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Roadkill ¡¤ Nine

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    You can search for "Nine Drops of Water¡¤Corpse Investigation Department Series (7 volumes in total)" on Baidu to find the latest chapters!

    The good thing is that Pang Lei did not disappoint us.  On the morning of the second day of video analysis, he called all of us into the conference room. In order to facilitate our observation of the extracted video clips, he also deliberately put down the projector in the conference room in advance.

    "Brother Lei, is there any result?" I looked excited.

    "Don't get too happy so early. Wait until I finish the analysis." Fat Lei looked serious.

    The conference room suddenly became quiet, and the desktop of Fat Lei's laptop was displayed on the large projector screen.

    ¡°Bah, bah, bah,¡± Pang Lei clicked on the yellow folder marked ¡°Shen Guangming¡¯s Corpse Burning Case.¡±  Then a video in avi format is double-clicked to open.  In the video, the taxi driven by the deceased turned right into an intersection and quickly turned out again.  Fat Lei explained: "This is the video surveillance of Shen Guangming's last time driving a taxi to carry passengers. The vehicle turning right is a blind spot in the video. The time interval from when he turned in to when he turned around was less than five minutes. At this time, he  It is very likely that he pulled the guest on the roadside. After the guest got in the car, he went straight to Fountain Road, which means that the person he pulled can be identified as a suspect. "

    Having said this, Pang Lei switched to an electronic map and placed the mouse on a location marked with a red dot: "We are all familiar with the place Shen Guangming turned into. The bar street on Yao Northwest Road, the taxi  The time period when it appeared was the peak period of human traffic, and there was a video blind spot on this stretch of road, so I couldn¡¯t judge the suspect¡¯s appearance at all.¡±

    After finishing speaking, Fat Lei clicked on the second video: "This is the entrance to the mountain road in Dawei Village where the crime occurred." When a figure appeared in the video, Fat Lei clicked the pause button: "The population nearby is sparsely populated.  , the surveillance coverage is very narrow. According to the calculated height of the suspect, only this person matches the characteristics, and the time of his appearance basically matches the time period of the crime, so I guess he is the perpetrator we are looking for."

    "This is just a figure, you can't see anything." Ye Qian said with squinted eyes.

    "There is only a high-altitude spherical surveillance camera installed here. This is the clearest video clip I can process." After speaking, Fat Lei clicked the play button.

    ¡°Brother Lei, look at his right hand.¡± When the video was halfway through, I shouted.

    Fat Lei instinctively hit the space bar. When the suspect swung his arm, a red reflective spot on his right hand caught all of our attention.

    "The situation is the same as what I deduced: the suspect left the scene after burning the body. In order to prevent us from using the car to find people, he has removed the chassis number and license plate number of the taxi, and the engine number is hidden inside the body. It requires professional  He set the car on fire and went somewhere to get the tool, so the red dot on his hand could be a handheld rechargeable sanding tool."

    ??Pang Lei enlarged the video screen: "Although the pixels are very low, it really looks like a professional tool. It looks a bit like a cutting machine for cutting tiles."

    "The suspect drives a vehicle, has car oil on the cigarette butts, knows how to destroy the license plate number, engine number and frame number, and he also has access to professional grinding tools and is so familiar with the terrain here, so I have reason to suspect  The suspect is someone who works in automobile-related industries near the crime scene,¡± I said.

    "Although the suspect walks back and forth, how can we grasp this 'nearby'? Even if we know that he is engaged in the automobile-related industry, so what? We still have no clue at all? There is nothing to expect from this.  Can invisible videos solve crimes? Are we thinking too simply?" Fat Lei said dejectedly.

    ¡°Pang Lei made me speechless. In this situation, we can only pin all our hopes on Brother Ming, but he seemed not to hear what Pang Lei said, lowering his head and concentrating on playing with his mobile phone.

    ¡°Brother Ming?¡± I shouted softly.

    He didn¡¯t respond to me.

    "Brother Ming, what should we do now?" I raised my voice.

    Hearing this, he put away his mobile phone, looked up at me, stood up and walked to Fat Lei. Then he bowed and clicked on the electronic map on the web page, and quickly scrolled the mouse to align the geographical mark on Dawei Village.  The only entrance.

    "Xiaolong's analysis just now makes sense. Generally, there are very few cases of burning corpses in taxi robbery cases, and even fewer suspects can think of removing the license plate, chassis number, and polishing the engine number. This shows that the suspect is quite knowledgeable about the automotive field.  This is one of them.¡±

    "Secondly, the corpse-burning site in Dawei Village is quite hidden. If you were not familiar with the terrain here, you would never think of disposing of the corpses here. I have lived in Yunxi City for more than 40 years, and the corpse-burning site is alsoFirst time going.  "

    "Third, most people will not buy the professional grinding tools that Xiaolong mentioned unless they have special uses."

    ¡°There won¡¯t be so many coincidences in the occurrence of one thing, so I agree with Xiaolong¡¯s portrayal of the suspect.¡±

    "I still have the same question as before, what's the use of knowing so much?" Fat Lei repeated the question again.

    "Jiao Lei, can you use video surveillance to calculate the time when the suspect entered and exited the scene after burning the body?" Brother Ming asked.

    "The surveillance video was very blurry. I finally found a video clip of the suspect returning to the scene. The scene of him leaving the scene was not recorded in the surveillance video at all. How can we judge the time?"

    "Okay, since you can't tell, then we need to do a detective experiment."

    Investigative experiments are no stranger to us. It is an investigative measure that mainly uses simulation and reenactment methods to confirm whether, how and what results will occur under certain conditions.  To put it simply, it is whether we can get the results we want under our simulation.

    In our department, investigation experiments are conducted quite frequently. The one that remains fresh in my memory is the investigation experiment of the recent floating corpse incident: At that time, the police station in the jurisdiction salvaged the body of a little girl from the Sishui River because the body was hit by the propeller of a passing ship.  It is broken, so it is impossible to judge the time of falling into the water normally.  During the autopsy, Brother Ming found two spherical lollipops in the little girl's trouser pocket, tied with plastic film and sequined wire. This kind of candy is sold in high volume at the campus gate.  The lollipops were well packaged and showed signs of melting from being soaked in water.

    According to Brother Ming's request, Lao Xian bought ten lollipops of similar specifications from the campus gate, and then used a container to imitate the water temperature and flow rate of the Surabaya River in the laboratory. When making sure that the environment was similar, he put the purchased lollipops into  Put all the lollipops in and let them melt slowly, then watch how quickly the lollipops melt every day.  Three days later, all purchased lollipop samples had melted to a degree close to those in the deceased's pocket.

    The conclusion of this investigation experiment is that it has been about three days since the little girl fell into the water.  Based on the results of this experiment, the police station investigated the missing persons in all counties and cities in the upper reaches of the Sishui River within three days, and finally found the little girl's family. Through the investigation of the family of the deceased, it was determined that this was an incident in which a child accidentally fell into the water.  From here we can easily see that detective experiments can help investigators solve many problems under certain circumstances.  (Remember the website address: www.hlnovel.com
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