Department of Psychology Forensic

Chapter 92 Forensic Medicine?

At this time, many people gathered outside the entrance of Jianghai North Station. These people looked in from the outside of the warning zone. In fact, they couldn't see anything at all, but they still liked to watch the excitement when they had enough time.

Some of them took pictures with their mobile phones, and then they were either posting on Weibo or Moments, or chatting about it with acquaintances.

Those who are short on time have no choice but to reluctantly walk into the station entrance after a quick glance.

After Zhou Zheng and the other three initially gathered the information, they already had a certain judgment on the basic nature of the case.

"I agree with Zhou Zheng's speculation." Cui Jun nodded, and said, "Regardless of whether these body parts are related to the body parts dumped on the cross-sea bridge, no head was found at the scene, so the probability of an acquaintance committing the crime is very high."

"Forensic Doctor Cui, what are you doing now? Do you want to check the body parts here?" Zhao Lei asked.

"I'll go take a look." Cui Jun nodded, and walked towards the black plastic bag in front of him. Although Zhao Lei had already read the contents of the plastic bag, as a forensic doctor, he had to personally examine the corpse, and he could not listen to it. If you hear other people's words, take it as the result, so it is easy to have preconceived ideas, and then make wrong judgments about the case.

Zhou Zheng held up his camera and followed closely behind, filming and recording Cui Jun's actions.

Cui Jun went all the way to the side of the trolley case and saw the black plastic bags in the case. These black plastic bags had obvious signs of being turned over, and the bags had not been fastened again.

"Masks, and gloves." Cui Jun stretched out his hand to signal Zhou Zheng.

"Okay." Zhou Zheng hurriedly put the exploration box on the ground, and took out the disposable mask and gloves inside. He didn't intend to touch the corpse, so he didn't wear gloves, but he put on a mask for himself.

From the time he walked inward, when he was close to the trolley case, he could faintly smell a pungent rancid smell.

This smell was stronger than the smell of a normal corpse. The smell kept leaking from the opened black plastic bag, which greatly impacted the olfactory nerves of everyone present.

After Cui Jun put on the gloves, he carefully flipped through the black plastic bag and checked the body parts inside.

In the first black plastic bag he checked, he could see feet and calves, a total of four parts of the body, and the blood vessels under the white skin were dark green, which looked very leaky.

"The body parts have begun to rot, and the phenomenon of green corpses has appeared. The death time has been at least 3 days, which belongs to the phenomenon of destroyed corpses."

Cui Jun stared at the dead man's feet. The green blood vessels on the instep were particularly obvious. He looked at the broken ends again, confirming that the corpse was green rather than a network of corrupt veins.

"What is the phenomenon of destructive corpse?" Zhao Lei asked suspiciously. He had never heard such a professional vocabulary. He used to follow Master Xia Yan's back. With the case, this made him feel more responsible and interested in learning.

"Ask Zhou Zheng, let him tell you." Cui Jun said lightly, he focused his attention on the preliminary inspection of these corpse parts, and was not in the mood to answer Zhao Lei's question.

"Brother Zhou..." Zhao Lei grinned awkwardly. He also realized that it was inappropriate to ask questions at this time, but his words had already been spoken.

"This is a relatively common-sense knowledge point." Zhou Zheng wrinkled his nose. He didn't expect that Zhao Lei didn't even know this point, and then explained: "Speaking of the phenomenon of destructive corpses, we must first understand the early post-mortem phenomenon. The two concepts of change and late postmortem change."

As soon as Zhou Zheng said this, the police and criminal police at the scene all pricked up their ears, quietly listening to the popular science here.

After all, there are specialties in the field of surgery, almost all of them graduated from the police academy, and they need to learn a lot of knowledge, including the investigation and inspection of criminal cases, and some of them involve the identification of corpses. For trace inspection and identification, the criminal police have an overview of the overall situation and need to do more investigations, visits, and control investigations.

Seeing everyone's reaction, Zhou Zheng was a little surprised. He didn't expect such an effect.

Since everyone wants to hear it, let's talk about it.

After all, in terms of endorsement ability, he said that he was second, and no one dared to say that he was first.

