Department of Psychology Forensic

Chapter 110 Wisdom Teeth
In the dissection room, Cui Jun and Zhou Zheng were staring at the marked bones in front of them. Not only that, they also took out the body parts from the corpse dumping case at the cross-sea bridge and the corpse dumping case at the North Station.

The bones and corpses in the zoo are too scattered, and there are many bite marks on them, so it is very difficult to inspect.

During the initial inspection, they found that there might be more than one corpse, so they chose to do a DNA test immediately to ensure the identity of these bones before conducting the test.

Now is the time for a real test.

"The distinction is made."

Zhou Zheng placed these labeled bones on different corpse beds and divided them into four parts.

Except for the part of the original corpse, the bones of the other three corpses are all incomplete, and there are many missing parts.

"Let's start with the most complete corpse."

Cui Jun looked at the corpse that had been inspected many times before. This corpse was cut into pieces, and there were 57 pieces in total. The only part that was missing the head before has been successfully filled in, and it has become a rare piece. Whole body.

As for the other three corpses, Cui Jun and Zhou Zheng knew in their hearts that there should be no way to piece them together. The Siberian tiger in the lion and tiger garden ate not only the meat from the corpses, but also part of the bones. is never coming back.

Whole corpses are easier to identify than mutilated corpses.

"We have not dissected the brain of this corpse. Now that we have found the brain, it is too badly damaged to be of value." Zhou Zheng looked at the unrecognizable head, focusing on the serious scar on the top of the brain. On the damage, he sighed: "Even the brain tissue has been eaten, and it is impossible to judge the damage to the brain."

"Maybe there will be some clues." Cui Jun said in a deep voice, "We can't let go of any details."

"Understood!" Zhou Zheng was just talking about it, and the test still needs to be tested.

"Actually, while we were waiting for the results of the DNA test, I performed multi-detection spiral CT on the head to collect data on the head images, and sent the results to the Forensic Medicine Center of the Provincial Department for [-]D restoration of the face, trying to restore it as much as possible. The appearance of the victim, but our technology is not particularly mature, it can only be used as a simple reference, and more importantly, we should find evidence that can correct the murderer." Cui Jun said slowly, while he was speaking, A detailed examination of the damage to the face has begun.

"Facial restoration..." Zhou Zheng frowned slightly. He understood that this was a technique in forensic anthropology, but the human face is a very complex structure, and there are great differences between different races.

This technology is relatively developed in foreign countries, and the amount of data collected is huge. It can reshape the face in a very short time. However, in China, there is not much data, and the effect of reshaping can only be used as a reference, which belongs to the development stage. technology in.

However, the technique of cranial facial restoration still has a scientific basis in anatomy. Although everyone's facial features are different, the rules are the same.

Everyone's face is covered by soft tissues such as skin and hair.

The skull is the core structure of the appearance.

The shape of the frontal bones, cheekbones, and upper and lower jaw bones determine the shape of the face from the front and profile.

The height and curvature of the nasal bone, the shape of the pyriform hole and the direction of the anterior nasal spine determine the shape of the nose.

The size, shape, angle, and occlusal form of the jaw, alveolar process, and teeth determine the shape of the mouth.

The shape, position, distance, and protrusion of the orbit determine the position of the eyeball and the direction of the eye fissure.

This is why some beauty lovers who do facial plastic surgery often have to use a knife on the skull.

However, the thickness of facial soft tissue varies from person to person, and some scars, wrinkles, dimples, skin color, etc. cannot be reflected on the bones, so the facial features of the skull are for reference only to a large extent.

"what!"

At this time, Cui Jun took the hemostat, gently opened the crack of the nasal bone, stared at the mark of the fracture, and said: "The deceased's nasal bone has a living reaction, it should have been operated on, and the nasal bone may have been broken. Or maybe a rhinoplasty."

Zhou Zheng's gaze was also fixed on the nasal bone, and he could clearly see that the tissue around the broken nasal bone was responding to life. It couldn't have been bitten by a Siberian tiger, because the victim was already dead at that time.

Moreover, the life reaction here has been going on for some time. Because the protruding part of the face is easily bitten by wild animals, it is difficult to make an effective judgment on the broken tissue left behind, but at least from the perspective of time, it has been at least half a year.

