346 00:17:30,830 --> 00:17:31,620 These exits lead 347 00:17:31,640 --> 00:17:32,530 to main roads 348 00:17:32,680 --> 00:17:33,460 that do have cameras. 349 00:17:33,720 --> 00:17:35,010 If we want 350 00:17:35,070 --> 00:17:36,980 to find her last image, 351 00:17:37,440 --> 00:17:38,220 this investigation 352 00:17:38,270 --> 00:17:39,050 will be very difficult. 353 00:17:40,030 --> 00:17:40,860 This workload, 354 00:17:41,000 --> 00:17:42,810 even if we include the entire team 355 00:17:43,070 --> 00:17:43,570 or even all 356 00:17:43,590 --> 00:17:44,980 the officers in the district, 357 00:17:45,270 --> 00:17:46,530 would take about two weeks. 358 00:17:47,400 --> 00:17:48,420 Is it possible 359 00:17:48,750 --> 00:17:49,900 that Liu Yuanyuan never 360 00:17:49,920 --> 00:17:50,810 left the night market? 361 00:17:57,680 --> 00:17:58,890 Given the severity of the case, 362 00:17:58,910 --> 00:17:59,650 we've decided 363 00:18:00,030 --> 00:18:01,740 to establish a special task force 364 00:18:02,110 --> 00:18:04,290 to concentrate efforts on solving it. 365 00:18:04,480 --> 00:18:05,330 To improve efficiency, 366 00:18:05,510 --> 00:18:06,290 the bureau has decided 367 00:18:06,590 --> 00:18:07,980 to have Qi Sizhe join the task force 368 00:18:08,200 --> 00:18:08,980 to assist you. 369 00:18:09,240 --> 00:18:09,770 Yes. 370 00:18:16,350 --> 00:18:17,490 Hello, have you 371 00:18:17,640 --> 00:18:18,490 seen her before? 372 00:18:19,350 --> 00:18:19,980 No. 373 00:18:21,070 --> 00:18:21,860 Are you sure? 374 00:18:22,510 --> 00:18:23,380 Okay, thank you. 375 00:18:25,000 --> 00:18:25,810 Let's go check there. 376 00:18:38,590 --> 00:18:39,220 Hello, 377 00:18:39,830 --> 00:18:40,620 have you seen her before? 378 00:18:41,880 --> 00:18:42,530 No. 379 00:19:18,070 --> 00:19:18,700 Hello, 380 00:19:19,590 --> 00:19:20,490 have you seen her before? 381 00:19:21,070 --> 00:19:21,620 No. 382 00:19:21,830 --> 00:19:22,380 Do you know her? 383 00:19:23,000 --> 00:19:23,490 No. 384 00:19:24,270 --> 00:19:24,900 Thank you. 385 00:19:29,350 --> 00:19:29,810 Hello, 386 00:19:30,200 --> 00:19:31,250 have you seen her before? 387 00:19:35,270 --> 00:19:35,940 I've driven her before. 388 00:19:37,510 --> 00:19:38,090 Are you sure? 389 00:19:39,240 --> 00:19:39,980 Of course. 390 00:19:40,110 --> 00:19:41,980 She's incredibly stingy. 391 00:19:42,640 --> 00:19:44,050 We agreed on eight yuan. 392 00:19:44,240 --> 00:19:45,180 After I took her there, 393 00:19:45,240 --> 00:19:46,220 she only gave me five yuan. 394 00:19:47,000 --> 00:19:47,730 Liu Yuanyuan 395 00:19:47,750 --> 00:19:48,980 is usually very frugal 396 00:19:49,510 --> 00:19:50,290 and rarely takes taxis. 397 00:19:50,920 --> 00:19:52,140 Where did you take her? 398 00:19:53,590 --> 00:19:54,460 Who are you? 399 00:19:54,960 --> 00:19:55,660 We are... 400 00:19:56,000 --> 00:19:56,460 Here. 401 00:19:58,110 --> 00:19:58,900 We're not stingy. 402 00:20:01,830 --> 00:20:03,090 Take us to the place she's been. 403 00:20:04,720 --> 00:20:05,250 Take it. 404 00:20:34,240 --> 00:20:35,380 Call Ms. Zhu and Wan over. 405 00:20:35,640 --> 00:20:36,050 Okay. 406 00:20:56,400 --> 00:20:56,860 Stop. 407 00:20:58,110 --> 00:20:58,810 Rewind it a bit. 408 00:21:01,480 --> 00:21:02,090 Found her! 409 00:21:07,160 --> 00:21:08,700 Where did she go? 410 00:21:10,400 --> 00:21:11,250 There are many buildings. 411 00:21:11,480 --> 00:21:12,250 I'm not sure. 412 00:21:12,830 --> 00:21:13,730 Are there any other videos? 