"Chances are, when the fire is completely extinguished, we'll have to go upstairs to investigate."

We waited, and then the fire brigade also dispatched a dry ice blaster to extinguish all the fire on the 6th floor of the building, and when we came to the floor, the yellow team of the fire brigade told us: "The 6th floor is a home design company, the source of the fire is the office of the manager of the personnel department, most of the walls of that place have been charred, the accelerant is gasoline, there is a charred male corpse inside, we found some documents on his body but they are all burned badly and cannot be identified." ”

Accelerants include combustion accelerators, slurry dispersants, water separators, ash modifiers, emulsifiers, and catalysts. Combustion accelerators usually use oil-soluble organometallic salts, such as magnesium, calcium, barium, chromium, manganese, cobalt, nickel, copper and other naphthenates and sulfonates.

"Alright, let's go check first!" Master replied, lifted the survey box and beckoned Su Yaxin and me to follow, after we walked into the office, we found that it was dark everywhere, many places were still smoking, almost the entire office was burned to charred, no place was complete, I touched it on a coffee table, and some sawdust fell off naturally like toner.

Master and I examined the deceased first, and the charred body was sitting upright in the office chair like a dried corpse, his hands outstretched, his mouth wide open, his throat still smoking, his eyes were red, as if they were filled with blood, and his muscles were exposed.

Most of the skin on his body is black and waxy yellow because of the influence of heat, although the body is more seriously burned, but it is completely charred, so in addition to making us look comfortable, the biggest advantage is that it is easier to find some additional injuries during the autopsy.

On the contrary, for a completely charred corpse, many hidden scars will be covered, and the judgment of the time of death will also be greatly affected.

We moved the charred body down first, and the deceased could smell a strong smell of gasoline, and there was an iron bucket next to him, and after testing, it was found that the gasoline came from here, and the Master said, "He first poured gasoline on himself, and then set his body on fire with something." ”

"This reminds me of a noun, self-immolation!" I say.

"Yes, but this is too strange, he can't be a cultivator......" Su Yaxin stopped talking.

"We know that people who commit suicide are likely to use self-killing, taking drugs or something, and this way of self-immolation is more common in mental disorders, and it seems that we have encountered a very special case again, but it is not yet certain whether it is an incident or a case, if he is not self-immolating under the action of external forces, it can only be judged to be suicide.

The incident refers to the fact that there is no suspicion when the case occurred, and the case refers to the fact that there is a suspicion that needs to be investigated, the corpse's hands are in the shape of a fist, and Xiao Dong who was present was puzzled: "He was burned to death, not cremated after death, there is no external force!" ”

"Heh, Xiao Dong, don't think that if the deceased is in the shape of a fighting fist, it must be that the deceased must be burned to death, we know that the principle of producing a fighting fist is that the high-temperature flame acts on the body, causing the loss of water in the tissues, hardening of the skin, subcutaneous and muscle tissues, and coagulation necrosis. Further appearance of epidermal blackening, ashing, muscle tissue strength contraction, because the flexor muscles of the limbs are more developed than the extensor muscles, the force of carbonization contraction is relatively large, so there is joint flexion, similar to the posture during boxing, the corpse encounters high temperature because of muscle contracture, there will also be a fist fight, which is impossible to tell whether it is burned before or after death! ”

Hearing Master's answer, Xiao Dong immediately showed an expression of "benefited a lot", took out his notebook and began to write.

I didn't look at the corpse for a while, I saw Gao Mingqiang inspecting in front of a wall, I came to his side, and he said: "There are traces of burnt dark wires here, and there are also open wires of the pulling power strips, which are not far from the deceased, if the deceased burns, and then touches here, the office will quickly catch fire." ”

"That's right, the fire spread so quickly because he touched the wall, and this kind of wooden wall can easily be scorched, let's pick up the ashes!"

These jobs have to be completed by Gao Mingqiang and others, the surveyor carried out ash screening work at the scene, which is called "picking ashes" in the industry, which means looking for some usable residues in the ashes, the control room here was also burned, He Sheng was also at the scene at the time, he just removed a usable hard disk, I don't know if there is a monitoring screen of the personnel manager's office at that time, I can only try my luck.

This time, in addition to the body of the manager, there were also the bodies of several employees in the public office outside, looking at their posture, it was obvious that they were trying to escape the scene at that time, but I don't know what happened, the door was locked outside, and the firefighters used a vice to cut a chain when they entered the scene.

The yellow team said to me, "This is probably something that someone did on purpose, and the murderer wanted to burn them!" ”

"But why did the HR manager set himself on fire, as if he was cooperating with the murderer to kill someone, and himself." Even if I say this sentence a little windingly, but everyone can still understand it, indeed, there are obviously traces of his killing, but it was the internal people who lit the fire, which is too unreasonable, unless this manager is crazy, otherwise it is impossible for him to do this kind of behavior that is completely beyond imagination.

Back to the forensic department of the Public Security Bureau, the technical department determined the identity of the deceased according to the company's information, but before verifying the DNA, we could only get a rough judgment, and when his family came to the scene and conducted a DNA test, we determined that this person was the manager of the personnel department of Huaming Home Design Company, Cong Jianmu.

His parents soon signed a consent to the autopsy, and Master and I conducted a preliminary examination of the deceased's body, and we had not verified the body with Master for a long time, and we found that there were no resistance, coercion, or restraint injuries on his body, and most of the deceased's skin had been leather-liked, and the scalpel seemed to be stuck in the skin.

In the living state of the human body, all organs and tissues of the body contain a certain amount of water. The human body is constantly losing water through the body surface, but it also continuously ingests water from food, and replenishes water through blood circulation to all parts of the body, maintaining dynamic balance and preventing skin dryness.