"Early death changes refer to the changes that will occur in the body within 24 hours of death, and late death changes refer to the changes that will occur 24 hours after the death of a person. We can use these changes to preliminarily determine the time of death."

Zhou Zheng spoke slowly, and he lowered his volume slightly, not wanting to disturb the master who was doing the examination.

However, the security zone is relatively quiet, and people around can still hear it.

Compared with the hustle and bustle outside the warning zone, this kind of quiet seems like two different worlds.

"Among them, there are two types of late death changes, one is the phenomenon of preserved corpses, and the other is the phenomenon of destroyed corpses."

"The phenomenon of preserved corpses mainly refers to the process of body changes after death. The overall shape of the corpse has not been damaged, and it is still well preserved. Soft phenomena and so on.”

"The phenomenon of destructive corpses is easy to understand. There are obvious changes in the appearance of corpses after death, such as corpse decay, moldy corpses, white bones, etc."

"The green corpse phenomenon mentioned by Master just now is one of the corpse corruption phenomena. The main reason is that the decay bacteria in the corpse after death produce a large amount of spoilage gas. These spoilage gases are mainly hydrogen sulfide and ammonia. Hydrogen can react with hemoglobin in the blood to form hemoglobin sulfide, which appears green through the skin."

Zhou Zheng patiently explained that these contents seemed to be imprinted in his head, and he remembered them after reading them in school before. He didn't need to think about them at all, and he didn't even delay the filming of Master's autopsy.

Everyone at the scene, including Zhao Lei, suddenly felt a sudden feeling after listening to it.

Some truths are just like this. They are not complicated or difficult, and you can understand them if you explain them, but it is difficult to guess without explaining them.

"It's no wonder that some parts of corpses turned green when I saw them for a long time. At that time, I thought it was mold. It turned out to be green corpses!" Zhao Lei sighed, and his admiration for Zhou Zheng grew stronger in his heart. From the beginning of Zhou Zheng until now, it seems that there is nothing that Zhou Zheng doesn't know, just like a super academic.

"The mildew you mentioned refers to the phenomenon of moldy corpses. The most obvious and intuitive way to judge the phenomenon of moldy corpses and green corpses is the color." Zhou Zheng continued to popularize science: "The phenomenon of green corpses, as the name suggests, is that there will be large patches of green under the skin of corpses. It starts from the blood vessels and gradually appears in various parts. It is caused by putrefaction gas, but the moldy corpse is first caused by fungi. It does not appear inside the corpse, but on the surface of the skin, where white The mildew spots or filaments will gradually turn into mold flakes in the later stage."

"hiss……"

After listening to the science popularization, Zhao Lei couldn't help but gasped.

Zhou Zheng's words were simple, clear and easy to understand, which made it easy for him to understand the difference between the two, and he even made up part of the picture in his brain.

only……

These pictures are disgusting!

Originally, when he opened the black plastic bag to check the body parts inside, he had to resist the stench that made him spit it out.

It was driven by his strong sense of responsibility for the case, but the physical reaction of wanting to vomit has not completely disappeared. After Zhou Zheng said these things, he felt uncomfortable again.

"You forensic doctors really need a strong psychological quality!"

Zhao Lei couldn't help sighing. He felt that being a criminal police officer had sharpened his nerves, but criminal cases were not entirely homicide cases. When dealing with dead bodies, it also depended on the off-season or the peak season. Like the current high-incidence period of homicide cases, you can still see more , However, if you see it, call the forensic doctor.

He vaguely remembered that not long after he joined the job, a female criminal policeman also came to report, and then at the scene of a murder, when facing a corpse stabbed to death by a knife, the bloody scene made the woman who had just glanced The criminal policeman squatted by the trash can and vomited non-stop, and his whole body was not well.

After that, he never saw the female criminal police officer again, and it is said that she applied for transfer to a civilian position.

For the criminal police, there will be a strong shock after discovering the corpse, but they can take a certain distance, while the forensic doctor needs to have close contact for a long time to find evidence pointing to the murderer from these corpses.

not easy!
It's really not easy!
Zhao Lei felt that he could not do a forensic medicine profession. It was not a matter of knowledge, but a psychological and physical problem, which he simply could not bear.