413 00:21:14,720 --> 00:21:15,530 Several buildings 414 00:21:15,550 --> 00:21:16,810 are currently under renovation. 415 00:21:16,960 --> 00:21:18,380 The cameras are being replaced. 416 00:21:18,640 --> 00:21:19,570 The place she went 417 00:21:20,000 --> 00:21:21,420 happened to be in the same direction. 418 00:21:21,640 --> 00:21:22,250 What a coincidence. 419 00:21:24,510 --> 00:21:25,460 Could this be the 420 00:21:25,750 --> 00:21:26,530 primary crime scene? 421 00:21:27,310 --> 00:21:28,090 The school is too big. 422 00:21:28,160 --> 00:21:29,290 We need time to investigate. 423 00:21:29,830 --> 00:21:30,290 Wan, 424 00:21:30,680 --> 00:21:32,050 go ask the school leaders 425 00:21:32,160 --> 00:21:32,860 to cooperate. 426 00:21:33,480 --> 00:21:35,090 Check if anyone else saw Liu Yuanyuan 427 00:21:35,310 --> 00:21:36,420 on the day she came in. 428 00:21:36,790 --> 00:21:37,250 Okay. 429 00:21:37,830 --> 00:21:38,380 Su, 430 00:21:38,880 --> 00:21:40,700 make a copy of all the 431 00:21:40,720 --> 00:21:42,090 video footage from the day 432 00:21:42,110 --> 00:21:42,940 Liu Yuanyuan 433 00:21:42,960 --> 00:21:43,770 disappeared until now. 434 00:21:44,070 --> 00:21:45,140 Then check with Li to see 435 00:21:45,270 --> 00:21:46,010 if there are any other 436 00:21:46,110 --> 00:21:46,860 videos of her. 437 00:21:47,200 --> 00:21:47,770 - Okay. - Ms. Zhu, 438 00:21:48,510 --> 00:21:49,660 let's go back to see 439 00:21:49,680 --> 00:21:50,810 if there are any new clues. 440 00:21:50,960 --> 00:21:51,420 Okay. 441 00:22:02,400 --> 00:22:03,330 The beef is here. 442 00:22:05,000 --> 00:22:05,460 Here you go. 443 00:22:08,960 --> 00:22:09,700 Thanks, Song. 444 00:22:16,830 --> 00:22:17,330 Mr. Qi, 445 00:22:17,750 --> 00:22:18,290 don't you think 446 00:22:18,310 --> 00:22:19,700 Song seems troubled lately? 447 00:22:20,480 --> 00:22:21,490 He hasn't said much 448 00:22:21,920 --> 00:22:22,860 the last two times we've come. 449 00:22:28,480 --> 00:22:29,090 Eat. 450 00:22:32,350 --> 00:22:32,900 Song. 451 00:22:33,640 --> 00:22:34,460 Two cut noodles. 452 00:22:36,160 --> 00:22:37,660 I was thinking of going back 453 00:22:37,880 --> 00:22:38,770 to the station to see 454 00:22:38,830 --> 00:22:39,900 if you'd made any new discoveries. 455 00:22:40,030 --> 00:22:40,810 But you're here. 456 00:22:41,720 --> 00:22:43,140 It's lunchtime. We have to eat. 457 00:22:43,350 --> 00:22:43,900 Okay. 458 00:22:45,240 --> 00:22:46,010 We can't 459 00:22:46,030 --> 00:22:46,660 figure out 460 00:22:46,720 --> 00:22:47,420 the bones. 461 00:22:47,880 --> 00:22:48,810 So we thought 462 00:22:48,830 --> 00:22:49,530 we'd come over 463 00:22:49,960 --> 00:22:50,620 to clear our heads. 464 00:22:50,720 --> 00:22:51,660 Maybe we'll figure it out. 465 00:22:52,960 --> 00:22:53,660 Why aren't you eating? 466 00:22:55,550 --> 00:22:56,290 No appetite. 467 00:22:58,720 --> 00:22:59,220 Mr. Qi. 468 00:23:00,160 --> 00:23:00,700 Mr. Gao. 469 00:23:09,160 --> 00:23:09,660 Mr. Han, 470 00:23:10,400 --> 00:23:11,250 we only found out 471 00:23:11,270 --> 00:23:12,090 that Liu Yuanyuan went 472 00:23:12,200 --> 00:23:13,220 to He City Medical University. 473 00:23:13,270 --> 00:23:14,460 But that school is too big. 474 00:23:14,960 --> 00:23:15,900 Surveillance isn't effective. 475 00:23:16,030 --> 00:23:17,660 We might need manual investigation 476 00:23:17,830 --> 00:23:19,010 to see if we can find something. 