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Demonic Disciple ¡¤ 8

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    According to the division of labor, Brother Ming and Pang Lei dissected the bodies, Ye Qian was responsible for leading the criminal police team to visit door to door, and Lao Xian and I handled our respective physical evidence. It was already 2 o'clock in the morning when all the work was completed.

    After a simple midnight snack, the meeting on the second murder case was hosted by Brother Ming.

    "By measuring the length of the fly maggots, it was deduced that the deceased's death time was around 7:30 pm on September 8, the day after Zhou Yuzhi killed 'Xian Niang'. The autopsy confirmed my inference. The suspect  First, they used a kitchen knife to slit Zhou Yuzhi's carotid artery from behind, then used a knife to cut open the cranial cavity, and finally ate the brain.

    "This unconventional killing method confirms the suspect's abnormal subjective purpose. Generally, only mentally disturbed suspects would behave in such a weird way."

    "Ye Qian," Brother Ming changed the subject, "Did the criminal police team find anything similar during their visit?"

    "No!"

    "Okay, can you please introduce the situation of the visit?"

    "We mainly conducted the investigation around Zhou Yuzhi's social relations. According to the villagers' reports, Zhou Yuzhi rarely interacts with people and talks about gods all day long. Moreover, she is very superstitious. She has basically worshiped all the gods and Buddhas.  After offering sacrifices, I heard from her neighbors that as long as someone said that a god could appear, she would pay tribute at all costs. Zhou Yuzhi is usually reluctant to even eat meat, but she is willing to spend a lot of money on this."

    "Does Zhou Yuzhi have any enemies?"

    "There are not many people of her age in the village. She is of a very high seniority, and she usually does nothing. She often comes and goes without a trace, and she basically has no enemies."

    Brother Ming said "hmm" and then said, "Xiaolong, what's the situation at your place?"

    ¡°I extracted two types of traces, fingerprints and shoe prints.

    "The fingerprints are distributed on spoons, knife handles, and porcelain bowls, and are left by adult men. I have analyzed the shoe prints at the scene, and I can only get some general physical characteristics, without any directional results."

    "Jiao Lei, do you have any clues about the video?"

    Fat Lei spread his hands in embarrassment.

    "Guoxian, please tell me!"

    Lao Xian pushed up his glasses confidently, looking confident: "Let me start with the deceased Zhou Yuzhi. Her DNA and the shed cells on the peach branches of the 'Xian Niang' murder case can be used for the same identification. She was the murderer."  The murderer of 'Xian Niang'."

    Lao Xian passed over the previous case and continued: "The next case is the current case. I will first test the contents of Zhou Yuzhi's stomach."

    Lao Xian held out two fingers: "Before she was killed, she ate two things that normal people would not eat.

    "The first type is bentonite. Also called bentonite, it looks like clay. It is a mineral stone containing aluminum silicate, magnesium oxide, iron oxide and other substances. Its chemical composition is very stable. It swells when exposed to water and can absorb 8 to 15 times its own weight.  Because of its water content, it can be used as a component of adhesives, adsorbents, and emulsifiers, and is widely used in the paper and wine industries. In the old society or during famine years, poor people relied on eating Guanyin soil to survive.  That¡¯s bentonite. This kind of soil can satisfy hunger, but it cannot be digested and absorbed by the human body. After eating, it will cause abdominal distension and make it difficult to excrete.¡±

    After Bentu's introduction, Lao Xian continued: "The second type is a spherical object with a diameter of 3.6 centimeters, which exactly matches the diameter of the base of the 'Xian Niang' murder case. The spherical object contains phosphate and carbonate components.  Human bone components were detected, and there were traces of calcination.¡±

    At this time, Brother Ming took over the conversation: "Long-term vegetarians consume a large amount of cellulose and minerals, which can easily form a large amount of phosphates and carbonates through human body metabolism. These substances are eventually deposited in the form of crystals.  In the body, various shapes of recrystallization may occur when human bones are burned, such as finger bones, toe bones, etc. This is also the origin of the relics after the monk passed away. According to Guoxian, this spherical object is very similar to the relics."

    "No wonder the villagers say Zhou Yuzhi is a crazy believer! He really eats everything!"

    After Brother Ming finished speaking, Lao Xian took out several more inspection reports: "Next is the suspect in this case - the brain eater.

