1162 lines
30 KiB
Markdown
1162 lines
30 KiB
Markdown
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Aren't you a forensic? What brings you to our squad? What's your connections to the Raw Diamond case?
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None. Then why'd you show up at the trading spot?
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Answer me! Why did you come here?
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Not just me. Anyone here, and even anyone Lanzi might have met after she left,
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could be the killer. We're gonna check
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every suspect. But right now, you're our prime suspect.
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In the autopsy report, was there any erosive bleeding?
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Or any foreign objects in Lanzi's stomach?
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Please go ahead. You've got a person dead from cyanide poisoning,
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but you can't figure out when or where the poison got slipped to her?
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It means the poison was already in her body.
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You mean there's no killer? Qiu Lanzi poisoned and killed herself?
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You found my fingerprints on that bottle of water. But it's because
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that one wasn't for Lanzi.
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Ms. Zhu! Ms. Zhu, what did Mr. Qi say? He thinks the cyanide
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was already in Qiu Lanzi's body. How did he know? The report was turned in just now.
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Have you heard of remote case-solving? It's to find out the truth by analyzing crime scenes
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and examining bodies without physical presence. Only a few forensic doctors can do this,
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and Qi Sizhe is one of them.
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Gao Yuan. Check the stuff he used in the lab. Then compare them with that bottle of water.
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Okay. I go with you.
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Did you transfer here because of what happened before?
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You followed Jiang Fei, went to the bar, and visited Li Yiqi in the hospital.
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What do you wanna do? I've told you. That's not truth.
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Han Feng. You really think I'd kill a forensic intern
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I just met?
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You know very well it couldn't be me. What I think matters not.
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Figuring out the truth matters.
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Since he's helping with the case, maybe you could clue him in on some of the stuff we've dug up,
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just enough to speed things along and catch the killer faster.
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Okay. Mr. Gao. Please test Mr. Qi's water
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and effervescent tablets. Tell us what you find out. Okay. Thank you.
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Mr. Han. Ms. Zhu. The results come out. The report shows each of their saliva
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in the other's water. So Qiu Lanzi took his water by mistake.
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Yes. The water Lanzi drank should be Mr. Qi's soda water. And in Mr. Qi's bag
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was just mineral water. Okay.
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Gotta go.
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Mr. Han. Ms. Zhu.
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I've sure you've known why my fingerprints were on that bottle of water.
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I wanna know why you said the cyanide was already in Qiu Lanzi's body.
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I think Lanzi was usually on meds.
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We did find some stomach meds in her bag. What meds? Omeprazole.
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What else did the autopsy find? Found two drug capsules in her stomach. The shells looked melted,
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and one of them had cracked open. Last question.
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How many pills are left in her medicine bottle? Just one.
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I think I know how Lanzi was murdered. Lanzi's stomach med, omeprazole, is an enteric-coated capsule.
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It's designed to pass through the stomach without breaking down in the acid, then get absorbed
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in the intestines where things are more alkaline. However, it was found in her stomach.
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Why? Qiu Lanzi took your water by mistake. It was soda water,
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making the capsule dissolve quicker. The coating on the capsules is slow-release,
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so they should start working within 4 to 12 hours. But she drank soda, and that cut the time
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way short. So the cyanide was hidden in Lanzi's stomach med capsules.
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One of the two capsules in her stomach had cracked open.
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The killer must've noticed it too when slipping cyanide into the capsules. Once the capsule coating
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gets partly dissolved by the soda, the cyanide inside comes into contact with the stomach lining.
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The corrosive poison will definitely cause erosive bleeding in there.
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How to prove it? There's still one pill left in her medicine bottle.
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Su.
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I'm sorry, Ms. Zhao. The cooperation with He City is about to end, and you're going abroad. Sorry we have to call you back.
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It's fine. I'll be there if you need me. So what happened? What do you want me to check?
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Mr. Qi figured the victim might take omeprazole capsules laced with cyanide, but then drank soda by accident.
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That made the capsule dissolve in the stomach instead of the intestines. We've found the capsules in her stomach.