477 00:23:20,240 --> 00:23:21,220 Medical University? 478 00:23:23,960 --> 00:23:25,050 Why would she 479 00:23:25,070 --> 00:23:25,860 go there? 480 00:23:29,680 --> 00:23:30,490 Don't talk about work. 481 00:23:30,550 --> 00:23:31,330 Lunch first. 482 00:23:31,920 --> 00:23:32,380 Come on. 483 00:23:33,270 --> 00:23:34,250 You two have 484 00:23:34,720 --> 00:23:35,940 to try this braised beef. 485 00:23:36,640 --> 00:23:37,330 Why? 486 00:23:37,680 --> 00:23:38,620 This is a must-eat dish 487 00:23:38,640 --> 00:23:39,050 for medical 488 00:23:39,070 --> 00:23:40,010 and law students. 489 00:23:40,350 --> 00:23:41,530 At our first anatomy class, 490 00:23:42,070 --> 00:23:43,420 we saw all the human organs 491 00:23:43,510 --> 00:23:44,490 and skin tissues 492 00:23:44,510 --> 00:23:45,700 soaked in formalin. 493 00:23:46,030 --> 00:23:46,810 It's the same way they make 494 00:23:46,830 --> 00:23:47,460 braised beef. 495 00:23:47,830 --> 00:23:48,700 So after class, 496 00:23:48,720 --> 00:23:50,140 our professor would take us for braised beef. 497 00:23:50,510 --> 00:23:52,180 Anyone who threw up 498 00:23:52,480 --> 00:23:53,620 would fail the course. 499 00:23:56,240 --> 00:23:56,810 Gao Yuan. 500 00:23:57,550 --> 00:23:58,460 What did you just say? 501 00:24:00,510 --> 00:24:01,700 I said we used to eat braised beef 502 00:24:02,110 --> 00:24:03,140 after anatomy class. 503 00:24:09,920 --> 00:24:10,770 I know why now. 504 00:24:11,720 --> 00:24:12,900 I know why DNA can't be 505 00:24:12,920 --> 00:24:13,570 extracted 506 00:24:13,590 --> 00:24:14,380 from bones, and why 507 00:24:14,550 --> 00:24:16,050 there's phenolic resin. 508 00:24:20,270 --> 00:24:21,180 There's another possibility. 509 00:24:26,400 --> 00:24:27,220 These skeletal remains, 510 00:24:27,240 --> 00:24:28,250 from which no DNA could be extracted, 511 00:24:28,590 --> 00:24:30,090 showed no signs of insect 512 00:24:30,110 --> 00:24:31,460 or microbial erosion, 513 00:24:31,920 --> 00:24:33,050 nor any trace 514 00:24:33,070 --> 00:24:34,810 of natural decomposition. 515 00:24:35,720 --> 00:24:37,530 The murderer used some solution 516 00:24:37,920 --> 00:24:38,810 to dissolve the flesh 517 00:24:38,830 --> 00:24:40,180 and skin on the bones. 518 00:24:40,720 --> 00:24:42,570 Therefore, we initially assumed 519 00:24:43,000 --> 00:24:43,810 these were recently 520 00:24:43,830 --> 00:24:45,090 murdered victims. 521 00:24:45,720 --> 00:24:46,180 Yes. 522 00:24:46,510 --> 00:24:47,660 Because someone did indeed 523 00:24:47,880 --> 00:24:49,140 dissolve the flesh and skin. 524 00:24:49,550 --> 00:24:50,290 But they didn't just 525 00:24:50,550 --> 00:24:51,900 separate the flesh and skin. 526 00:24:52,270 --> 00:24:52,980 They also chemically 527 00:24:53,000 --> 00:24:54,010 treated the remains. 528 00:24:54,440 --> 00:24:55,380 You have any ideas? 529 00:24:56,070 --> 00:24:56,860 I think 530 00:24:57,110 --> 00:24:57,900 these remains 531 00:24:58,270 --> 00:24:59,180 aren't the bones 532 00:24:59,200 --> 00:25:00,290 of victims at all. 533 00:25:02,270 --> 00:25:02,980 They are specimens. 534 00:25:03,720 --> 00:25:04,330 Specimens? 535 00:25:05,200 --> 00:25:06,220 That's why there's 536 00:25:06,240 --> 00:25:07,420 phenolic resin on the bones? 537 00:25:09,640 --> 00:25:10,700 Formaldehyde and phenol 538 00:25:10,960 --> 00:25:11,940 undergo condensation polymerization. 