"The deceased's teeth were not very straight."

Cui Jun gently opened the broken lip tissue at the mouth. The broken tissue was so thin that it seemed to be able to be pulled off with a light touch, exposing the teeth, and the roots of the teeth were light brown red with the naked eye.

"The deceased had obvious signs of rose teeth, coupled with our previous judgment, the cause of death may indeed be mechanical asphyxiation."

Cui Jun checked the deceased's teeth one by one. When his eyes fell on the left rear molar of the deceased, his eyes suddenly became serious.

He took out a small tweezers from the tool box next to him, and gently slid it towards the dentures on the back molars.

Zhou Zheng stood by and watched the process. Because of the angle, he couldn't see the master's operation, he could only see the master rummaging for something in the dead man's mouth.

After a while, Cui Jun stood up holding the tweezers, which held a gray thread, and put it into the evidence bag.

"This is... a suture?" Zhou Zheng stared at the thread in the evidence bag, feeling a little excited in his heart.

"That's right, it's the sutures. I found that the socket of the deceased's left rear molar was red and swollen, and there was an obvious inflammatory reaction. After careful observation, I found that there were stitches on the socket. I just removed the stitches, and the incision was directly It opened up, revealing the gelatin sponge filled inside." Cui Jun didn't stare at Zhou Zheng, but went in again with tweezers, this time holding a small yellow-brown sponge, which smelled of decay.

"The deceased had a tooth extraction shortly before he was killed!" Zhou Zheng's eyes lit up suddenly. Such information is simply not too important.

"Yes, to be precise, it was a wisdom tooth extraction operation. Judging from the degree of healing of the wound and the degree of absorption of the gelatin sponge, she should have died a few hours after the wisdom teeth extraction." Cui Jun nodded and said.

"With this clue, we can check the medical records of dental clinics across the city, narrow the scope to the range of the victim's death time, and then exclude the patients who returned to see the stitches, so that we can delineate the approximate range of the victim. Then contact them one by one by phone, and finally we can find out the identity of the deceased!" Zhou Zheng's eyes glistened with joy, and the most important clue to the case of corpse throwing across the sea bridge was about to be revealed, after all, this level of dismemberment was basically for the sake of To cover up the real identity of the deceased, once the information of the deceased is found, the murderer's information will follow.

"Fortunately, the deceased went to pull out his teeth." Cui Jun sighed and sighed. Such corpses are very rare in his career. It is too difficult to find some useful information after autopsy, and then said: "Fortunately. The gums are deep in the mouth, even if the face is gnawed by a Siberian tiger, the gums are still intact."

"I'll tell Team Xia the news now." Zhou Zheng looked at the remaining bones and said, "I'll be back soon."

"The value of these white bones is not that great. We can only roughly calculate the height and age. Even the gender depends on the specific bones. Go and tell that boy Xia Yan about this discovery, maybe you can pass the victim This is the benefit of merging the case, as long as clues are found on one of the corpses, it means that the case will have a clue.

"I'll go right away." Zhou Zheng immediately ran out to the anatomy room. They said at the special meeting that they should notify them as soon as possible if there is any information.

"Ring-ring--"

Just as Zhou Zheng took off his dissecting suit and walked towards the criminal police team, the phone in his trouser pocket rang.

hiss……

Zhou Zheng couldn't help but take a deep breath. Now he is a little afraid of the ringtone of his mobile phone. As long as he calls every time, nothing good will happen.

He picked up his mobile phone and looked at the screen. The word "Professor Fan" was impressively written on the caller ID.

Ok?
What is Professor Fan's phone number?
Zhou Zheng was stunned for a moment, but still chose to connect. He understood Professor Fan's character, indifferent, pure and natural, and spent most of his time reading books. Every time he saw Professor Fan, he felt a kind of awe-inspiring feeling. a feeling of.

Professor Fan will not call for no reason, he knows this very well.

"Zhou Zheng, why didn't you come to see me?"

Professor Fan's deep voice rang out from the phone. Just through this voice and tone, Zhou Zheng made up the appearance of Professor Fan sitting in the office.

"I've been working on a case lately." Zhou Zheng said with a little hesitation.

"The case?" Professor Fan's tone remained the same, but he added an invisible oppression, and asked, "Aren't you on vacation?"