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So we need you here to test one last pill in the victim's medicine bottle.
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I got this. Thank you.
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How is it? Ms. Zhao is testing the pill. It needs some time.
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Cross-check all the evidence and don't miss any details. I'll wait here. Okay.
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The dosage of omeprazole is three pills a day, one in the morning and two in the evening.
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If the killer wanted to make sure Lanzi died that very night, he must've made certain
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at least one of the two pills she took was poisoned.
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If he only poisoned one pill, Lanzi might not take it until the second morning.
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That's a one-in-three chance. But if he poisoned three pills, then there'd always be
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one poisoned pill left as evidence. So, poisoning exactly
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two pills was the sweet spot. But if Qiu Lanzi
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took both the poisoned ones, we couldn't find anything in the left one as evidence.
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She's got a one-in-three chance of swallowing both poisoned pills, which means
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the killer only has that same shot at not leaving evidence in the medicine.
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So we're just gambling on the last one.
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We've got the result. The pill indeed contains cyanide, same as Mr. Qi supposed.
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Mr. Qi, you're off the hook for now. You can go.
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Ms. Zhu. I wanna help with the case and find out Lanzi's murderer.
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And, something's off with Jiang Fei's autopsy report.
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I'm afraid you gotta stay outta Jiang Fei and Qiu Lanzi's case.
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I wanna see Jiang Fei's autopsy report. You're not the only forensic here. You don't gotta handle every single case.
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Come in. Mr. Bai.
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Qi Sizhe is off the hook now? Yes. And he found out how Qiu Lanzi died?
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Qi Sizhe is a brilliant forensic doctor. And he's quite reasonable.
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So he won't blame you for the necessity of your interrogation of him.
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Mr. Bai. Do you know about his past?
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He had a severe car accident. And I thought we'd lose a talented forensic doctor.
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But I never thought he'd manage to hit rehab milestones in just a year that usually
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take others three to five years. You can imagine how much this position means to him.
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But he's quite stubborn. So is Han Feng. Among you three,
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you're the calmest and most rational one. So I hope you can get them together
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and handle cases.
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Where's Xi? I had her check 788 Bar's security footage. I still have some doubts.
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We found the cyanide in Qiu Lanzi's stomach meds. The killer could
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get close to her and switch her meds. So it could be someone she knew all along.
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Qiu Lanzi said something was off with Jiang Fei's body. Ask Mr. Gao to check his autopsy report again.
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Su. Dig deeper into the social circles around Qiu Lanzi, Jiang Fei, and Li Yiqi,
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especially Qiu Lanzi's connections. Okay. Mr. Han. Anything to add?
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Nothing, for now.
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Xi, got anything? Yeah. Half a month before Li Yiqi's case,
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Mr. Qi showed up at 788 Bar quite a few times. I cross-checked a few security footages. Every time Mr. Qi showed up,
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Jiang Fei was there too. Looks like Mr. Qi was following Jiang Fei.
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Ms. Zhu. Here's Qi Sizhe's info. He had a severe
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accident two years ago. A woman riding in his car died on the spot.
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Ms. Zhu. Anything wrong with him? Get back to work. Yes.
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Why did you come? Why did you follow Li Yiqi and Jiang Fei?
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You know why. 'Cause it's related to Fei's death.
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Raw Diamond...
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You came for the Raw Diamond case. Jiang Fei's death isn't an accident.
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It's a murder.
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His body was found at 11:30 or so in the morning. It's the same as room temperature,
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22 degrees. He's got these little square marks on his chest, bright red.
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And the lividity on the side of the body is all patchy, dark red. Any problems? The bright red lividity
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doesn't match the estimated time of death, and the body's cooling rate is way off. There are two possibilities.
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First, the killer was trying to mess with the time of death. Second, the way the murder was done
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messed with the body's temperature. And I think the second one's way more likely.
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So my guess is, Jiang Fei probably... Froze to death?
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At his own home? But his place doesn't have such an environment. There is one.
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No way. It's too small.