539 00:25:12,240 --> 00:25:13,570 The resulting compound 540 00:25:13,920 --> 00:25:15,420 is the phenolic resin 541 00:25:15,590 --> 00:25:17,220 we find on the bone surface. 542 00:25:17,720 --> 00:25:18,770 You mean 543 00:25:18,790 --> 00:25:19,900 this yellow powder 544 00:25:20,000 --> 00:25:21,330 wasn't attached 545 00:25:21,480 --> 00:25:22,220 at the crime scene 546 00:25:22,480 --> 00:25:23,860 but rather formed by the murderer 547 00:25:23,920 --> 00:25:25,380 simultaneously using these two 548 00:25:25,510 --> 00:25:26,330 substances on the bones, 549 00:25:26,550 --> 00:25:27,860 creating phenolic resin? 550 00:25:28,030 --> 00:25:28,530 That's right. 551 00:25:28,920 --> 00:25:31,220 If formaldehyde is prepared 552 00:25:31,680 --> 00:25:32,700 as an aqueous solution, 553 00:25:32,720 --> 00:25:34,380 at a concentration of 37% to 40%, 554 00:25:35,030 --> 00:25:35,900 it becomes formalin. 555 00:25:37,110 --> 00:25:37,940 And this explains 556 00:25:37,960 --> 00:25:38,900 the question 557 00:25:39,240 --> 00:25:40,090 I've been 558 00:25:40,110 --> 00:25:41,220 struggling with. 559 00:25:41,440 --> 00:25:42,180 Why we couldn't 560 00:25:42,200 --> 00:25:43,090 extract DNA 561 00:25:43,960 --> 00:25:44,420 from the 562 00:25:44,440 --> 00:25:45,460 skeletal remains. 563 00:25:47,550 --> 00:25:49,090 All the skeletal remains we found 564 00:25:49,510 --> 00:25:50,860 were human specimens 565 00:25:50,880 --> 00:25:52,140 soaked in formalin, right? 566 00:25:52,640 --> 00:25:53,090 Yes. 567 00:25:54,030 --> 00:25:55,490 The DNA structure of specimens 568 00:25:55,510 --> 00:25:56,250 soaked in formalin 569 00:25:56,680 --> 00:25:57,290 for a long time 570 00:25:57,310 --> 00:25:58,090 is destroyed. 571 00:25:59,030 --> 00:26:00,420 This also explains 572 00:26:00,880 --> 00:26:02,380 why the surface of these bones 573 00:26:02,880 --> 00:26:03,620 hasn't undergone the 574 00:26:03,680 --> 00:26:05,770 natural erosion process of osteoclastic resorption. 575 00:26:13,550 --> 00:26:15,940 The murderer used the chemical reaction 576 00:26:16,270 --> 00:26:19,050 between these two substances 577 00:26:20,070 --> 00:26:21,770 removing any formalin residue, 578 00:26:22,110 --> 00:26:24,980 and then disposed of these bones. 579 00:26:26,310 --> 00:26:26,980 His purpose was 580 00:26:27,400 --> 00:26:28,490 to keep us in the dark 581 00:26:28,510 --> 00:26:29,010 about where the 582 00:26:29,030 --> 00:26:29,900 remains came from. 583 00:26:30,200 --> 00:26:32,250 The murderer's random disposal 584 00:26:32,590 --> 00:26:33,730 was the first layer of defense. 585 00:26:34,510 --> 00:26:36,090 When we found these remains, 586 00:26:36,400 --> 00:26:38,050 his complex operations served 587 00:26:38,400 --> 00:26:38,940 as the second 588 00:26:39,000 --> 00:26:40,090 layer of defense. 589 00:26:40,640 --> 00:26:41,490 This made us not think 590 00:26:41,510 --> 00:26:42,940 that these were human specimens, 591 00:26:43,110 --> 00:26:44,010 leading us to believe 592 00:26:44,310 --> 00:26:45,770 that these were recent victims. 593 00:26:47,270 --> 00:26:48,140 If this is the case, 594 00:26:48,790 --> 00:26:50,090 does it mean there were no victims? 595 00:26:50,720 --> 00:26:52,530 The murderer used such a complex 596 00:26:52,590 --> 00:26:53,530 method to mislead us. 597 00:26:54,000 --> 00:26:54,940 He must have something 598 00:26:54,960 --> 00:26:55,860 he wanted to cover up. 599 00:26:57,480 --> 00:26:58,660 Where were these human specimens 600 00:26:59,030 --> 00:26:59,770 supposed to be? 601 00:27:02,200 --> 00:27:02,940 Medical University. 