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Roadkill ¡¤ 4

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    Although the skin surface of the corpse has been highly charred, some problems can still be found through the incompletely burned internal organs and bones.  If the death is caused by blunt force trauma, the skull will definitely be dented or deformed; if the death is caused by sharp force trauma, corresponding incisions will be left on the main organs of the human body.  If you want to reach a 100% conclusion on this case, it is best to find the answer from the corpse.

    I was about to lift the body with all my strength, but suddenly with a light move of my hands, I ripped off two pieces of muscle tissue that were burnt on the outside and tender on the inside.

    "The carbonization is very serious. It seems that we should check it in the car." Brother Ming took the two pieces of cooked muscle tissue from my hand and carefully placed them on the body bag.

    ¡°Jiao Lei, you take photos from the passenger seat.¡± Brother Ming helped him choose a shooting spot.

    "clear."

    After Fat Lei was ready, Brother Ming picked up the tweezers and scalpel from the tool box and began to examine key parts.

    The tender yellow fat tissue under the skin of the deceased was almost burned away, leaving only some muscle tissue close to the internal organs. The color was like skinless roast duck meat, slightly white.  Brother Ming used tweezers to lift up pieces of burnt black skin and began to examine them. As he lifted and lowered the tweezers, the smell of barbecue wafted into the car.

    "Jiao Lei, here!" Brother Ming suddenly raised his voice and pointed at the chest of the deceased.

    "Three incisions?" Pang Lei narrowed the focus of the camera, and through the lens, the subtleties on the corpse were magnified.

    ¡°Kill people and burn their bodies!¡± Brother Ming gave the final conclusion to this case.

    Hearing this result, we all took a breath. Among all murder cases, corpse burning cases can be said to be the most difficult to handle. The physical evidence at the scene is severely damaged, and in many cases it is impossible to start.  Looking back on the several corpse-burning cases I have handled over the years at work, none of them were easy to solve. Basically, they all went through nine twists and turns.

    "Xiaolong, look for the frame number and engine number of the car." The crime scene was on the side of the cement road, and there were no footprints left at all. Even if fingerprints were left on the car, it was basically completely destroyed by the fire.  When I was worrying about where to start my exploration, Brother Ming had already found a shortcut for me.

    The "frame number and engine number" he talks about are like a person's ID number. They are the unique identification code of the car, especially the engine number. It is engraved on the car engine when the vehicle leaves the factory. Even if it is a fire  It is impossible to destroy it by burning it.  Although cars are chattels, they must go through the registration procedures at the Vehicle Administration Office before they can be put on the road. In other words, every vehicle that is running normally on the road will be registered at the Vehicle Administration Office.  As long as we find the engine number of the car, we can easily find the owner of the vehicle. The suspect can drive this car to kill people and burn corpses. The owner of the vehicle may not have anything to do with this case, but this line can be used as the entire  The most powerful beginning of the case.

    The greater the hope, the greater the disappointment.  When I wiped away the floating dust on the engine number, a neat metal friction mark appeared in front of me.

    ¡°The engine number was polished?¡± Pang Lei¡¯s eyes widened in disbelief.

    I pointed to the traces with metallic luster and said: "Fresh traces. The suspect polished the car after it was burned. The polishing marks are very regular. He used professional tools. If my guess is correct, this should be the one on the market."  Marks from the handheld cordless sanders commonly used on the surface.¡±

    "Did the suspect come prepared?"

    "Whether I came prepared or not, I can at least prove one point."

    "Prove what?"

    "It takes time for a car to burn. The suspect was able to wait until the car burned before polishing it, which shows that he may be secretly observing somewhere around him. There is farmland to the south of the road and vertical mountains to the east. Only the short hillside to the north of the road is the most suspicious.  So our exploration scope needs to be expanded.¡±

    "Well, that makes sense." Brother Ming looked at me with approval.

    As everyone's guidance, I pushed the north less than 20 meters, and I found a potholes. I found a lot of "Huangshan" cigarette butt around, which made us overjoyed.

    "You can see the car right here!" Ye Qian stood in front of the pit and pointed with her hand.

    "There are overgrown weeds all around. No one would come here at all. The cigarette butts should have been left by the suspect. It can't be wrong." Ming Ge said with certainty after looking around the situation.

    "That's not right!" I squatted near the cigarette butt and had doubts.

    "What's the matter, Xiaolong?"

    "I suspect that while the car was burning, the suspect?Possibly left.  "

    "Oh? How did you judge this?" Brother Ming asked.

    I pointed to the four cigarette butts in the pit and explained: "This 'Huangshan' cigarette is a specialty of our Bayan Province. After handling the case of rape and murder of a female student last year, I analyzed various cigarettes."

    "The weight of a cigarette is 0.9 grams, the weight of the cigarette butt is about 0.15 grams; the length of a cigarette is about 8.4 cm, the diameter is about 0.8 cm, the length of the filter wrapper is 3 cm, and the length of the sponge inside the filter is 2  centimeters, 1 centimeter where the filter wraps the cut tobacco, and the amount of smoke a cigarette can produce is 500 milliliters. These are the basic attributes of cigarettes. After understanding the attributes, I then analyzed its other characteristics."

    "It takes 10 minutes for a cigarette to spontaneously ignite in an indoor environment; when doors and windows are open or there is natural wind flowing, it takes 7.5 to 8 minutes, which is close to burning one centimeter per minute."

    As I said that, I picked up a cigarette and squatted in the pit and said: "The ash here is mostly cylindrical, and the amount of saliva soaked in the cigarette butt is relatively small, indicating that the suspect basically did not take a few puffs, while normal people do not  When smoking, his hand should be hanging down naturally, and the burning cigarette was placed in the depression. Coupled with the surrounding weeds, this basically formed an 'indoor-like' environment. According to estimates, the suspect  The burning speed of the cigarette in your hand is close to one centimeter per minute."

    "In this pit, there were only three completely burned cigarettes, and the other one was extinguished just after it was lit. He extinguished the cigarette to prepare to leave. At this time, the car's fire may have been extinguished. It takes 8 to completely burn a cigarette.  It can be concluded that the suspect only squatted in this pit for half an hour at most."

    "I don't agree with your point of view." Ye Qian retorted, "What if he hadn't smoked before and held it in until the last half hour before smoking? Or what if he only had four cigarettes in the box?"

    "What you said cannot be explained from the perspective of criminal psychology." Brother Ming spoke at this time.  (Remember the website address: www.hlnovel.com
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