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If the killer stuffed Jiang Fei into the fridge, there gotta be
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a lot of scratches and marks on Jiang Fei's body. But so far, there aren't any
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such marks on the body. Only lividity. Lividity is the marks formed by blood
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due to gravity at the dripping points. Jiang Fei was lying on his side when he died.
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So, the lividity should only have formed on the side. But look here.
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There are bright red marks on Jiang Fei's chest. Also, when Jiang Fei died,
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his clothes were all wrinkled. His clothes look like they got wet and then dried off...
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His fingers and toes were all wrinkled, a result of prolonged soaking in water
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and osmosis. Jiang Fei was always a slob, so it's no wonder his clothes were wrinkled.
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When we found the body, there was water at the bottom of the bathtub. The wrinkles on his skin were probably caused by soaking in the water.
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Well, going by your logic, his fingers and toes shouldn't have gotten wrinkly since they haven't touched
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the water at the bottom of the tub. But turns out that's not what happened.
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So Jiang Fei didn't freeze to death in a freezer, but in the...
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In the bathtub.
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The window in Jiang Fei's bathroom has always been open.
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When the body was found, the ice had already melted, but there were frostbite
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marks on the body. The bright red mark on his chest is
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the best proof. This is also caused by the failure of
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various organs at low temperatures.
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Judging from the traces at the scene, everything matches what Mr. Qi said.
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Got it. Han Feng.
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Are you buying that Jiang Fei's death wasn't an accident but murder now?
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If Mr. Qi's reasoning holds up, we gotta check this place for any signs of
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a second person. Search more thoroughly.
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I wanna learn more from you and become a great forensic doctor like you!
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Ms. Zhu. Any progress in Jiang Fei's case?
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You've been cleared of suspicion. So why still look into Jiang Fei? I know you're really concerned about Jiang Fei's case
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and Li Yiqi's case. I also know you can lead us closer to the truth.
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But so far, you haven't explained the coincidences of your appearance
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in these two cases. And this time,
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why did you go to investigate Jiang Fei alone?
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I want you to answer my question. And I'm not gonna answer any questions related to this case
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until I trust you. Ms. Zhu.
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I'm a forensic doctor. When someone dies, only forensic doctors can tell what they
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went through before they died. And I believe whoever it is,
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even drug dealers like Jiang Fei, they all deserve the truth.
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I saw the possibility of homicide in Jiang Fei's case. So I gotta figure out the truth.
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But he's quite stubborn. So is Han Feng.
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So I hope you can get them together and handle cases.
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So Jiang Fei died a little after 4 am? Yes.
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If he froze to death, his body temperature was lower than normal. So the time it takes to cool down
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would be shorter. Mr. Han.
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Mr. Qi inferred that Jiang Fei froze to death. Let him tell us about it.
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All we know is that Jiang Fei was frozen to death by the killer, but there aren't any clues
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to find the killer. The killer made Jiang Fei
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take cephalosporin when he was drunk, causing a disulfiram-like reaction.
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Then, when he was unconscious, the killer froze his body with ice, which led to the failure of all his
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internal organs, especially his heart, and he died. It shows that the killer has some knowledge human physiology.
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Mr. Gao, after the first autopsy and test, what was in his stomach as food residue?
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Wine and sausage, no cephalosporin. But the cephalosporin on his table was already opened,
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and the pharmacological test detected it. The sausage wasn't digested, which means the last thing
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the victim ate was the sausage.
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Have you found a knife there? No. There are cuts on the sausage
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but no knife around. Could someone have taken it? Jiang Fei's body didn't have
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a scratch on it. The knife couldn't be the murder weapon. So why'd the killer take it away?
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Did you guys do luminol at the scene?
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There are no cuts on the body, but the killer had to take the knife from the scene.
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That means... The knife wasn't used on the victim. But on the killer.
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If this isn't Jiang Fei's blood, then it gotta be the killer's.
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Why didn't you ask Mr. Qi to do the bloodstain comparison?
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The results are out. No records matching in the database. Thank you.
