Police Detective

Seeing that everyone was thinking, Bai Song then started to express his opinion: "After Li Yanan ran away, Zheng Xiaowu returned to his residence and wanted to come back at night to find a way to take the money away.

I now speculate that she also died in an accident.

This thing sounds very ridiculous, but if you consider Zheng Xiaowu's mood at the time, it is not difficult to understand.

What she wanted to do was to use a towel with ether to stun Li Yanan, and then take away the money. This was a robbery, so she was extremely excited and choked to death after eating pimple soup.

In addition, I also suspect that she did something to herself in advance.

The forensic doctor previously believed that the lumps in Zheng Xiaowu's throat were due to the gas in the abdomen pushing out the corpse after its transformation into a giant. However, my point of view is that she was absent-minded, emotionally agitated, and had poor physical control. Choked to death.

At that time, when forensic doctor Sun Jie mentioned this matter, I checked it out and found that there was an important figure in history named Song Ziwen. He accidentally choked a piece of food into his trachea due to excessive excitement while eating. , resulting in difficulty breathing, and finally sudden death due to heart failure. Moreover, it happened in Xinjinshan in Jianguo at that time, and the medical conditions were still good.

No one knew about Zheng Xiaowu's death, but Guan Shanyue sneaked over at night.

He didn't know there were two corpses in the villa. If he had known, he would have been frightened to death. He couldn't go to the kitchen and basement to find money, so he went directly to Li Yanan's house.

He went and found no one there, so his reaction later was probably based on his knowledge of the disappearance.

Judging from Guan Shanyue's reaction now, Guan Shanyue should have gotten the money, but he certainly didn't take it all. He knew that Li Yanan would not call the police if he took part of the money.

Therefore, Guan Shanyue has always kept secret.

After a day or two, Li Yanan found that no police came, so he came back and threw Lin Mingfei underground. During this period, the flies in the villa, which was always warm all year round, laid eggs.

It was so warm in the villa that a day or two was enough to start rotting.

After throwing it underground, Li Yanan didn't know what to do, so he turned off the heating underground, then ran away to think of a way, and finally thought he should throw the body away.

In fact, Li Yanan should be very panicked now. I highly suspect that he is preparing to sneak out of the country. This person is really not very courageous. "

After Bai Song finished speaking, Director Wei kept listening attentively and said, "What you said makes sense, but there are a few questions."

"First, let's talk about Zheng Xiaowu. According to our experience, it is true that the carbon monoxide produced by the incomplete combustion of the liquefied petroleum gas tank is difficult to reach the lethal amount. But if she choked to death, then the hemoglobin will continue to be produced after the carbon monoxide dies. Combining?" At this point, Director Wei paused and turned his eyes to an old forensic doctor from the Municipal Bureau next to him.

"After death, red blood cells will rupture. Hemoglobin can combine with carbon monoxide in the air, but its ability is very poor. And because of the lack of spontaneous breathing, except for the surface layer of the mouth and other places, no carbon monoxide can be detected in the blood in the body." Old forensic doctor Understanding what Bureau Wei wanted to ask, he answered directly.

Director Wei nodded and looked at Bai Song.

"Director Wei, I have a reasoning about this. I don't know if it's right or not. Can we discuss it together at the end?" Bai Song was still thinking about this matter.

"Okay", Director Wei then asked: "Secondly, when Zheng Xiaowu's body was discovered, the people from the Xingang Branch arrived at the house immediately and felt dizzy after breathing for a while, indicating that the concentration of carbon monoxide was still relatively high. Yes, this is also the main reason why the medical examiner currently believes that the cause of death was carbon monoxide.

Third, regarding Li Yanan, from a common sense point of view, when he saw Wang Fanfan dying, and then saw Lin Mingfei holding a hammer to close the valve, he could completely escape. As a male, he would not be unable to escape. Moreover, killing is not a trivial matter, and the motivation is difficult to explain.

Fourth, in the same case, two people died unexpectedly, and it was such a strange coincidence.

Fifth, if Guan Shanyue took the money, Liu Shushu had no need to conceal the matter under the current situation.

Sixth, it is the source of ether. Zheng Xiaowu’s resume is also listed here, and everyone knows it. "

Director Wei was a veteran criminal police officer after all, and he caught all the key to the problem at once. He looked around for a week, and no one added anything. As his eyes gradually moved to Bai Song, other eyes also focused here.

"I've made some inferences and need to verify them. If there are any questions, I hope the leader will forgive me." Bai Song felt that his ideas were not necessarily right, but since it was at this point, he took a deep breath and said: "Let me talk about the second step first. One and two and six.

I personally believe that incomplete combustion of LPG does not produce that much carbon monoxide.

I think everyone here thinks so too. After all, the gas stoves in our homes have never produced so much carbon monoxide due to insufficient combustion.

However, carbon monoxide was found in the body of the deceased, and conditions that could produce carbon monoxide existed at the scene, which forced us to consider carbon monoxide poisoning.

I believe that carbon monoxide was not produced by the gas stove at the site at all. It may be that Zheng Xiaowu deliberately found a place to inhale carbon monoxide when obtaining ether, which resulted in the presence of this substance in his body.

Regarding the way to obtain ether, this is likely to involve other things, which is currently unknown.

Why did Zheng Xiaowu deliberately inhale carbon monoxide? This is very simple. Carbon monoxide poisoning is a very individual type of poisoning. Mild poisoning caused by inhaling a small amount is very harmful to the human body. After inhaling fresh air and leaving the poisoning environment, the symptoms will disappear quickly. Generally, it does not cause any harm to the human body. There are sequelae, but carbon monoxide hemoglobin can still exist in the body.

She did this to increase her own insurance. If Li Yanan called the police and reported that she had been stolen or robbed, and the police investigated, she could safely avoid detection on the grounds that she was poisoned by carbon monoxide and was unconscious.

At the same time, she did that on purpose on the gas stove over there.

If we talk about why she had to inhale carbon monoxide first, it means that the place where she obtained the ether was not easy to get to, so she had everything ready after just one visit. Her eventual choking to death was not only due to excitement, but also related to the trance caused by mild carbon monoxide poisoning.

The low concentration of carbon monoxide, if nothing happens to her, will have little effect if she goes out with a towel and breathes fresh air, but the environment in the house will still easily make her trance-like. "