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Whispers of the Dead ¡¤ 5

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    After the on-site inspection of the color board house was completed, we bypassed the living room and went directly to the second floor of the western-style building.  The second floor is a two-bedroom and one-bathroom structure, with two bedrooms in the north and south on the west side, a bathroom on the east side, and a set of sofas in the living room in the middle.

    There were also a lot of blood stains on the ground on the second floor, but strangely, the door frames of the two bedrooms were cracked to varying degrees.

    Fat Lei was a little confused: "What's going on? Why did you kick the door down?"

    I pointed to the door: "Forget about anything else, Brother Lei, look, the suspect left two shoe prints on the door."

    Fat Lei took a closer look and said, "Xiaolong, are you mistaken? There is no pattern at all on the soles of the shoes. How can you tell?"

    "Male, about 1.75 meters tall." I put away the measuring tape and gave the answer.

    Fat Lei was a little confused: "How do you judge whether it is true or false?"

    "It's very simple," I explained, pointing to the door frame. "Although the shoe prints have no pattern, you can still distinguish men and women from the size. When kicking the door, the kicking force of the legs acts on the door, and at the same time, the soles of the shoes are also affected by an equal and opposite direction.  The result of this interaction is that shoe prints are left on the door."

    "When kicking the door, three situations usually occur: The first is when a tall person kicks his foot low. In this case, the shoe print is completely reflected on the forefoot, with occasional slippage, and the heel is incomplete or only appears on the front edge of the heel.  . The second type is for short people to kick their feet high. In this case, the heel of the shoe print is completely reflected, and there may even be traces of pushing up the trailing edge of the heel, and the reflection of the forefoot is not obvious. The third type is adapted to the height. The front and back  The sole of the foot is evenly stressed and the shoe print is relatively complete.

    "What the suspect left on the two wooden doors was the third type of door kicking shoe print. It is known that the ratio of a normal person's upper body to lower limbs is 1:1.06. As long as the height of the door kicking shoe print from the ground is measured, it can be calculated by substituting it into the formula  Approximate height of suspect.¡±

    "How big is the error?" Fat Lei was very concerned about this issue.

    ¡°It¡¯s not very big, about plus or minus 2 centimeters.¡±

    Fat Lei put away the camera: "That's basically it."

    After the shoe print extraction was completed, we started the investigation from the north bedroom.  In the north bedroom, there is a single bed against the east wall, and the rest of the space is occupied by a wardrobe.  The south bedroom has the same layout.  Lao Xian glanced back and forth: "There was blood splattered on the carotid artery on the bedside of the north bedroom. Fan Fang's fatal injury was on the neck. She was killed in the north bedroom. The blood splattered in the south room was not obvious, and Ge Mingyuan's fatal injury was  On the chest and abdomen, Ge Mingyuan was sleeping in the south when he was killed."

    ¡°The indoor cabinet door was open, and there were signs of turning at the scene.¡± I added.

    Fat Lei: "Is it a home invasion, robbery and murder?"

    I felt tight in my heart: "I hope not, otherwise it would be very difficult to find the suspect given the conditions of case handling in Juren Community."

    Fat Lei groaned and said, "Alas! Such a big community doesn't even have a working camera. What a bastard."

    During the conversation, Lao Xian put a blood-stained cotton swab into a plastic tube: "Are there not enough weird cases we have investigated? Stop complaining and go to the third floor."

    Just when we reached the stairs, I suddenly made a discovery: "What's going on? Not only are there no blood stains on this staircase, there are not even any suspicious traces."

    Fat Lei: "Is it possible that the murderer never went to the third floor?"

    Lao Xian: "The third floor is Ge Liang's residence, and he was killed in the living room. It's not impossible that the murderer didn't go to the third floor. Let's go up and have a look."

    The 2nd and 3rd floors have the same architectural layout, except that the south bedroom on this floor was converted into a computer room.  We found no abnormalities in the north bedroom, so the computer room became the focus of the investigation.

    The door of the computer room faces east, and there is a bookcase placed against the west wall; against the north wall is a refrigerator, which stores various drinks and food; against the east wall is a 1 meter by 2 meter computer desk, with a  Displays, keyboards, mice, desk lamps, stereos, ashtrays, headphones, cigarettes, etc.  Among them, there was a newly lit "Jinwan" cigarette in the ashtray, and the desk lamp and LCD screen were both turned on.  There is a computer mainframe under the table, a headset is connected to the headphone jack of the case, and the power indicator light of the mainframe is also on.

    Fat Lei is an "otaku uncle" and he understands the lifestyle of otakus very well. By observing the indoor items, he analyzed: "The computer chair slid to the west end of the room under force; the cigarette in the ashtray was extinguished as soon as it was lit, indicating that there is  An emergency situation; the power indicator light on the chassis is on, the host is not started, and the LCD screen is in screen saver mode; the headset is left on the keyboard; according to my analysis, the deceased Ge Liang may have experienced a sudden power outage while surfing the Internet."

    I asked: "Sudden power outage?The suspect did it?  "

    Lao Xian: "Is it to lure Ge Liang downstairs?"

    Fat Lei pinched his chin and began to observe the distribution of wires in the house: "The decoration style of the whole building is very fake. It should not be done by the decoration company. During the decoration, there were no wire troughs in the wall and no integrated electrical control panel was installed. If the suspect wants to cut it off,  The power supply can only be obtained from the meter box." In order to confirm his hypothesis, Pang Lei pulled out the main power line from the house, and then several of us followed the line and found the metal meter box at the corner of the yard.

    Lao Xian: "Look, there are blood stains on the box. Fat Lei's guess is correct."

    Looking at the lock ring protruding from the meter box, I was a little confused: "To prevent electric shock, the meter box is usually locked. Did the suspect also bring a lockpicking tool?"

    Fat Lei is impatient. Before Lao Xian could finish extracting the blood stains, he opened the meter box and said, "Oh, let me go. You really guessed it right. Look, isn't the lock in the box?"

    I took out the small three-ring lock from the corner of the box: "The lock ring was cut off, and the suspect really brought a lockpicking tool."

    Fat Lei: "The cross section is quite neat. Can you tell what tool was used?"

    "There are two types of tools that can cause such marks. The first type of pliers tools, common ones include hydraulic pliers, bolt cutters, hawk-beak pliers, wire cutters, nutcrackers, etc. Pliers tools can form two  For decapitation, each decapitation has two slopes, and the slopes are basically the same size. The second type of cutting tools, common ones include scissors, carp pliers, cable cutters, etc., the shearing tools form two slopes for decomposition.  Inconsistent. From the cross-section analysis, the suspect used large wire cutters among the pliers. And did you notice that the entrance wire connected to the electric meter was also cut?"

    Fat Lei was a little puzzled: "Don't you think the suspect was doing something unnecessary? If you want to cut off the power, you can just pull the switch. As for cutting the power cord?"

    "This is precisely where the suspect's brilliance lies." Brother Ming explained, "Ge Liang had a blunt force injury on his head. The suspect probably hit Ge Liang on the head with a blunt object from behind while he was going downstairs to observe the meter box.  Causing Ge Liang to fall into coma. If the power supply can be supplied by pushing the switch, then the time left for the suspect to attack is very tight. He can only let Ge Liang stay near the meter box for a long time by cutting the power cord. "

    "Is this a premeditated murder?" I asked.

    "We can't draw conclusions so early. We won't touch it until all the physical evidence is processed." (Remember the website address: www.hlnovel.com
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