602 00:27:22,830 --> 00:27:23,330 Mr. Han! 603 00:27:24,000 --> 00:27:24,810 This is the head 604 00:27:24,830 --> 00:27:25,490 of security. 605 00:27:25,510 --> 00:27:25,860 Hello. 606 00:27:25,920 --> 00:27:26,620 Hello, Mr. Han. 607 00:27:27,070 --> 00:27:27,660 Welcome. 608 00:27:28,070 --> 00:27:29,330 This is the specimen building? 609 00:27:29,480 --> 00:27:29,980 Yes. 610 00:27:30,550 --> 00:27:31,570 It was the laboratory building. 611 00:27:32,030 --> 00:27:33,010 After a new building was built, 612 00:27:33,030 --> 00:27:33,770 this place was abandoned. 613 00:27:34,400 --> 00:27:35,250 Only one room was left 614 00:27:35,270 --> 00:27:35,980 as the specimen room. 615 00:27:36,350 --> 00:27:38,220 Is there surveillance around here? 616 00:27:38,400 --> 00:27:39,380 Who would come here? 617 00:27:39,680 --> 00:27:40,660 Because there aren't 618 00:27:40,680 --> 00:27:41,220 any valuables here, 619 00:27:41,400 --> 00:27:42,380 the cameras haven't been 620 00:27:42,400 --> 00:27:43,620 replaced since they broke. 621 00:27:43,960 --> 00:27:44,810 Only the administrator 622 00:27:44,830 --> 00:27:45,620 has the key to the 623 00:27:45,640 --> 00:27:46,220 specimen room. 624 00:27:46,920 --> 00:27:48,010 Not many people come here. 625 00:27:50,640 --> 00:27:51,460 He's the security guard. 626 00:27:52,160 --> 00:27:53,250 Just one security guard? 627 00:27:53,440 --> 00:27:53,900 Yes, 628 00:27:54,110 --> 00:27:54,940 he works during the day. 629 00:27:55,240 --> 00:27:56,290 The door is locked at night. 630 00:27:56,830 --> 00:27:57,490 Liu. 631 00:27:58,550 --> 00:27:59,660 They are police officers. 632 00:27:59,880 --> 00:28:00,420 Hello. 633 00:28:00,480 --> 00:28:01,380 Have you seen her before? 634 00:28:07,270 --> 00:28:07,940 No. 635 00:28:08,240 --> 00:28:08,660 Are you sure? 636 00:28:08,750 --> 00:28:09,180 Yes. 637 00:28:10,070 --> 00:28:10,700 Thank you. 638 00:28:13,030 --> 00:28:13,570 Ms. Zhu, 639 00:28:14,510 --> 00:28:16,330 I'll take Mr. Qi inside to take a look. 640 00:28:16,750 --> 00:28:17,660 You and Wan, go check 641 00:28:17,680 --> 00:28:18,770 if there are any other exits. 642 00:28:20,000 --> 00:28:20,380 This way. 643 00:28:30,640 --> 00:28:31,660 How could there be any 644 00:28:31,680 --> 00:28:32,700 missing specimens here? 645 00:28:33,270 --> 00:28:34,460 Although there's one security guard, 646 00:28:34,880 --> 00:28:35,940 we have always maintained 647 00:28:35,960 --> 00:28:36,940 strict management. 648 00:28:36,960 --> 00:28:37,380 Yes. 649 00:28:37,550 --> 00:28:38,770 This area is my responsibility. 650 00:28:39,000 --> 00:28:41,090 If anything's missing, I'll be expelled. 651 00:28:41,160 --> 00:28:41,620 Come on. 652 00:28:42,110 --> 00:28:42,570 Okay. 653 00:28:52,750 --> 00:28:53,380 Be careful. 654 00:29:15,880 --> 00:29:16,660 I'll go over there. 655 00:29:18,400 --> 00:29:18,940 Xiaoxi, 656 00:29:19,200 --> 00:29:19,770 go check if there 657 00:29:19,790 --> 00:29:20,660 are any cameras. 658 00:29:20,920 --> 00:29:22,010 Okay. Be careful. 659 00:29:47,640 --> 00:29:48,730 Are there only five body donors here? 660 00:29:49,000 --> 00:29:49,530 Yes. 661 00:29:50,310 --> 00:29:50,860 Mr. Han. 662 00:29:52,160 --> 00:29:53,050 All the specimens are here, 663 00:29:53,200 --> 00:29:54,010 and they all match the records. 