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Flower Season Jianghu·4

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    So far, the on-site investigation has made the nature of the case much clearer. Regardless of the analysis of the note or the wound, the suspect’s most subjective purpose is to steal money. Now that the suspect’s thoughts are known, controlling the stolen goods is naturally included in the next list.  One step of focused work.  To control stolen goods, in short, is to start detection from the stolen items. To give a simple example, if the goods are known to be lost at the scene, once the stolen goods are sold to us, we can use this to retrieve the surrounding image data for clues.  ; or visit surrounding households to determine the physical characteristics of the suspect, so this task is particularly important.

    Half an hour later, the body was transported to the funeral home. Good news came from Ye Qian. A red brick with blood stains was found in a garbage pool near the scene. After taking the blood sample, Lao Xian handed the brick to  In my hand.

    The tool used by the suspect to commit the crime was a cube brick with dimensions of 24 cm x 11.5 cm x 5 cm. As the saying goes, laymen only watch the excitement, while experts watch the door. Because red bricks are readily available, there are countless cases of using them to kill people, so in  There is a rather detailed study of red bricks in trace studies.

    Ordinary red bricks will go through four stages in the production process: First, mixing the soil, that is, mixing the loose soil with water and then stirring it into soil with moderate viscosity.  The second is extrusion to form a mud column, that is, the reconciled soil is sent to the extrusion port of the brick machine through a conveyor belt and extruded into a rectangular mud column.  The third step is to cut and separate the bricks into bricks. The mud pillars formed by extrusion through the extrusion port are then transmitted to the 9 cutting and separation wire ports erected side by side. The 9 iron wires fixed at both ends cut and separate the mud pillars into bricks.  The fourth is stacking and drying. After cutting and separating to form bricks, they are manually transported to the storage place, stacked and dried using side stacking, and then sent to the brick kiln to be roasted for a certain period of time after being slightly dried. The finished bricks are then taken out.

    Brick making is a flow process, that is, from mixing mud to extruding to form mud columns, and then cutting to form bricks. It is a continuous production process. In this process, the cutting wires and extrusion ports of the assembly line will form on the brick body.  Stable trace characteristics.  The assembly line tools of each brick kiln will form specific traces on the bricks after a long period of use. We can find the species of the bricks based on the stable trace characteristics.

    Bricks, a crime tool, are most likely picked up randomly by suspects on the roadside, and bricks are basically mass-produced. Taking the bricks in my hand as an example, I only need to find the stability left on the brick body during production.  Trace characteristics, so that I can use this to search around to see if I can compare bricks produced in the same kiln, so that I can capture the suspect's walking track and expand the scope of the investigation.

    "Fortunately, the bricks are very new and there is no cement attached to them, so there is less chance of them being left behind after the house is demolished." With the mentality of giving it a try, I started to search along the central site, and Ale followed me in silence.  behind.

    Generally, people only use new bricks when building houses, so it is not difficult to find them. Ale and I quickly found the suspected target.

    This is a building under construction that has just had its foundation laid. Judging from the few piles of bricks scattered on the ground, it seems that the construction has just started.  After asking around, I found out that because someone said that Shibalipu was going to be demolished, in order to get more compensation, the owner demolished his original small bungalow and prepared to do something big, but unexpectedly someone reported him  , the Urban Management Bureau ordered not to start construction, otherwise they would have to face huge compensation. The homeowner used a bamboo basket to fetch water and everything was in vain. Now the whole family can only move out to rent a house, and the building materials purchased at the beginning can only be piled up randomly.  over there.

    This trick made the surrounding residents give up the idea of ??opportunism, which is why I was able to lock in the target so quickly.

    The construction site is very dusty and almost no one enters it, which brings great convenience to my analysis work.

    "Bang bang bang" After comparing more than a dozen bricks in succession, I became more convinced: "The red bricks used by the suspects to commit the crime came from here."

    "Then if you say so, there are shoe prints and cigarette butts here"

    "It's very likely that it was left by the suspect." I turned on the footprint light, and soon I found the first suspicious point on the shoe print.

    "What's wrong, Xiaolong? Is there something going on?"

    "Judging from the shoe prints, the suspect was wearing Adidas sneakers, but based on the wear characteristics of the soles, it was found that the soles were made of foam-injected rubber soles with low craftsmanship. From this, it can be inferred that he was wearing high imitation goods.  , the price of the shoes will not exceed 100 yuan, the suspect is very face-saving and has a certain degree of vanity."

    "Is this a point of doubt?"

    "Of course not. Look here." I pointed to the heel and forefoot of the sole pattern. "There are obvious half-moon-shaped indentations in these two places. This is a feature that does not appear in ordinary sports shoes, so I suspect that the suspect is  yourselfbsp; A Le rolled his eyes viciously, bared his teeth and said, "I will kill you."

    "Why are you so rude?"

    "Would you like to record it for one night?"

    The computer started up quickly, and I quickly switched out of the hippie smiling face state and copied the 50-minute video.

    "What can you tell from this?" A Le leaned his head over.

    "You can't see anything in slow motion, but it's different when you play it fast." After saying that, I clicked the fast play button four times to multiply the playback speed by 16 times.

    In the video, Ah Le looks like an actor in an acrobatic troupe, doing various moves quickly.  Just halfway through the video, A Le and I both made a major discovery.

    "This guy is"

    "The suspect is"

    "He's dancing!" we both said in unison.  (Remember the website address: www.hlnovel.com
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