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So here's the timeline of these cases. On the evening of the 7th, Qiu Lanzi joined us investigating
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the 788 Bar assault case. Then she teamed up with Mr. Gao and Mr. Qi
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for the Li Yiqi's blood sample analysis until the next day. We found Jiang Fei's body at noon the next day,
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and Qiu Lanzi showed up later. That night, she, Mr. Qi and Mr. Gao dissected Jiang Fei's body.
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We found the remains of stomach meds in Qiu Lanzi's stomach. Based on the dissolution rate of the meds
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and the timeline, Qiu Lanzi should've taken the stomach meds between the time
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after the dissection of Jiang Fei's body and her death. The first time Qiu Lanzi left the station
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and met me was around 9 pm. Two hours later, I got a call from Qiu Lanzi.
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She said she'd found a lead on Jiang Fei's body. Ten minutes later, when Mr. Han and I got to the forensic office,
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we found her body. The stomach medicine was found among her belongings.
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She usually kept her stuff in the locker in the changing room. Got anything from the surveillance over there?
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No cameras on the floor. There are just people going to and from work there. And Mr. Bai means we shouldn't
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expand the investigation for now. He wants us to narrow down the suspects first.
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So the most likely time for Qiu Lanzi to take the pills is between the time
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she left the station and came back. We just don't know where she went and who she met.
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What about Jiang Fei? Don't forget Qiu Lanzi said she had info about
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Jiang Fei's cause of death before she died. Jiang Fei went home after getting drunk.
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Where did he drink and who did he drink with? Have you found out? He didn't use mobile payment or cards. He always used cash,
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so it's hard to find his consumption records. People like him are always afraid of leaving any clues.
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Wan, let's go to the bar to check Jiang Fei's movements before he drank.
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Xi, go and find out who Qiu Lanzi met after she left the station. Let's split up.
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Okay. Do as Mr. Han says.
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It's here, Mr. Han.
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No, Mr. Han...
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You're in charge here? This is legit business. Legit business? Then why so serious,
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needing a guide to find here? Oh, come on! This is a gimmick. More people will wanna come in
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if they need someone to bring them in. That's smart. Since it's so complicated to get here,
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you should know who came here the day before yesterday, right? Sir. How the heck can I remember
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all these guests every day? Take us to the security room. Sir. You need a warrant to do so.
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A warrant, huh? I'm gonna call my buddies from Public Security Brigade and let them check it out.
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Sir. You can check whatever you want.
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We checked Jiang Fei's social circles. Super complicated. He's lived in cities all over the country. A drug dealer like him's gonna
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have a lot of enemies. If we just look at the motives for murder, there are a bunch of suspects.
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Here's his hidden ledger we found. There are up to 40 drug addicts listed in it, not to mention those
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who bought imitation guns, plasma, and illegal drugs. Ms. Zhu. This is Qiu Lanzi's phone.
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Got anything? I checked Qiu Lanzi's call records. After she left at 9 o'clock,
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she made four consecutive calls within five minutes, and they were all to the same person. Who?
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It's a chemical factory's lab. But it was off-work time then, and she called the switchboard,
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so we still can't find out who she contacted. We gotta find out what relationship this factory has with Qiu Lanzi.
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Okay. Ms. Zhu. Have you checked Qiu Lanzi's phone?
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Xi just gave it to me. I watched the videos of Qiu Lanzi before and after she left here. She never stopped checking her phone.
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I remembered that Mr. Han told me when he saw Qiu Lanzi that day, she was also anxiously checking her phone.
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There must be some clues on her phone. She just didn't have time to tell us then.
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Stop. Who's the girl drinking with Jiang Fei?
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Jiang Fei had introduced her to us. Zhang Lu, I remember. She's into Lolita fashion, close to Jiang Fei.
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She took photos of Jiang Fei's body? But phones are forbidden in the dissection room...
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Maybe she had some reason. Check out these last three photos.
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The first two are of the tattoo on Jiang Fei's arm, one taken without a black light,
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and the other with a black light. And the last one is of the skin on his wrist.
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Also, the first two were taken at the same time. But there's a gap of over 20 minutes before the last one.
