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Parasitic evil thoughts ¡¤ 3

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    The autopsy continued. Ming Ge found four metal pieces and inserted them into the deceased's body along the wound. When the metal pieces came to rest, Ming Ge took out the protractor and began to measure the angle between the metal pieces and the corpse.

    "The four included angles are: 79 degrees, 84 degrees, 82 degrees, and 86 degrees, basically close to 90 degrees. If the deceased was standing when he was stabbed, then after he was stabbed with the first knife, his body would instinctively  The deceased should be lying on his back before being stabbed.

    "The four sharp wounds had smooth and flat edges. When the knife was inserted, it was in direct contact with the skin. There was no obvious resistance wound on the body surface, indicating that the deceased was naked and lost his ability to resist when he was stabbed."

    After the wound examination was completed, Brother Ming began to observe his lower body: "On his lower body, he only wore a pair of black boxer briefs, which were worn inside out." After speaking, Brother Ming cut the underwear open. "Grease and dirt are concentrated on the inside. The deceased did not have the habit of wearing his underwear inside out.  , so I have reason to suspect that the deceased's underwear was once taken off and then put on again. In other words, the deceased was naked before being killed."

    "With no clothes on and lying on the bed, could the deceased and the suspect be doing that?" Fat Lei implicitly put forward a hypothesis.

    "The possibility is very high." Brother Ming said, poking his finger into the end of the rectum of the corpse. "The contraction of the anal sphincter is normal, excluding the possibility of homosexuality. The incision is not deep, and the suspect was not very strong when committing the crime. Comprehensive analysis, the suspect in this case may  It¡¯s women.¡±

    When extracting the footprint sample of the deceased, I discovered a detail, so I interjected: "Brother Ming, there is a purple-red semicircular mark on the inside of the corpse's calf. How was this formed?"

    Brother Ming: "It's not like a birthmark, nor is it like a leftover lesion. It's hard to tell just from the surface features. Guoxian, please extract some tissue for a while and see if you can get the test results."

    "OK."

    The autopsy lasted for nearly three hours. At 2 p.m., the first project meeting was held as scheduled.  Because we still don¡¯t know where the first scene is, Fat Lei and I became the decorations of this meeting.

    Brother Ming: "Let me briefly introduce the autopsy situation first. The deceased was a male, about 25 years old, 1.75 meters tall. The cause of death was sharp heart injury; the scrotum was full, and there was semen in the urethra. The deceased had had sex before his death.  Behavior. Except for the abrasions and scratches caused when the body was dumped, there were no obvious external injuries or resistance injuries on the body. It is suspected that he was not conscious before his death. That¡¯s all I have for now, Ye Qian, how is the investigation of the missing persons going?  ?¡±

    Ye Qian: "All prefecture-level cities on the Sishui River have been contacted. We have screened out several missing persons who met the requirements. After DNA testing, they were all excluded."

    Brother Ming nodded: "Guoxian, please introduce the physical and chemical tests."

    Lao Xian: "I extracted a total of 6 samples. The first one was a blood sample of the deceased. The alcohol content was 145 mg per 100 ml. The body had been soaked for such a long time, and its blood alcohol content was still so high.  , indicating that he was in a state of deep drunkenness during his lifetime.

    "The second test is a diatom test. If the deceased entered the water before he was alive, his liver, kidneys, brain and bone marrow would have inhaled a large amount of diatoms along with the circulatory system; if he fell into deep water after death, under the action of high pressure, his organs would also  Enter diatoms, but there is one exception, that is the bone marrow. No diatom components were detected in the bone marrow samples of the deceased in this case, so it can be concluded that he entered the water after death.

    "The third portion was the stomach contents of the deceased. During the examination, the stomach contents were full, indicating that he was killed shortly after eating. After separation, the deceased's stomach contained mutton, minced mutton bones, mutton marrow, vermicelli, coriander, bean cakes and peanuts.  .¡±

    "The deceased's last meal was sheep and scorpions." Fat Lei definitely has a say in what he eats.

    Lao Xian did not doubt Fat Lei¡¯s answer. He asked: ¡°We Yunxi City people are accustomed to eating beef, so there shouldn¡¯t be many shops selling sheep and scorpions, right?¡±

    Fat Lei shook his head: "Brother Xian, don't forget, there is a Hui township in our city. The Hui compatriots like to eat mutton the most. It is estimated that there will be no less than a hundred shops selling mutton and scorpions in Yunxi."

    Hearing what Fat Lei said, Lao Xian also sighed. He paused for a while and then said: "I found live Demodex folliculorum in the hair follicles of the deceased. It belongs to the class Arachnida, is small, worm-shaped, and has a relatively thick body wall.  Thin, chitinous membrane structure, mainly parasitic in the hair follicles on the sebaceous glands of the face, scalp, nipples, chest, buttocks, etc. People with oily skin are prone to breed this kind of mites in large areas. When these mites gather on a large scale in a hair follicle,  At that time, it is easy to cause folliculitis dermatitis, which is manifested as diffuse flushing, congestion, abscesses, itching and burning sensation on the skin of the tip of the nose and the sides of the nose. This kind of mite can only survive in the water for a week, so the suspect dumped the body.  Time is 7 daysWithin ??.  "

    "Teacher Guoxian, can a corpse form a giant view in 7 days?"

    Ye Qian¡¯s question is also where many laymen are most likely to get confused.  The most important condition for forming a giant view is the rising speed of a sinking corpse.  The faster the corpse floats, the stronger the reproductive capacity of the bacteria in the body.

    The floating speed of a corpse is determined by many factors.  In practice, there are three most common situations:

    1. The physical constitution of the deceased individual.  In addition to the often mentioned differences between fat and thin, there are also gender differences.  Women have a larger proportion of body fat than men. Under the same external conditions, female corpses float faster than male corpses.

    2. The clothing of the deceased.  If the deceased wears too much clothing when entering the water, it will easily absorb water and increase the specific gravity, which will slow down the floating speed and delay the decay time. The opposite will be true if the deceased wears too little clothing.

    3. Properties of water.  According to Archimedes' principle, f=pgv (where p is the density of the liquid, g is the ratio of gravity to mass, and v is the volume of the liquid displaced). It can be seen that when the value of gv remains unchanged, the liquid  The greater the density, the greater the buoyancy, so corpses will surface quickly in seawater or high-concentration industrial wastewater.

    Knowing the above situations, let¡¯s take a look at the state of the corpse in this case.  First of all, the deceased was only wearing a pair of underwear, and there was no water absorption from the clothes; secondly, the Sishui River was polluted all year round, and the density of the river water was not low; thirdly, there was a vortex in the undercurrent at the bottom of the river.  The combination of various factors can easily cause the body to float quickly.  After the body floats to the surface, the outdoor high temperature will intensify the reproduction of microorganisms, so it is very likely that a giant view will form within 7 days.  (Remember the website address: www.hlnovel.com
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