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The Pledge of Love ¡¤ 4

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    If it were other cases, Brother Ming would definitely formulate a detailed re-investigation plan before re-investigation, but in this case of bones, it became a matter of "depending on God".  The current predicament is that we don¡¯t know the year or month the suspect committed the crime, nor do we know how many tenants the house has had. I really can¡¯t think of the point of re-examining the scene.

    When we came to the center again, Brother Ming squatted in front of the concrete platform.

    "We took out the complete skeleton in the cement. Judging from the dent marks in the cement block, the deceased was curled up when the cement was poured. We have previously analyzed that the suspect committed the crime in a narrow space. If  The suspect poured the body immediately after the murder. At that time, the body was in the muscle relaxation stage. Under the influence of gravity, the deceased would lie flat instead of curled up. From this point of view, it is speculated that the suspect should have been very long after killing the person.  It took a long time to think of the method of hiding the corpse in cement. By then, the corpse had already developed rigor mortis, so the corpse would remain curled up."

    Brother Ming's words left some of us, Monk Zhanger, confused. He continued: "During the excavation of the bones, we found no traces of clothing on the deceased. In other words, the deceased may have been naked when he was poured.  Why did the suspect take the trouble to take off the deceased's clothes?"

    "Is it to reduce the workload?" I put forward a hypothesis.

    Brother Ming nodded in approval: "Yes, it is very likely that this is the reason. If the case happened in Futian'er, the weather was hotter at that time, and the clothes people wore were more close-fitting. Taking them off or not would have no meaning for pouring the corpse.  Large, but if the temperature was low when the crime occurred and the deceased was wearing more clothes, this would increase the workload of the suspect. Based on this, it can be inferred that the murder should have occurred when the weather was cold. According to our Yunxi City  Judging from the weather conditions, December, January and February are very likely.¡±

    Brother Ming continued: "There is a time interval between the suspect's murder and the hiding of the body. That is to say, when the suspect was pouring the body, the body had completely become rigor mortis. At this time, if you want to take off the clothes from the curled-up body, you can only use scissors.  Waiting for tools. Let's go back and try our luck in the house to see if we can find women's clothing with obvious cutting marks. If so, maybe we can find a breakthrough."

    "Is this okay?" Ye Qian looked at Brother Ming with admiration.

    Just when everyone was gearing up to enter the house to take a closer look, I was attracted by a faint trace on the cement platform.

    "Xiaolong, what are you looking at?" Ye Qian poked me.

    ¡°Brother Ming, I have made a major discovery.¡± I pointed at several plum blossom prints directly above the cement platform and shouted.

    "What is this? Does it make you so excited?" Ye Qian stretched her neck.

    "Here, help me." I took out the ruler from the tool box and motioned to Ye Qian to help measure the data.

    After a few minutes, I came to the conclusion with absolute certainty: "It's the footprints of a large dog."

    "What? Dog footprints? What's the use?"

    Maybe many people will have the same questions as Ye Qian, but in my opinion, this is definitely a new breakthrough.

    In traceology, in addition to studying human handprints and footprints, some animal traces are also included. Among them, the footprints of common pets such as cats and dogs are also the focus of traceology research, so I have no idea about dog footprints at all.  strangeness.

    Dog feet can be divided into front feet and hind feet according to their structure.

    The forefoot bones can be divided into: carpal bones, metacarpal bones, and phalanges.

    The hindfoot bones can be divided into: tarsal bones, phalanges, and metatarsals.

    ?Compared with the palm prints and toe prints of human feet, dog footprints are divided into three major parts: toes, palms, and claws.

    The so-called toes are toes. Just like humans, dogs have five toes and their lengths are proportional.  According to the order, one toe is the shortest. When the dog is walking, one toe does not touch the ground, so it will not leave a toe mark; the second toe and the fifth toe are arranged symmetrically, and the fifth toe is larger than the second toe; the third toe and the fourth toe are arranged symmetrically,  The four toes are narrow and shorter than the three toes. The shape of each dog's toe structure is special and stable. The size of the toes and the distance between them are also different, and the shape of the tangent line of the toe ends is different.

    Speaking of palms, we must first explain the occipital part of the dog's feet.  The occiput is the pillow-like elastic tissue and fat at the bottom of the dog's foot, which is the part that supports the ground.  The occipital epidermis is a thick and hairless cuticle, which can be divided into four parts: wrist pillow, palm pillow, plantar pillow, and finger pillow. The paw prints of the dog's feet are actually the imprints left by the force on the occipital part. Usually the front feet of dogs  The paw prints are flat and flat, and the paw prints of the hind feet are raised.

    ?Then there are the claws, which are the toe organs of dogs.  It can be divided into claw shaft with claw groove, claw wall with claw crown and claw bottom.  The claw shaft is the part of the toe skin that becomes the claw.  The claw wall is a whole, which is located on the dorsal side of the claw and the crown of the claw on both sides.Raise it high and place it in everyone¡¯s sight: ¡°When we check out at the supermarket, the cashier scans the barcode in front of the optical identifier, and the name and price information of the product can be immediately displayed on the electronic screen. This is  Scanning technology.¡±

    "The ean code of a product is actually a graphic of lines (bars) and spaces (spaces) of manufacturer code, product model, serial number, check code and other information, which are combined according to certain rules. We can use reading equipment and computers to  The software system converts product barcodes into information.

    ¡°The production date is completely invisible on our packaging bag, but we can find out the manufacturer of this bag of dog food based on the barcode, and then find the specific sales date and sales area of ??this bag of dog food based on the serial number and product model.  And you see"

    As I said that, I pointed to the shelf life column on the packaging bag: "The shelf life is 12 months. It is impossible for the suspect to buy expired dog food. As long as we can find out the specific production time and sales time of the dog food, we can deduce the year."  , Brother Ming has just analyzed that the time when the suspect committed the crime was within the three-month period of December, January, and February. As long as we know the year, we can screen the missing persons who meet the characteristics in the city, so that we can search for them.  Corpse source will be of great help.¡±

    "Teacher Guoxian has already compared the DNA, didn't he find any information that meets the requirements?"

    "DNA technology has only become popular in recent years. If the deceased has been dead for a long time, it is normal that DNA information is not collected." Lao Xian explained.

    "Xiaolong's method is completely feasible. When this clue fails, we will think of other methods. Next, we will focus on investigating the inside of the house according to the plan."

    "Understood." (Remember the website address: www.hlnovel.com
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