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Why did she wait over 20 minutes to take a photo of the skin on the wrist
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without a black light? What did she find out?
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I saw some illegal stuff in the bar near Ruixi Building. I just saw it when working.
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It's fine. You're welcome. Treat me to dinner then.
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Wan. Thank you. It's nothing.
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Ms. Zhu asked me to investigate with you. No need to say that.
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I saw Qiu Lanzi taking those photos, but I just glanced and left.
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I was in the next room with Ms. Zhao taking samples for toxicology testing. If you also left,
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then Lanzi was the only one left in the autopsy room. But when she was taking the photos,
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she asked me what this was. What is this? It should be an old injury
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or a mark left after having a tattoo removed. No. It seems to be a fluorescent tattoo.
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There are two photos of the tattoo on the left forearm, one in natural color and the other under a black light.
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If we follow the logic of the previous two photos, there should be another black-light photo.
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There are lots of group photos of Jiang Fei with different girls on his phone, and one of them is Zhang Lu, the girl we've been looking for.
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Zhang Lu, 24 years old, living in Xinhua Road, He City, an intern researcher at an inorganic chemistry institute,
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majored in chemistry. She knows Qiu Lanzi. They were high school classmates, so they rented an room
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and were roommates shortly. In the call records we retrieved, the last call Qiu Lanzi made
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was to Zhang Lu's workplace.
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You said you saw Zhang Lu and Qiu Lanzi arguing that day, right? Yeah.
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I did see them arguing. But I didn't catch what they were arguing about.
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When I left, I saw that girl wasn't feeling well and took some medicine.
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Are you sure Qiu Lanzi took medicine at that time? I'm sure.
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Where's Zhang Lu? Mr. Han. We've been searching for her with your info.
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Excuse me. Your ID card and driving license please. Please open your trunk.
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You're Zhang Lu, right? Zhang Lu. Please cooperate with us.
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Zhang Lu, 24 years old. A researcher of the chemistry institute in He City. Were you at the basement bar
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in Yunjin Building with Jiang Fei on the evening of August 7th? Yeah.
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Then did you go home with him? No. I just had a few drinks and went back to my own place.
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Is there anyone who can prove it? Prove it? Why? I live alone.
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How can there be a witness? So no one can prove you stayed at your own place that night.
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What was Jiang Fei's state when you saw him for the last time? He...
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He seemed to catch cold. You're out drinking with a cold?
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Do you even know that mixing antibiotics with alcohol could kill you?
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But I just really wanted to have a drink with you.
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How'd you hurt your finger? Cut it during an experiment.
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What did Qiu Lanzi say when she came to the lab? What'd she tell you guys?
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Isn't she interning here? Call her over! I'll confront her! Qiu Lanzi's dead.
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Did you kill her? Dead... How... How come...
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Zhang Lu, now we suspect you're the prime suspect in the murder cases of Qiu Lanzi and Jiang Fei. Got anything to say?
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If Zhang Lu's blood sample matches the one we took from Jiang Fei's place, she's most likely
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the killer. I didn't! I never killed anyone!
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I didn't... I really didn't! Then just answer our questions! What did she say to you?
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She... She told me Jiang Fei was dead,
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and she saw my name on the body...
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How is it? Wait a moment.
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Ms. Zhu. The result is out.
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Mr. Han. It matches.
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Su. Arrest her. Xi, untie her. It's her.
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No... Not me! I didn't kill them! I didn't!
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It's not me! It's really not me! I never killed anyone! It's not me! I didn't!
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Don't arrest me! Please! It's not me! You got the wrong person! It's not me! Not me!
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Really not! I didn't kill them! You got the wrong person! It's not me! Not me!
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We got the wrong person. It's not her.
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Raw Diamond case is over! You just can't deal with reality! You never figured out Fei's death!
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Li Yiqi. Jiang Fei. They're the clue from the case! Hey! Stop!
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There's an opening here. The kidnapped girl was probably taken inside.
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The killer set this up to throw us off about the cause of death. He knows way too much about
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forensic, autopsies, even our police procedures. Wait, are you saying... The killer is one of us?
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