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Bloody Wedding ¡¤ Eleven

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    "But here comes the question again. Why did the suspect sprinkle pepper on the crime scene? Is it sterilization?" As I said that, I cast my eyes on Brother Ming's face.

    Brother Ming exchanged looks with me and spread his hands.

    In many cases, the suspect¡¯s modus operandi is also very strange. Some seemingly impenetrable behaviors may be just superfluous additional actions by the suspect. Since it doesn¡¯t make sense, it can only be let go.

    "Guoxian, have you discovered anything else?"

    "That's it. I collected a large amount of plant cell tissue around the nail shoe prints. Please analyze it and see if it will be of any help in solving the case." Lao Xian said and pulled out another report.

    "Plant cell tissue? Could it be sawdust brought out by spikes? After all, laminate flooring is laid on site, what is there to make a fuss about?"

    "The sawdust on laminate flooring is the product of high temperature and high pressure, and there is no cell tissue fluid. And some of the plant cells I extracted on site contain tissue fluid."

    ¡°Fresh plant cells?¡±

    "Um."

    "That's not surprising. There is a large forest behind the building where the crime occurred. It is normal for a gust of wind to blow in some plant seeds." I don't think this is of any use in solving the case.

    "It's not normal." Lao Xian said thoughtfully.

    ¡°Brother Xian, can you stop showing off?¡± I urged.

    "Most of these plant cell debris are embedded in the depressions of the shoe prints. In other words, the debris was brought in by the suspect's shoes, rather than accidentally scraped into the room. Among these plant debris, I  A total of two cell layers were found, the outermost layer of dead cells and the innermost layer of living cells."

    "What does this mean?"

    "If you want to understand more thoroughly, here is some knowledge about botany." Lao Xian cleared his throat, and the rest of us wisely did not interrupt.

    "On the surface of trees, we will find a phenomenon. In fact, the bark is waterproof."

    As soon as he finished speaking, Fat Lei suddenly burst out laughing. I tilted my head and glanced at him, and laughed too.

    In the department, I have the strongest relationship with Fat Lei. Even if he doesn¡¯t open his mouth, I know that he must be imagining the scene of a puppy peeing.

    "You two, listen to what Guoxian has to say. Why are you laughing?" Brother Ming tapped his pen on the table to signal us to be quiet.

    Fat Lei and I suppressed our smiles and looked like good students who listened carefully.

    Lao Xian went on to explain: "The reason why tree bark is waterproof is because the twigs of trees gradually grow xylem over time. As the xylem divides, the cells thicken outward layer by layer, and the branches slowly  As the ground becomes thicker, the outermost cells begin to divide, producing a kind of 'cork' cells. There is an impermeable substance in these cells. They become hard and thick, forming bark. In fact, bark  The cells outside are dead.¡±

    When I heard the end, I suddenly understood what Lao Xian wanted to express.

    "You are saying that the suspect had climbed some kind of tree before entering the room, so he left this kind of plant tissue with dead cells on the surface and living cells on the inside at the scene?"

    "Yes, that's pretty much what it means."

    At this time, Brother Ming spoke: "If the suspect is climbing a tree trunk outside the crime scene, after walking for a long time, the plant tissue adhered to the soles of the shoes will fall off and will not remain at the crime scene in large quantities. This  This shows that the tree the suspect climbed is very close to the crime scene.¡±

    "Is it the woods behind the unit building?" Ye Qian answered quickly.

    "Yes, that's the only place that meets the conditions."

    ¡°That means the suspect was lying in the woods in advance, waiting for an opportunity to commit the crime?¡± I suddenly realized.

    Brother Ming closed his notebook:

    "Now is the time of day when the light is the best. Take the time to go to the office to get tools. Today we must find the tree where the suspect stepped. Maybe the suspect left us a crucial clue there!"

    A few minutes later, we packed up and set off, heading straight to the foot of the mountain in Shancheng Community.  There are no security guards in the community, and there is no gate to block it. The survey vehicle drove straight in with its police lights flashing.

