Chapter 652：

The focus is on the trauma of the deceased.

That is, the wound on the back of the corpse.

After Fang Ze looked at it for a while, he put on his gloves and reached out to touch it.

Judging by the color of the exterior, it has basically faded away.

Subcutaneous bleeding generally does not leave any traces after the absorption disappears.

This is why the shorter the death time, the simpler the autopsy and the more detailed the report.

From a forensic point of view, subcutaneous bleeding due to blunt force will turn purple-brown within three days.

It will turn green or yellow-green within six days.

About eight days: mainly yellow.

After two weeks between death, it basically subsided.

Judging from the characteristics of the wound, the skin of the deceased was exfoliated and rough, and it can be concluded that it was caused by various external forces such as frustration, pressure, impact, and rubbing.

Serious contusions like the deceased's are relatively common means of blunt weapon killing.

Judging from the position of the wound, it was an attack from behind, which is no problem.

Next comes the most important point, the shape of the wound.

This is also the main basis for judging trauma autopsy.

"Strip and Triangle Doping"

Fang Ze spoke to himself.

After finishing speaking, he turned his head to look at Sun Li who was standing beside him, and said, "It looks like a brick."

"Well, that's right."

Sun Li nodded, and said: "I also thought it looked like a brick at first, but Team Tai searched around the crime scene, and there was no trace of similar objects at all."

At this time, Tai Wei also said: "Zhang Mao's villa is in the urban area, and there is no construction site nearby."

"Unless, Guo Peng will bring a brick to see Zhang Mao."

"After killing people, I don't know where to throw them."

Hearing this, Fang Ze shook his head after thinking about it.

"Not too possible."

"Bricks are stones fired from clay. Although they are hard, they will definitely leave dust after being hit hard."

"Are there any similar traces?"

Sun Li said: "There is no trace on the body."

Tai Wei then said: "There is nothing left at the scene."

Fang Ze nodded and said, "Is that supposed to be a brick?"

"Furthermore, Guo Peng has been preparing for the murder for such a long time, did he finally lock on Brick?"

"A little anticlimactic."

"It must be something else."

"Blunt weapons, the more common ones are sticks, axes and hammers, hard wood, etc.

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, these have been tested”

Sun Lidao: "I've tested everything, and nothing was found."

Regarding the identification of the murder weapon, Sun Li was also puzzled, not knowing exactly what the murderer used.

Definitely something hard and sharp.

This is beyond doubt.

There are not many things that meet these two conditions, but they are all excluded one by one.

Here lies the biggest doubt in this case.

Fang Ze frowned and pondered for a while, but couldn't be sure for a while.

He lowered his head, stared at the wound for a while, and then said suddenly: "Have you tested the damaged internal tissue of the wound?"

Hearing these words, Sun Li was taken aback for a moment, and said, "That's not true."

"Generally, external fatal injuries are caused by detection of external tissues."

Hearing this, Fang Ze stretched out his hand and said, "Get the tools, I'll do it."

"it is good."

Sun Li nodded, turned around and went to get the equipment.

Although I don't know why Fang Ze wanted to test the internal organization, but I think he will know the reason in a while.

In terms of forensic identification, he still considers himself inferior to Fang Ze.

ten minutes later.

Fang Ze took out a little tissue from the wound, and took it for testing.

The time of the test depends on what Fang Ze wants to test.

In other words, a full inspection is required.

Looking at Fang Ze's busy back, Tai Wei whispered: "Old Sun, what is the Fang team looking for?"

He's not a forensic doctor, he's too professional, and doesn't understand much.

Sun Li replied: "It should be to determine the material of the murder weapon."

"Whether it's a wooden weapon or an iron weapon or something else, after a violent impact, there will generally be tiny impurities left behind."

"These impurities do not belong to human tissue and are easy to distinguish."