"The forensic department is short of manpower. I'm here to work overtime to help, and I can also enrich myself, which is pretty good." Zhou Zheng quickly explained, and while he was talking, he still walked quickly towards the criminal police team.

"How does it feel to be an intern at the Forensic Medicine Center?" Professor Fan seemed to want to chat with Zhou Zheng again, not as cold as before.

"It's very good. Everyone treats me very well. I like it very much. Thank you Professor Fan for helping me." Zhou Zheng thanked quickly.

"To be honest, I didn't expect you to be able to achieve this level. In fact, I asked you to go with Lao Qin that day because I wanted you to run into a wall and retreat. I still feel that your talent You shouldn't be restrained by forensic medicine." Professor Fan sighed, his tone was obviously filled with strong regret, this feeling is like a five-star chef seeing Youmengxin making high-end ingredients into dark dishes, There is a faint sense of heartache.

"Ah?!" Zhou Zheng paused and was stunned at the time. He never thought that Professor Fan would say such a thing, and he was stunned. He confirmed in disbelief: "Teacher, are you serious?" ?"

"Of course I am serious. You should go to the Criminal Analysis Section of the Provincial Department to become a criminal psychologist. You are one of the few people I have ever met who has all the qualifications. You should have a broader development stage." , but chose to be a forensic doctor." Professor Fan became more and more angry when he thought about it, and his tone at the end sounded like he was about to curse.

"Is this not a conflict?" Zhou Zheng said subconsciously: "Isn't criminal psychological profiling just to speculate on the criminal's psychology based on the evidence at the scene? Provide the most immediate help."

"Have you done criminal psychology profiling recently?" Professor Fan asked directly.

"Yes...some..." Zhou Zheng shrank his neck, suddenly feeling guilty.

"Do you know best in your own heart?" Professor Fan said sternly: "Do you know why I asked you to come to me? The puppet case Gao Sheng did is not as difficult to solve as Wang Fan, who you assisted at the beginning. The cannibalism case you did was very difficult, but you were able to directly assist in solving the case when you first joined the Municipal Bureau, but you repeatedly encountered obstacles in Gao Sheng's case, didn't you notice the problem?"

"The problem..." Zhou Zheng didn't think about it, and was immediately stunned by Professor Fan's question.

"That's because you kept your focus!" Professor Fan sighed heavily, and said, "Criminal psychologists need to have a very keen sense of the crime scene. You have to focus on the psychological state of the murderer, not on the victim's mind." What are the changes in the death of the body, what is the cause of death of those dead, these can be done by other forensic doctors, such as Cui forensic doctor in your forensic medicine center, you only need to take the results of the forensic medical examination and use it as a reference , and then look at the case from the perspective of the murderer, then you will quickly find the murderer."

"This...have I been affected?" Zhou Zheng was struck by lightning, and Professor Fan's words echoed in his mind. Now he is indeed full of autopsy matters, and he followed the case of throwing corpses on the cross-sea bridge all the way, but he didn't understand the murderer. There is no clue in the portrait.

"The perspectives of the forensic doctor and the criminal psychologist are different." Professor Fan said: "The forensic doctor is to find evidence through the phenomenon of the corpse, while the criminal psychologist is to judge the murderer's psychological activities through the behavior at the scene. These are two different perspectives. One is to study the dead, and the other is to study the murderer, when you invest too much in forensic work, you know more about the dead, and correspondingly, you know less about the murderer."

"I..." Zhou Zheng didn't say anything, but he recognized Professor Fan's words in his heart. In Gao Sheng's case, he has been led by the nose, because Gao Sheng sent him a lot of misleading information through the corpse. , and the current dismemberment case, he was even more messy trying to find information about the source of the corpse, but neglected to simulate the murderer's psychology.

"After get off work tonight, you come to my office, I want to have a good chat with you, no matter how late you come, I will wait for you in the office." Professor Fan's tone was a little disappointed, and after leaving these words, he Hang up the phone.

Zhou Zheng was listening to the busy tone on his mobile phone, his mind was a little messy. After thinking for a while, he walked quickly towards the criminal police team.

No matter what, first report the wisdom tooth extraction to Team Xia.

(End of this chapter)