"The autopsy situation is actually very simple, the deceased died of taking concentrated sulfuric acid, needless to say, sulfuric acid, everyone knows some, but concentrated sulfuric acid and sulfuric acid are completely different, its concentration is more than 70%, it is a strong oxidizing, strong corrosive, strong dehydration of inorganic acid, after the deceased took it, the digestive tract and respiratory tract were burned by concentrated sulfuric acid, resulting in high temperature, body tissues rapid dehydration, charring, resulting in perforation of the stomach and bronchi, concentrated sulfuric acid into the chest cavity and abdominal cavity, damage to various organs, causing internal bleeding and death. According to the corrosion in the deceased's body, the concentrated sulfuric acid he ingested was about 80 to 100 milliliters, which is two large mouthfuls in layman's terms.

As for why he drank two large mouthfuls of concentrated sulfuric acid, and how did he drink it? I can't give an opinion, but I can only say that it is impossible for a normal person, or any conscious person, to drink two large mouthfuls of concentrated sulfuric acid, let alone two large mouthfuls, two drops. ”

"What does the Sui forensic doctor mean?" Li Xian didn't understand the meaning of the second half of her sentence.

"Let's put it this way, I have a cup of concentrated sulfuric acid here, come, you take a sip. Sui Yuzi lifted an Erlenmeyer flask containing a pale yellow liquid in his hand in front of a young criminal policeman beside him.

The criminal policeman was so frightened that he hurriedly stepped back, but his foot tripped on the leg of the chair, and he fell to the ground with the chair, covering his ass and screaming in pain.

"You see, that's the reaction of a normal person. Sui Yu'an spread his hand, "Even if I don't tell him that this is concentrated sulfuric acid, he can't drink it, because this thing has a taste, and interested comrades can come and smell it." ”

Li Xian was just about to raise his nose to smell in the past, but Sui Yu'an reminded him not to smell directly at the mouth of the bottle, but to keep his nostrils away from the mouth of the bottle, and gently fan the mouth of the bottle with his hand in the direction of the nostrils, so that a small amount of smell wafted into the nostrils.

Li Xian sniffed it twice and then wrinkled his nose, "I'll go! It's really fucking bad, a pungent sour smell!"

"Does Captain Li think anyone would be willing to drink this?" Sui Yu'an asked.

"Hmph, I won't drink if you force me with a gun, and it's better to shoot me with a shot. Li Xian sneered.

"So, I've always wondered how the killer got the deceased to drink it. ”

"I have one more thing to say about this. Qu Mingming interjected, "The glass bottle found next to the deceased, the liquid left in it is concentrated sulfuric acid, through the laboratory calculation, the content of H2SO4 is as high as 70%, and there are only the deceased's own fingerprints on the glass bottle, indicating that before the deceased picked up the glass bottle, someone cleaned the glass bottle, and it is certain that the deceased drank the glass bottle." ”

"Could it be that after the death of the deceased, the murderer cleaned the glass bottle and then pressed the fingerprints with the deceased's hand. A detective asked.

"No, first, there is no such need, if the murderer wants to clean up his fingerprints, he can directly wipe them clean, there is no need to risk being burned by concentrated sulfuric acid, and use the deceased's hand to press the fingerprints again; second, we asked the Sui forensic doctor, among the five fingers of the right hand on the corpse, the right thumb was burned by concentrated sulfuric acid about a piece of skin about the size of a soybean, and on the glass bottle, the fingerprints of the right thumb are complete, which means that the deceased has not drunk concentrated sulfuric acid at this time, and this fingerprint was left when the deceased picked up the bottle and drank concentrated sulfuric acid。 ”

"Is it possible that the murderer held down the deceased, or tied the deceased and forcibly poured it down after he was tied up?" asked another detective. Baidu

It seems that since being trained by the old captain, this group of people in the criminal police team seems to have become diligent in thinking, and bold assumptions have been put forward one by one.

"This is also unlikely," Sui Yu'an said, "If it was forcibly poured into the mouth, then there should be traces of sulfuric acid burns on the side of the deceased's face, neck, and even chest, and there should also be restraint wounds on the hands, feet or shoulders, but none of these were found in the autopsy, and as I said just now, if it was forcibly injected, the fingerprints on the glass bottle could not be explained." ”

"Oh, yes......" The detective stuck out his tongue and stopped talking.

"But what is the reason that made him voluntarily drink so much concentrated sulfuric acid?" Li Xian stroked the "Sichuan character pattern" on his forehead.

Sui Yu'an glanced at Du Lin intentionally or unintentionally, and said in his heart, don't you tell me what you found?

Du Lin saw Sui Yu'an's inquiring gaze and shook his head imperceptibly.

He couldn't say.

Before, Du Lin found out that the deceased had a taste disorder in the hallucination, but although he never had the opportunity to tell Sui Yu'an in detail about what was going on, it was not until last night when the two of them were in the autopsy that Du Lin told Sui Yu'an.

In the hallucinations of the deceased's blood, Dührin felt that the deceased did not "smell" and "taste" the sour taste of the sulphuric acid at all when he drank the sulphuric acid, but on the contrary, he tasted "sweetness"!

The illusion in the blood, to put it bluntly, is the brain memory of the deceased for a period of time before death, this memory will contain all the information received by the deceased's eyes, nose, mouth, ears, touch and other senses, including taste and smell, but if the death time is too long, this information will be lost in large quantities with the loss of "life" in the blood, and the memory will become fragmented.

In the previous cases, many of the deceased were found long after they had died, and a large number of them had been more than twenty-four hours, if not exceeded, so Durin had read very few visions before.

This time, Durin tasted the blood of the deceased shortly after his death, so the visions were clear and comprehensive.

He was very sure that before the deceased drank the bottle of liquid, he smelled a refreshing sweetness, and the first feeling of drinking it was also sweet, but the next second, when the concentrated sulfuric acid burned all his taste buds, his feeling was not so wonderful, a huge pain that could not be described in words, eroded every inch of his nerves from the inside out, and a liquid like magma entered his body, burning every one of his internal organs, trachea, esophagus, lungs, stomach, liver, The intestines, every organ is burning, and after being scorched, after more than ten seconds, everything is over......

In addition to knowing this, Du Lin also knew the origin of the bottle of concentrated sulfuric acid, the best man named Kang Zhan lied to the police, Kang Zhan and the deceased Si Lei did not meet again after the hall was separated as Kang Zhan said, but after smoking at the door, they entered the small corridor next to the hall together, and also entered the utility room where the deceased was found.