664 00:29:54,720 --> 00:29:56,090 The most recent return dates 665 00:29:56,240 --> 00:29:56,940 are all over a year ago. 666 00:29:57,680 --> 00:29:58,490 Is this the only 667 00:29:58,510 --> 00:29:59,620 specimen room? 668 00:29:59,790 --> 00:30:00,180 Yes, 669 00:30:00,350 --> 00:30:01,090 only this one. 670 00:30:01,590 --> 00:30:03,420 Is there anywhere else in He City 671 00:30:03,640 --> 00:30:04,420 besides here to store 672 00:30:04,440 --> 00:30:05,620 human specimens? 673 00:30:06,790 --> 00:30:07,530 No. 674 00:30:20,480 --> 00:30:21,050 Su. 675 00:30:22,480 --> 00:30:23,380 You just said the 676 00:30:23,960 --> 00:30:24,700 most recent return 677 00:30:25,110 --> 00:30:26,460 record for these specimens 678 00:30:26,680 --> 00:30:27,980 is over a year ago? 679 00:30:41,830 --> 00:30:43,090 But these specimen jars 680 00:30:43,510 --> 00:30:44,730 were recently moved. 681 00:30:52,480 --> 00:30:52,940 Su, 682 00:30:53,200 --> 00:30:54,220 find out what's going on. 683 00:30:54,790 --> 00:30:56,090 Then call the technical department. 684 00:30:56,270 --> 00:30:56,700 Okay. 685 00:30:58,240 --> 00:30:59,250 Come on, come with me. 686 00:31:00,200 --> 00:31:00,700 Lead the way. 687 00:31:32,440 --> 00:31:33,090 Officer, 688 00:31:33,790 --> 00:31:35,010 what exactly happened? 689 00:31:35,480 --> 00:31:36,570 I only have this one key. 690 00:31:37,310 --> 00:31:38,250 I always carry it with me. 691 00:31:38,960 --> 00:31:39,980 I even take it with me 692 00:31:40,590 --> 00:31:41,330 to the bathroom. 693 00:31:42,440 --> 00:31:43,220 I really don't know 694 00:31:43,790 --> 00:31:44,490 how the specimens 695 00:31:44,510 --> 00:31:45,570 could have been moved. 696 00:31:47,270 --> 00:31:48,250 You sit here every day? 697 00:31:49,880 --> 00:31:50,290 There's only 698 00:31:50,310 --> 00:31:51,220 one entrance. 699 00:31:51,240 --> 00:31:51,810 You should know 700 00:31:51,830 --> 00:31:52,660 who comes in. 701 00:31:53,160 --> 00:31:53,900 Did they register? 702 00:31:54,880 --> 00:31:55,460 Actually, 703 00:31:56,750 --> 00:31:57,810 I've always been here. 704 00:32:03,750 --> 00:32:04,330 Sitting here 705 00:32:04,830 --> 00:32:05,620 or lying down? 706 00:32:08,960 --> 00:32:09,620 Hey, 707 00:32:10,000 --> 00:32:11,770 what can you see like this? 708 00:32:12,400 --> 00:32:13,460 The logistics department 709 00:32:13,790 --> 00:32:14,770 has taken all the keys. 710 00:32:15,880 --> 00:32:16,810 Only the specimen room 711 00:32:16,830 --> 00:32:17,460 key is with me. 712 00:32:17,720 --> 00:32:20,290 If someone comes to borrow a specimen or a cadaver, 713 00:32:20,440 --> 00:32:22,380 they'll bring an approval slip. 714 00:32:22,750 --> 00:32:23,810 Then I take them there. 715 00:32:24,200 --> 00:32:25,570 No one comes at other times. 716 00:32:28,880 --> 00:32:29,660 This is the approval slip? 717 00:32:33,880 --> 00:32:35,290 Quite a few people came here. 718 00:32:35,960 --> 00:32:37,050 They're all teachers and students. 719 00:32:37,510 --> 00:32:39,140 Seven or eight a day. 720 00:32:40,030 --> 00:32:40,620 Do they notify 721 00:32:40,640 --> 00:32:41,570 you beforehand? 722 00:32:42,030 --> 00:32:42,530 No. 723 00:32:43,480 --> 00:32:44,660 Just bring the approval slip. 724 00:32:46,400 --> 00:32:47,730 Okay, I got it. 725 00:32:48,720 --> 00:32:49,700 I'll take this. 726 00:32:51,790 --> 00:32:52,770 Anything else? 727 00:32:53,200 --> 00:32:54,050 No. 728 00:33:09,960 --> 00:33:10,570 Mr. Qi, 729 00:33:10,960 --> 00:33:11,980 judging from their size, 730 00:33:12,350 --> 00:33:13,090 these body parts all 731 00:33:13,480 --> 00:33:14,730 come from the same corpse. 