Chapter 538 Autopsy
Wuhua Mountain has beautiful scenery. Many people come to visit it, but most of them climb the mountains on the hiking trails in the forest. Very few people go down the hiking trails and enter the mountains and forests.
Even if someone goes in, most of them are like this young couple, or they go to the toilet temporarily or something.
Therefore, few people set foot in the mountains and forests, which brings a lot of convenience to Lu Chuan and others' on-site exploration.
The traces of two young men and women in the field entering the forest are very obvious.
It can be easily ruled out. At present, most of the other traces can be judged to be left by the murderer.
On the way the murderer went down and up the mountain, he had touched the surrounding trees more than once, and some even had traces of scratches on his clothes.
On some trees, Lu Chuan and others collected some clothing fibers.
Of course, it is impossible to tell whether these things belong to the murderer or the deceased based on the fibers alone. You need to go back and do a test.
Today is the weekend. Wang Changjiang left Haizhou City for something, so this time Shen Yan was the only one on the forensic side.
Fortunately, Lu Chuan had skills in this area and could conduct a preliminary inspection of the body with Shen Yan.
This is the first time Shen Yan has seen a corpse with this level of decay.
Of course, as a forensic doctor, a corpse of this level only has some visual impact but does not cause much discomfort to her.
Forensic equipment Qin Yong has been brought over, and Shen Yan is now fully armed.
Use tweezers to pull out the maggots on the corpse, observe the size, touch the skin of the intact parts of the corpse, and check the skin elasticity.
"Typical outdoor corrosion, the time of death is about half a month."
"The surface of the body is severely rotted, and it is temporarily impossible to see whether there are any injuries."
"The specific cause of death and time of death, We need to go back and do an autopsy to be sure.”
The analysis given by Shen Yan is basically consistent with the results of Lu Chuan’s inspection just now.
“Are the shoelaces from the deceased?”
The shoes worn by the deceased were lace-up sneakers, but now the laces on the shoes are gone and appear on the neck.
"Did the murderer do it intentionally?"
"Or was it for some other reason?"
Lu Chuan had seen this a long time ago and tried to analyze it.
“There should be two possibilities. The murderer created the illusion that the deceased had hanged himself. He had no rope in his hand at the time, so he took off the deceased’s shoelaces.”
"The other thing is that when the deceased was killed, the murderer may have been impromptu and not fully prepared, so he could only use shoelaces."
"The deceased was about 1.6 meters tall. Judging from his body shape, although She's on the thin side, but she must be at least forty or fifty kilograms, and these two shoelaces..."
Lu Chuan understood what Shen Yan meant, wondering how such thin shoelaces could bear such a heavy weight.
“I just took a quick look and the main component of shoelaces should be nylon.”
Nylon is actually nylon, which is a polymer compound and a synthetic fiber with strong The drawing depth is widely used in the field of modern clothing.
And in recent years, special materials such as super-strong nylon, nano-nylon and high-strength nylon have been developed based on the original ordinary nylon.
There are some applications in the industrial field, aviation, aerospace field, etc.
“Ordinary nylon has a relatively strong tensile resistance. Nylon as thick as shoelaces can withstand at least hundreds of kilograms of tensile force.”
So, the dead are only four or five The weight of ten kilograms can be hung by two nylon shoelaces. Three years ago, there was a case of disappearance of a junior high school student in Hengzhou City. Because it was a minor who disappeared, the case caused a great sensation at the time.
The police sent thousands of people to search, but they could not find each other.
This middle school student disappeared while attending school, and due to the imperfect monitoring facilities of the school, except for some limited lens captures, basically no valuable clues were provided to the police.
Because the parents of the missing middle school students were very emotional and had a lot of speculations, and the school’s cooperation at the time was not particularly strong, it caused a great stir in public opinion.
However, no matter how big the public sensation was at the time and how anxious the parents of the missing students were, the police sent out thousands of people to search the surrounding area of 10 kilometers but still found no one. The case could only be left like that.
Lu Chuan was in college at the time and had not graduated yet. He often caught up with the progress of the case while playing on his mobile phone.
The turning point occurred three months after the incident.
The custodian of a grain depot found a body in the woods in his own grain depot.
At that time, the body was hanging on the branch by two nylon shoelaces.
The woods of this grain depot are less than 1 kilometer away from the school.
After finding the body, the police conducted a path simulation to confirm that the student disappeared independently in the woods of the grain depot and hanged himself.
Of course, it was determined that the other party committed suicide, but there was another reason. The police found a suicide note written by the other party in the student's clothes.
The boy weighs about 70 kilograms.
70 kilograms can be withstood. Only female corpses with more than 40 kilograms and less than 50 kilograms can bear this weight. Of course, shoelaces can also bear this weight.
Of course that case could be judged as suicide because, apart from the suicide note, there were only traces of the student himself at the scene and no one else’s.
The preliminary surface inspection of the body was quickly completed. Lu Chuan called two people to help lift the body up. It was difficult to remove the body hanging from the tree.
It's not that the body was hung high, but that the shoelaces had been dug into the rotting neck. If you wanted to minimize the damage, it would require the cooperation of multiple people to remove it.
The action team is still expanding the scope of on-site visits and investigations. Although it is in the mountains, there are people nearby who often go to the mountains to pick mushrooms.
Maybe there will be a discovery, but not necessarily.
In the forensic autopsy room, Shen Yan began to dissect the corpse.
Although Wang Changjiang is not here, Shen Yan is already capable of taking charge of her own duties. There is no problem in performing the autopsy by herself, not to mention that Lu Chuan is there to help.
Because it was a rotting corpse, and Lu Chuan had his own unique insights into cultivating maggots and judging the time of death of a corpse, Qin Yong asked Lu Chuan to help.
"Preliminarily, the maggots do not reproduce between generations. They should be the first generation of maggots. Judging from the size of the insect repellent, the growth time is in the second stage, and the death time should be between 13 and 14 days."
There is a strict process for judging the time of death of outdoor corpses, and it is quite accurate.
Shen Yan nodded: "It hasn't rained in Wuhua Mountain these days. Judging from the local temperature and humidity, the corpse's decomposition time is indeed about two weeks."
On the autopsy table, The body's clothes had been cut off.
"There were no obvious wounds in the chest and abdomen, and the hyoid bone was broken. The cause of death was initially determined to be suffocation."
Of course, Shen Yan only confirmed the preliminary reason for her speech, and the cause of death was just suffocation, but it was not certain. Was it strangled or choked to death.
Because the neck is highly decomposed, no pinch marks or strangulation marks can be found.
(End of this chapter)