    "First, I scraped the soil from the shoe prints on the indoor floor. After analysis, the soil contained a lot of the following two substances: the first is pollen (spores). Pollen is the reproductive cell of the plant. The pollen wall is divided into outer walls.  and inner wall. According to research, the outer surface of mature pollen has different shapes. For example, cucumbers, rapeseed, corn, etc. are all smooth, pumpkins, hollyhocks, etc. are spiny, etc. The shape of pollen grains is small, generally between 5 and 200 in diameter.  Microns. According to statistics, one anther can produce 30,000 or more pollen grains. Because pollen is tiny and easily spread, it isCross-infection is easy to occur in ordinary soil, but strangely, I only isolated tomato pollen in the soil.  "

    Lao Xian continued: "The second substance in the soil is carbonamide, commonly known as urea. It is an organic compound composed of carbon, nitrogen, oxygen, and hydrogen. It is also called urea. It is a white crystal and is also the most commonly used nitrogen fertilizer.  There is no cross-infection of other pollen in the soil, indicating that tomatoes are grown in a closed space. Generally, a small amount of tomatoes are grown in rural areas without the use of chemical fertilizers. At most, they only use some farm fertilizer. Large-scale planting is also in a closed space.  It can only be a vegetable greenhouse."

    I added: "It hasn't rained for half a month, but there are a lot of mud shoe prints on the ground at the scene. According to this, the suspect should have just come out of the vegetable greenhouse before committing the murder. The leather shoes worn by the suspect are worth 200  Judging from the local consumption level, the economic conditions are not very bad. I suspect that the vegetable greenhouse where tomatoes are grown is privately owned by the suspect."

    "Well, what Xiaolong said makes sense." Brother Ming agreed with my point of view.

    Lao Xian changed the report and continued: "Male saliva spots were extracted from the porcelain bowls and spoons in the kitchen. The DNA pattern detected was consistent with the skin scrapings from the fingernails of the deceased Zhou Yuzhi. This is the same as what Xiaolong deduced at the scene.  , the two had a fierce argument in the main room.

    "Then, I found 14 hairs in Zhou Yuzhi's clenched fist, 8 of which had hair follicles with genotype xy, which matched the suspect's DNA profile. These hairs should have been taken from the suspect's head by the deceased during the dispute.  Pulled off. In addition, I also had unexpected gains.

    "The surface of the suspect's hair contains a large amount of oil. In this case, the strong secretion of oil by the skin will cause excessive keratosis of the hair follicles, thereby affecting the nutrition of the hair follicles, causing the hair follicles to gradually shrink and be destroyed. Generally speaking, as long as the hair of men has a large amount of oil, 99%  There is a possibility of hair loss.¡±

    ¡°Is it possible that the suspect is bald?¡± I asked.

    "It can't be so absolute. Seborrheic alopecia and baldness cannot be equated." Lao Xian denied my guess. "If you are old, there is a high possibility of becoming bald, but it is hard to say for young adults."

    "Then what direction can this conclusion have?"

    "Don't worry, there will be more later." Lao Xian opened the last report, "Because the suspect's hair contains a lot of oil, it is very adhesive. Observation under a microscope revealed that there was a large amount of black hair attached to it.  The object, after testing, contains potassium nitrate, charcoal, sulfur, etc.¡±

    "Gunpowder?" As a science student, the formula of "monosulfur, dinitrate, and charcoal" is very familiar to me.

    "To be precise, it should be unburned gunpowder."

    "Brother Xian, are you saying that the suspect might be a hunter?"

    "It's almost ten!"

    It is not difficult to come to this conclusion.  Because we locals all know that decades ago, if the mountain people in Yunxi wanted to eat meat, they had to hunt in the mountains, so many mountain people have the skills to make guns.  Although the crime of illegal possession of firearms has been included in the Criminal Code, many mountain people still like to take risks despite the sky being high and the emperor being far away.  The most commonly used hunting gun is a gun, and the bullets are filled with black powder and marbles. This kind of gun has great recoil and can only shoot one bullet at a time. It is only suitable for close range shooting. Each shot will emit a lot of smoke.  The component of smoke is gunpowder residue, of which incompletely burned gunpowder is the main component.

    "At the beginning of this year, the city bureau just launched an operation to eliminate guns. I believe that there are only a handful of villagers who can still find guns in their homes. In addition, he owns a tomato greenhouse. With these two directional clues, the investigation  Basically there is no difficulty." Ye Qian answered confidently.

    As soon as the special meeting ended, the Criminal Police Team organized all police forces to launch a dragnet search. 12 hours later, the criminal suspect Zhou Meng was arrested.  (Remember the website address: www.hlnovel.com
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