"A forensic doctor must not only have a strong psychological quality, but also have a strong nerve. He must overcome the fear in his heart, and he must also be able to withstand all kinds of negative reactions that arise instinctively in the body. Otherwise, why are forensic talents so scarce!" Cui The general took out the torso-like corpse from the plastic bag, and continued: "Of course, there is another very important point. To become a forensic doctor, you need to study for many years and pass many exams, but you can only earn a meager salary. Who would do it but love it?"

The last sentence belongs to the torture of the soul.

Everyone at the scene was stunned.

Everyone has a realistic soul in their hearts, although it is concealed by masks, but no one can be exempt from the vulgar, and they all have a certain degree of selfishness.

It's just that for the vast majority of people in special positions, the spirit of sacrifice in their hearts is greater than their own selfishness, and they can focus on their responsibilities when encountering things. However, this does not mean that everyone does not have such a scale in their hearts.

Take the people in the city bureau as an example, no matter how responsible the criminal policeman is, he still has the idea of ​​promotion in his heart.

This is so normal!
Napoleon said that a soldier who does not want to be a general is not a good soldier. Whether it is the improvement of status brought about by promotion or the improvement of salary, it will make people feel satisfied and vanity.

In contrast, the starting point of the forensic profession is lower, there are more places for further study, and the path of promotion is narrower, which is equivalent to saying that it takes more time to do more difficult things, so as to barely reach the level of the public.

This is why the employment rate of the forensic medicine industry is very low. Most of the forensic medicine graduates do not engage in the forensic medicine industry, and almost half of the forensic medicine practitioners who are already working will choose to resign or change careers after a few years of experience.

After all, in addition to higher thresholds, this industry also has more hard work and may have to work overtime at any time. For example, if a murder case occurs in the middle of the night, the forensic doctor must rush to the scene for investigation as soon as possible after receiving the call.

Everyone at the scene knew very well that the time, energy and brains required to become a forensic doctor were enough for that person to make a difference in other professions.

Who doesn't wish they could make more money!

"There was no accumulation of blood in the thoracic cavity on both sides of the deceased, and no trace of blood accumulation and staining on the inner wall of the chest wall. The lungs were stagnant, and bleeding spots could be seen between the lung lobes. A small amount of bleeding spots could be seen on the surface of the heart, and several spots could be seen on the apex of the heart and the back of the heart. Tear wound, partial shattering, interstitial bridges can be seen in the wound cavity, with life response, and the cause of death is mainly considered to be mechanical asphyxia."

The tranquility of the scene was broken by Cui Jun's voice. Everyone instinctively looked for the reputation. They could see that Cui Jun was holding a blood-red mass in his hand, and it was impossible to tell which was the lungs and which was the heart.

They just took a look at those things, and they felt extremely disgusting. They looked like when they were buying meat in the vegetable market. As long as they thought that they were people, the contents of their stomachs would keep churning.

"It's almost done. Take these body parts back. The rest of the tests will be done in the autopsy room."

Cui Jun got up slowly, took off the blood-stained gloves on his hands, and threw them into something similar to an evidence bag. Since this case was a corpse case, the victim's limbs had been dismembered, and the internal organs could be seen without an autopsy. Simply did the relevant inspection.

"Master, the broken ends of the victim's limbs are smooth and clear, without any jagged marks. They should have been dismembered at one time with sharp and light knives. Each knife was placed at the joints to avoid cutting off the bones. The murderer is very clear about the structure of the human body." Zhou Zheng hesitated for a moment, but still asked: "Could the murderer be a colleague?"

"It is indeed possible." Cui Jun nodded, and said: "The tool used by the murderer to dismember the body may be a scalpel or a butcher knife. There is no way to judge it based on the incision, but it is definitely not a household kitchen knife. It's a very sharp knife."

"A forensic doctor?"

Zhao Lei frowned fiercely, he knew exactly what this meant, it was even more troublesome than committing a crime with a mental patient like Gao Sheng.

A forensic doctor is part of the criminal investigation team. He participates in the detection of criminal cases on a daily basis. He has a very clear understanding of the criminal investigation process and how to avoid finding clues in the autopsy. He also has a clear understanding of judicial sentencing.

If this kind of person really committed the crime...

Then it must be more difficult to solve this case!

　Brothers ask for a monthly pass!

　　
　
(End of this chapter)