    There are nine buildings built along the foot of the mountain in the community. Taking the crime scene building No. 5 as the midpoint, there are four buildings in the east and west.  There is a row of green barbed wire about three meters high between the building and the mountain. The barbed wire is connected in sections. The side close to the community is supported by several inclined metal pipes. The shape is very similar to the guardrail of a tennis court on a university campus.

    The mesh of barbed wire mesh is very smallAfter measurement, gravel with a diameter of more than three centimeters can definitely be blocked, but this thin layer of thin wire is probably difficult to block large rocks. It is not difficult to see this from some places that have been bent by rocks.  .

    Because the community is sparsely populated and usually unmanaged, the entire row of barbed wire fences is covered with thick dust.

    "Fortunately, the weather is great and there is no snow, otherwise it would really be a problem for me." I said as I took out the folding ladder from the equipment box.

    "Jiao Lei, Guoxian, you two go help Xiaolong." Brother Ming said with concern.

    I smiled knowingly as a thank you to him. Seeing Brother Ming nod towards me, I pulled out the ladder with a smile.

    In fact, many people may not know that when I first started working, Brother Ming and I were sworn enemies. If we didn¡¯t deal with each other for three words, I would go to the house and give up the job. After getting along with each other during this period, I found that Brother Ming was actually still  A rather lovely old boy.

    ? ? ? ? ? ? ? ? ? ? ? With the combined efforts of Fat Lei and Lao Xian, the two legs of the ladder were pulled out against the resistance.  Although the ladder we use has a very tall "site investigation" logo printed on it, its essence is no different from the ordinary eight-figure ladder used for decoration.

    The ladder was set up, and I climbed to the top fully dressed.

    The barbed wire fence in the community is similar to the one in the school. The top is a cylindrical metal pipe with a diameter of about five centimeters. This metal pipe is mainly designed to facilitate transportation and installation.

    The suspect once squatted on a tree outside the barbed wire fence to check the spot. If he wanted to reach the murder scene, he had to climb over the barbed wire fence.  According to the principle of trace science, "touch leaves traces", the floating ash somewhere on the top of the barbed wire will definitely expose the original smooth paint surface due to the suspect's scratches.

    The barbed wire fence is more than three meters high. It is impossible for ordinary people to reach the top, so the only ones left are suspects.

    Sure enough, as soon as I scanned it, I found a metallic reflection.

    "Yes! Here." I hurriedly got off the ladder and moved the ladder more than thirty centimeters to the west.  This time I brought a professional survey light and climbed up the ladder again.  When I looked closely at these two marks, I could clearly see the fingerprints.

    "Brother Ming, the latex glove print, this should be the suspect's climbing point. The five fingertips of the handprint are bent towards the direction of the crime scene, indicating that he turned over from the woods." I lowered my head and said.  .

    "Okay, this confirms our idea. The suspect was indeed on the other side of the protective net on the night of the incident. According to Guoxian's analysis, he should have been squatting on a tree in the woods." Brother Ming raised his head and looked at me.  said.

    "By the way, would you like to see if there are any traces of the suspect?"

    "I've seen it, no."

    "No traces were foundthe suspect did not return to the woods after committing the crimethen he should have left directly from the community." Brother Ming said to himself.

    "Jiao Lei, are there any surveillance equipment around the community?"

    "No, I've seen it."

    "Oh." Brother Ming was a little disappointed.

    We currently don¡¯t know what the suspect looks like or whether he is a boy or a girl. Unless a special target appears at a certain point in time, the video will be valuable for analysis.  Taking this case as an example, we analyze that the deceased died around 1:30 in the night. If there is monitoring equipment in the community and someone is found in the community at this time, then he may be a suspect, and the current dilemma is "  A blind man walks in darkness."

    "Ye Qian, please contact the criminal police team and ask them to visit and investigate around the community to see if there are any suspicious people after the incident, especially those who smell of blood. Tell me as soon as possible."

    "Okay, Director Leng." Ye Qian took out her cell phone and pressed a series of numbers quickly.  (Remember the website address: www.hlnovel.com
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