Shi Yan grabbed Qiao Zhen: "Why do I think your father has figured out the ins and outs of the case?" ”

"yes, I know."

"What do you think of Team Joe's judgment?"

"I'm not saying I really know what he's thinking. Of course, he never understood what I was thinking, otherwise he wouldn't have been so surprised when I switched from fashion design to criminal psychology. We don't care about his judgment, his way of doing it is based on past experience and intuition. ”

"What, do you think it's unreliable?"

"It's not that it's unreliable, many times my dad does have his own uniqueness, these skills accumulated by time and practice are something we can't fight, but we also have our own strengths, and sometimes although we will take a long detour, once the direction is right, the probability of success is higher."

"What are our strengths, knowledge and technology?"

"Yes, you're still smart, and you can make sense. Even if my dad judged correctly, he still couldn't escape the need for evidence, so let's calm down and go straight to the goal. ”

"This, it's quite time-consuming, I guess it's going to be afternoon, how to solve it when I have dinner?"

"It's okay, although my dad is particular about eating, but when he goes out, it's a delicious fast food restaurant, so let's follow him to eat later." Let the takeaway be delivered here to the doorman. ”

Gathered in the property management office, the cross-bridge beef rice noodles called by Team Qiao made everyone sweep away their tiredness and feast.

Forensic Doctor Chen shook his head when he ate, and judged the two of them like a scholar as usual: "You see that this beef slice has meat and tendons, and this beef soup is also extinct. I often hear others say that ethnic minorities have high IQs, it turns out that it makes sense, and they eat better than our Han people, can they not be smart? ”

"Don't shoot us back to the fart, this is what my dad often eats when he goes to the countryside in Jinghong, Yunnan, and today we can accompany him to remember the bittersweet memories."

"If I eat so well every day, I will follow Team Qiao in the future, and I will be tired of eating in our canteen."

Qiao Zhen teased her: "Forensic Doctor Chen, you also have to see if Team Qiao is willing to take you with you every day, and you are reluctant to bring your own daughter." ”

Team Qiao ignored the young man's jokes, answered a few phone calls, and didn't say a word, and first took a big gulp of hula and finished eating, and then told them: "There is no match in the recent missing person library, and there is no identity information left in the police message, except for the stabbed security guard, there are no witnesses who know the deceased." So, after going around in circles, she is still a nameless female corpse to us. ”

Qiao Zhen's eyes widened seriously and said, "But what is certain is that the fingerprints and palm prints left on the buttons in the elevator car are the deceased, and the shoes and clothes we found are also hers." In addition, Shi Yan and I found the deceased's mutilated palm prints and footprints on the outside of the car on the sixth floor, which can basically be restored to the first scene before she fell from the building, and she struggled vigorously to open the door at that time. ”

"But what we don't know for sure is whether she fell or was killed."

Team Joe lit a cigarette and asked, "Can't be determined based on the existing traces?" ”

"There's no way to determine, just like Dr. Chen said she had sex before she died, but he couldn't tell if it was voluntary or sexual assault. We can only restore the situation at that time to the greatest extent, but we may not be able to grasp the motivation and psychological state of the person concerned. ”

Everyone was silent for a while. Team Qiao and Qiao Zhen got up at the same time to leave.

"Hey, where are you going?"

"Keep here and transfer the dead back first. I'll go to the security guard to check on the situation. ”

Shi Yan looked at Qiao Zhen: "What about you?" ”

"The hero sees the same thing, my father and I are in the same direction."

"Hey, why did I spread such a big tail as you and follow me all day long."

"It's a joke, I won't go to the security guard's house, I'll go to the office first, and we'll meet later."

"It turned out that I was lazy and went back to rest. I'll teach you a good lesson when I get back. Old Joe slammed the door shut.

Qiao Zhen shouted in the back, "Dad, won't you take me for a while?" ”

Old Joe's police car is gone.

Qiao Zhen turned his head to see Shi Yan's sympathetic eyes, and shrugged his shoulders disdainfully: "Actually, the place I'm going to is very close, so let's play with him." ”

Qiao Zhen quickly came back with a knife to copy the materials, and Shi Yan and Forensic Doctor Chen saw her eyebrows dancing through the glass, and quickly came out of the room.

"It is basically certain that the suspect of the major crime is the security guard who reported the crime."

"So sure, on what basis?" Forensic doctor Chen asked.

"Look at the data on this," Qiao Zhen handed out the materials to the two of them.

"The injury report at that time read: 'There is a 0.8 cm horizontal tear on the back of the right trouser tube 23.0 cm away from the mouth of the trouser tube that Li wore, and there is a 0.9 cm long oblique cut at the bottom 5.5 cm of the bottom right of the ruff, and the fabric of the broken end of the break is neat.' What's wrong with that? ”

"The problem was that I immediately visited his attending doctor at the time, and the doctor said that both of his windows were deep enough to reach the muscle layer, but did not hurt the deep muscles, large blood vessels and nerves. He was in a hurry and did not measure the exact depth of his wounds. ”

"Are you saying you suspect that the security guards simply exaggerated the facts and faked the scene?"

