Chapter 514

"I'll say it, I'll say it. I work as an engineer at a chemical group."

Chemical.

Chen Fan suddenly thought of something and told Old Song, "You must keep a tight watch on him."

Old Song understood immediately upon hearing this.

If there are no other possibilities, this man is very likely the murderer.

Chen Fan returned to the autopsy room again, drew another portion of blood, and went to the instrument himself to conduct the test.

Afternoon.

Three o'clock.

The test results came out.

Chen Fan held the test report, handed it to Old Liu, and said, "The deceased's blood contains a high concentration of..."

Old Liu immediately heard the problem and also knew what this thing was.

It is a drug that exists naturally within the human body and is extremely difficult to detect.

Even for professional personnel, if they do not specifically test for this item, it is very hard to discover.

This substance has a very strong inhibitory effect on the central nervous system.

It is currently a Class I psychotropic drug regulated by the state and also belongs to synthetic poisons.

Upon accidental contact, because it is colorless and odorless, it can also cause temporary memory loss.

It can also cause symptoms such as nausea and vomiting.

Long ago, it was used by many criminals as an anesthetic and a date-rape drug.

Among criminals, they are often called God's Water, G-Water...

But with the development of technology and increasingly strong state control, ordinary people absolutely cannot obtain this drug.

Unless...

There are professional figures with.