732 00:33:15,480 --> 00:33:16,380 But the only missing 733 00:33:16,400 --> 00:33:17,220 piece is her head. 734 00:33:18,240 --> 00:33:19,290 It's now confirmed 735 00:33:19,920 --> 00:33:20,490 that the murderer 736 00:33:20,720 --> 00:33:22,660 first killed and dismembered the victim, 737 00:33:23,110 --> 00:33:24,090 replacing the body parts with those 738 00:33:24,110 --> 00:33:24,900 in the specimen room. 739 00:33:25,750 --> 00:33:27,660 Then, he disposed of the specimen room parts, 740 00:33:28,000 --> 00:33:28,900 leaving the remains, 741 00:33:29,680 --> 00:33:30,810 which he scattered in various locations. 742 00:33:31,680 --> 00:33:32,530 I noticed 743 00:33:33,200 --> 00:33:34,660 that all the cuts on the body parts 744 00:33:34,960 --> 00:33:35,900 are very clean. 745 00:33:38,480 --> 00:33:39,730 They were made at the bone joints. 746 00:33:40,590 --> 00:33:41,180 It seems the murderer 747 00:33:41,790 --> 00:33:42,980 had a considerable understanding 748 00:33:43,240 --> 00:33:44,010 of human anatomy 749 00:33:44,720 --> 00:33:45,980 and anatomical knowledge. 750 00:33:46,960 --> 00:33:48,330 However, we didn't find any 751 00:33:48,920 --> 00:33:50,180 fatal wounds on the body. 752 00:33:55,790 --> 00:33:56,860 There's redness at the ankle. 753 00:34:00,590 --> 00:34:01,180 But the body 754 00:34:01,200 --> 00:34:02,290 was soaked in formalin. 755 00:34:02,830 --> 00:34:03,460 We can't determine 756 00:34:04,350 --> 00:34:05,090 the cause of this 757 00:34:05,160 --> 00:34:06,220 at the moment. 758 00:34:07,160 --> 00:34:07,660 Well, 759 00:34:08,110 --> 00:34:09,860 let's perform tissue separation on the 760 00:34:10,070 --> 00:34:11,210 legs and try to extract DNA. 761 00:34:11,710 --> 00:34:12,170 Okay. 762 00:34:38,280 --> 00:34:39,210 Okay, got it. 763 00:34:41,400 --> 00:34:41,900 Mr. Han, 764 00:34:42,190 --> 00:34:42,690 we checked 765 00:34:42,710 --> 00:34:43,530 Liu Yuanyuan's call records 766 00:34:43,550 --> 00:34:44,460 and social connections. 767 00:34:44,800 --> 00:34:45,340 She had no contact 768 00:34:45,360 --> 00:34:46,170 with that guard. 769 00:34:46,920 --> 00:34:47,490 Mr. Han. 770 00:34:48,760 --> 00:34:49,340 What did you find? 771 00:34:51,670 --> 00:34:52,340 There's a section of 772 00:34:52,400 --> 00:34:53,780 wire mesh at the southeast corner 773 00:34:54,000 --> 00:34:54,900 behind the specimen building. 774 00:34:54,920 --> 00:34:55,740 We found a torn hole. 775 00:34:56,280 --> 00:34:57,650 But judging from the rust, 776 00:34:57,920 --> 00:34:59,090 it wasn't done recently. 777 00:35:00,000 --> 00:35:01,130 After our investigation, 778 00:35:01,360 --> 00:35:02,610 we found that if Liu Yuanyuan 779 00:35:02,710 --> 00:35:03,490 really did commit murder 780 00:35:03,590 --> 00:35:04,570 and dismemberment at the school, 781 00:35:05,030 --> 00:35:06,380 she could only have done it in the specimen room. 782 00:35:06,800 --> 00:35:07,530 But currently, 783 00:35:07,800 --> 00:35:08,780 we have no evidence 784 00:35:09,000 --> 00:35:10,420 to prove she went to the specimen room. 785 00:35:11,360 --> 00:35:12,690 Before they moved, 786 00:35:12,710 --> 00:35:13,650 all the keys were given 787 00:35:13,670 --> 00:35:14,570 to the logistics department. 788 00:35:15,030 --> 00:35:15,900 We just checked. 