"Forensic Doctor Chen, you obviously don't know our Miss Qiao yet, what she will say is basically not suspicion, but a definite fact."

Qiao Zhen pointed to a few marks on the materials: "Li is suspected of exaggerating the injury." Li responded in the transcript that after he was injured, he covered the wound with his hand, and after the other party ran out of the building, he climbed to the door, but the forensic injury examination and the attending doctor reported that his injury was not at all to the extent that he could not walk. And when he arrived at the hospital, he was helped down by his girlfriend, and it had been more than two hours since he called the police, and he still said that he couldn't get out of bed and do light activities. ”

"So, these actions are against common sense, what is he hiding?" Forensic Doctor Chen nodded.

"Or maybe he's deliberately highlighting something?" Shi Yan answered.

Qiao Zhen nodded: "The alarm time is seven o'clock in the evening, the lighting facilities in this building are relatively backward, it is past the end of work, and there are not too many people around." However, the blood stain at the scene was a pool of 28 centimeters by 30 centimeters, and according to his transcript, he used a towel on the table to press the wound at that time. ”

"Without injuring the arteriovenous vessels, it would not have been possible to have a round pool of blood of this size."

Moreover, there were no wipes of blood at the scene, which did not match his crawling trajectory at all. The shape of the round-like blood stain is that there are no burrs around it, indicating that it is dripping in a stationary state, and the height is not high. ”

"So, this scene is actually faked by the security guard."

Shi Yan pointed to the picture of the wound and said, "From a forensic point of view, his wound does not conform to the form of continuous and rapid stabbing. ”

"Oh? You're good at this, I'll hear it. ”

"You see, his wound is biased to the right lateral side, and the two wounds are not dense, 5.1 centimeters apart, and they are not in the same direction."

"What you mean is that if the two wounds are formed by successive rapid stabbing blows, the wounds should be dense and the direction of the blade should not change significantly. Now one of our 'victims' has a transverse wound and the other is an oblique one with an oblique angle. ”

"I understand, if it is really as he described, because of the dispute, the other party temporarily intends to stab people, then the force of the rapid stabbing will not be the same, and the speed should be relatively fast, which is not the same as his current wound. Not to mention that it didn't hurt the deep muscles, so you should be careful. ”

"What the hell is he trying to do?" Qiao Zhen stared at the female corpse on the examination table, and kept arching a pencil up and down with a pouting mouth, not noticing that Forensic Doctor Chen behind her was staring at her back blankly.

The security guard was quickly taken back to the bureau and hung his head.

The security guard still had bandages on his legs and walked with a limp. Like most people who enter the game, he lowered his head and did not dare to look up at Old Joe. After interrogation, in front of ironclad evidence, he quickly admitted that he wanted to blackmail a sum of money, so he staged a bitter trick and faked the scene.

The scout asked, "So you didn't know her before?" ”

"Hell, if she hadn't broken into our unit, where would I have seen her."

"Speak well, I'll ask you again if you have seen her later."

"I've seen it, didn't your leader suddenly rush to the door to show me her photo, which scared me, who would have thought that she would die now."

"Ask what to say, give me a serious face. After her family came that night, what did she say to you? ”

The security guard spread his hands: "I have nothing to say, we don't know each other, because the police came to mediate for us, but no one was happy." Who knew that this girl seemed to live nearby, penniless, and her family came to pick her up and was lukewarm, she was good, filled in an ID number and giggled for a long time. ”

"She didn't deny what you said about using force?"

The security guard just shook his head: "I thought I had met an alcoholic, this kind of drunkard is often encountered when he is on night duty." She did take a knife and swung it back and forth twice, and it was a woman, and I thought she was too drunk, so I hurriedly went up and grabbed it, lest he hurt me. ”

"So, do you think she's not going to notice you're doing it when she's drunk? Was there any other purpose for her to enter the building? ”

"Seriously, I haven't figured it out yet. She didn't say a complete sentence from beginning to end, she didn't smell of alcohol, and she didn't speak with a preface. After I snatched the knife, she giggled around the lobby and didn't know what to do. ”

"Did her family say anything when they came?

The security guard slapped his thigh: "By the way, this is the strange place, they don't seem to be surprised, they lost some inspection fees and left, saying that they didn't want more money." I know that I am at a loss, seeing that they are indeed not dressed very well, and they are quite honest locals, so I dare not say anything. ”

Qiao Zhen, who was standing outside the curtain wall of the interrogation room, asked Lao Qiao while flipping through the file information of the deceased: "Dad, can you tell me about your idea of solving the case, now that this anonymous person has at least an identity, what do you think of this case?" ”

"Haven't you always claimed to rely on science and evidence to speak, but now you want to hear what I think?"