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Flames of Sadness ¡¤ Sixty-Two

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    After Lao Xian collected all the test samples, he hurried back to the unit. Brother Ming took the remaining few of us to start the detailed dissection work. During this period, none of us said a word. Compared with the relaxed mood before the police were dispatched, Lao Xian  , now each of our hearts are entangled.

    Because it was basically certain that this was a case of murder and corpse burning of a bad nature, Ye Qian also made a detailed report on the case to the criminal police team as soon as possible.  Of course, it can only be a notification.

    The crime scene was in a rural area and there was no surveillance equipment around it.  According to the reporter's description, the crime occurred around three o'clock in the morning. Almost all rural people are asleep at this time, and this time is also the deep sleep period when melatonin secretion is the strongest, so it is difficult for anyone to provide valuable information.  Condition.

    The identities of the two deceased persons have not yet been determined.  There was no trace of physical evidence at the crime scene.  The suspect's motive for the crime is unknown.  As of now, this case is a complete mess.  We still have no clue. What can you ask the criminal police team to do?  So I said, this can only be a notification.

    The autopsy work was much slower than I expected. It took another four hours before we packed up the tools and returned to the department.  Standing in the yard, you can vaguely hear a buzzing sound, which is the unique sound of the ventilator in Lao Xian's laboratory.  Apparently, his inspection work is still ongoing.

    From the time I visited the scene until now, one question has been bothering me, and that is how the suspect used to re-insert the internal lock after committing the crime, creating a scene of "body burning in a secret room".

    To understand all this, we must start with the blackened insert lock.  With confusion, I walked into my trace examination room. If I want to know what method the suspect used, from my experience, I must observe the subtle traces.  What are subtle marks?  It is easy to understand by giving an example, such as the pry marks on the lock cylinder, the scratch marks on the cartridge case, etc. These marks that cannot be distinguished with the naked eye belong to the category of subtle marks.

    One tool that must be used to observe fine traces is a comparison microscope. This microscope is much larger than an ordinary microscope and contains two objective lenses. Its usual use is to image two specimens in the same field of view for comparison.  observe.

    There are many types of comparison microscopes, and the one we use is an improved version above the average level. The beauty of it is that it comes with a computer, which can easily measure the data of trace traces during observation.  The length-to-width ratio of trace traces is an important basis for identifying whether they are traces of the same type.

    I picked up the inner lock extracted from the scene with homemade tweezers tied with cotton balls, and then gently placed it on the storage tray.  Then I quickly put my eyes firmly on the eyepiece.

    ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? As the knob on the microscope slowly turned, tiny strips of traces that could not be detected by the naked eye became clearer and clearer in front of my eyes.

    Wow!  I pushed my feet on the ground, and the square chair with pulleys and I quickly moved in front of the computer. At this time, a photo magnified hundreds of times appeared on the LCD screen.  In the next time, I will find what I think is suspicious among these seemingly messy traces of lines.

    Through the software that comes with the computer, some data with four digits after the decimal point were densely marked on the picture. Three hours later, I recorded five data in my notebook.  Brother Ming and the others have been waiting for me anxiously for nearly two hours. As soon as I walked out of the examination room, Ye Qian hurriedly pulled me into the conference room.

    "Have you finished over there?" Brother Ming pressed the cigarette in his hand into the ashtray, raised his head and said to me.

    "Yeah!" I nodded.

    "Okay, let's get started!" The sound of notebook pages turning came from the conference room.  Each of us had a solemn expression on his face, even Fat Lei, who was always laughing and joking, his face was full of anxiety.

    "Xiaolong, please tell me first!" Brother Ming's voice was slightly tired.

    "Well, I'll just give you a little here." In order not to waste time, I spoke faster, "I just found in the inspection room that there were several line-like depression marks on the internal pin lock at the scene. From the origin of the marks,  Based on the analysis of the measurement data of the mark end, mark wall and mark bottom, these dent marks were caused by the same tool. Several marks appeared side by side on the lock, because they were inserted into the socket during the suspect's arson.  hole, so it was not greatly affected, but there were some traces of smoke on the surface. Under the observation of the comparison microscope, I can basically judge that these traces should be the suspect standing outside the door using a blade to pass through the door.  The cracks were used to move the locking rod bit by bit into the socket. This also explains from the side the way the suspect created the secret room and burned the body."

      "Jiao Lei, do you have anything to say?" Brother Ming then asked.

    ¡°Not yet!¡±

    "Then let me tell you about my situation!" Brother Ming opened his notebook. "Through the autopsy, I learned that the deceased was a man and a woman. Both of them were about fifty years old. The heart of the male deceased was  He was stabbed to death with a sharp instrument. Then I found a large amount of charred traces of blood in the photos taken by Jiao Lei, which showed that the male deceased should have been killed in a bungalow. The female deceased had blunt force injuries on her head.  The cause of death was carbon monoxide poisoning.¡±

    "Based on the autopsy and combined with Xiaolong's description just now, I speculate that the suspect's crime process should be like this: he first killed the male deceased with a knife, then knocked the female deceased unconscious with a blunt instrument, and then used a cloth or something like that to kill the male deceased.  They tied the limbs of the female deceased with something, then set the body on fire, and finally left the scene through the door, and finally locked the door from the inside through the crack in the door to mislead our investigation direction."

    "Guoxian, what's going on over there?" (Remember the website address: www.hlnovel.com
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