789 00:35:16,230 --> 00:35:17,050 The only place she could 790 00:35:17,400 --> 00:35:18,340 go was the specimen room. 791 00:35:19,840 --> 00:35:20,690 That doesn't make sense. 792 00:35:21,110 --> 00:35:21,820 It's also possible 793 00:35:21,840 --> 00:35:23,050 that she committed 794 00:35:23,510 --> 00:35:24,210 the murder outside, 795 00:35:24,230 --> 00:35:25,090 brought the body parts in, 796 00:35:25,360 --> 00:35:26,570 and then had the guard switch them. 797 00:35:27,070 --> 00:35:28,570 But Liu Yuanyuan didn't seem 798 00:35:28,760 --> 00:35:30,300 to be avoiding the cameras. 799 00:35:30,960 --> 00:35:31,940 If her bag really 800 00:35:31,960 --> 00:35:33,090 contained body parts, 801 00:35:33,630 --> 00:35:34,650 she should have avoided them. 802 00:35:48,320 --> 00:35:49,090 Have you got the results? 803 00:35:50,670 --> 00:35:52,010 The DNA of missing persons 804 00:35:52,030 --> 00:35:52,860 and bone fragments 805 00:35:53,190 --> 00:35:53,900 didn't match. 806 00:35:54,760 --> 00:35:55,490 The leg tissue 807 00:35:55,550 --> 00:35:56,210 results are out? 808 00:35:58,030 --> 00:35:58,980 The victim had arthritis. 809 00:36:00,760 --> 00:36:01,490 Arthritis? 810 00:36:10,280 --> 00:36:12,010 Notify the technical department 811 00:36:12,190 --> 00:36:13,170 to go to her house to collect 812 00:36:13,190 --> 00:36:13,820 her fingerprints 813 00:36:13,840 --> 00:36:14,690 and DNA samples. 814 00:36:15,400 --> 00:36:16,690 Bring back everything 815 00:36:16,920 --> 00:36:17,530 she used before. 816 00:36:20,030 --> 00:36:20,650 Was there a bottle 817 00:36:20,670 --> 00:36:21,940 of painkillers 818 00:36:22,400 --> 00:36:23,170 for arthritis among the 819 00:36:23,190 --> 00:36:23,980 medicine bottles 820 00:36:24,000 --> 00:36:24,740 Ms. Zhu collected? 821 00:36:27,320 --> 00:36:27,860 Yes. 822 00:36:30,800 --> 00:36:31,490 There is one person's DNA 823 00:36:32,230 --> 00:36:33,260 that we have not compared. 824 00:36:43,630 --> 00:36:45,050 We have the surveillance footage. 825 00:36:45,280 --> 00:36:45,820 Okay. Get in. 826 00:36:54,550 --> 00:36:55,650 The body parts in the 827 00:36:56,190 --> 00:36:57,570 specimen room have confirmed. 828 00:37:03,920 --> 00:37:04,860 It's Liu Yuanyuan's. 829 00:37:25,190 --> 00:37:26,980 The murderer hid the body in a specimen. 830 00:37:27,000 --> 00:37:28,860 The specimen room is likely the primary crime scene. 831 00:37:30,630 --> 00:37:31,460 Who are you? 832 00:37:31,510 --> 00:37:32,820 What are you doing in my office? 833 00:37:32,880 --> 00:37:35,260 You wanted to use Liu Yuanyuan for live experiments. 834 00:37:35,400 --> 00:37:36,860 So you hid her head? 835 00:37:37,070 --> 00:37:37,650 Got it. 836 00:37:38,110 --> 00:37:39,460 Since you found out, 837 00:37:39,590 --> 00:37:40,260 I confess. 838 00:37:40,440 --> 00:37:41,460 He confessed? 839 00:37:41,630 --> 00:37:43,170 Not many people know about this. 840 00:37:43,360 --> 00:37:44,570 They're from Medical University. 841 00:37:44,630 --> 00:37:45,490 Someone was helping him. 842 00:37:45,670 --> 00:37:46,900 I found the information on Ding Youmei 843 00:37:46,920 --> 00:37:47,820 you mentioned. 844 00:37:47,840 --> 00:37:49,650 She's now also an assistant at He City 845 00:37:49,760 --> 00:37:50,570 Medical University. 846 00:37:50,710 --> 00:37:51,380 I've seen Li Ming 847 00:37:51,440 --> 00:37:52,210 wear this watch. 848 00:37:52,230 --> 00:37:52,940 Wake up. 849 00:37:52,960 --> 00:37:54,940 Not everyone's connected to Raw Diamond. 850 00:37:54,960 --> 00:37:56,050 Do your job.