Seeing that everyone was thinking, Bai Song then began to express his own 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 presume that she also died in an accident.
This sounds ridiculous, but it is not difficult to understand if you consider Zheng Xiaowu's mood at the time.
What she wanted to do was to use a towel soaked in ether to knock Li Yanan unconscious and then take away her money. This was considered robbery, so she was extremely excited and choked to death while eating a dumpling soup.
In addition, I also suspect that she had done something to herself in advance.
Previously, the forensic doctor believed that the lumps in Zheng Xiaowu's throat were caused by the gas in her abdomen pushing them out after her corpse turned into a giant. However, my opinion is that she was choked to death because she was absent-minded, emotionally excited, and had poor body control.
When forensic doctor Sun Jie mentioned this incident, I also looked it up and found that there was an important person in history, named Song Ziwen, who accidentally choked a piece of food into his trachea due to excessive excitement while eating, which led to difficulty breathing and eventually died of heart failure. And it happened in New San Francisco, a place with good medical conditions.
No one knew about Zheng Xiaowu's death, but Guan Shanyue sneaked over at night.
He didn't know that there were two bodies in the villa. If he had known, he would have been scared to death. He would not have gone to the kitchen and basement to look for money. He went directly to Li Yanan's house.
He went there and found no one there, so his later reaction should have been that he knew about the disappearance.
Judging from Guan Shanyue's current reaction, Guan Shanyue should have received the money, but he certainly did not take it all. He knew that if he took some of the money, Li Yanan would not call the police.
That’s why Guan Shanyue has always kept it a secret.
After a day or two, Li Yanan found that no police came, so he came back and threw Lin Mingfei to the ground. It was during this period that flies in the villa, which was warm all year round, laid eggs.
It was too warm in the villa, and a day or two was enough to start rotting.
After throwing the body underground, Li Yanan didn't know what to do, so he turned off the underground heating first, then ran away and thought of a solution. In the end, he decided that the body should be disposed of.
In fact, Li Yanan must be very panicked and at a loss as to what to do. I strongly suspect that he is preparing to sneak out of the country. This guy is really not very courageous. "
After Bai Song finished speaking, Director Wei had been listening carefully 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 unlikely to reach a lethal dose. But if she choked to death, then will the carbon monoxide continue to combine with hemoglobin after death?" Having said this, Director Wei paused and turned his gaze to an old forensic doctor from the Municipal Bureau next to him.
"After a person dies, the red blood cells will rupture. The hemoglobin can combine with carbon monoxide in the air, but the ability is very poor. Also, due to the lack of autonomous breathing, carbon monoxide cannot be detected in the blood in the body except on the surface of places such as the mouth." The old forensic doctor understood what Director Wei wanted to ask and answered directly.
Director Wei nodded and looked at Bai Song.
"Director Wei, I have a theory about this and I don't know if it's correct. Can we talk about it at the end?" Bai Song was still considering this matter.
"Okay," Director Wei continued, "Second, when Zheng Xiaowu's body was found, the people from the Xingang Branch arrived at the room and felt dizzy after breathing for a while, which means that the concentration of carbon monoxide is still relatively high. This is also the main reason why the forensic doctor currently believes that the cause of death is carbon monoxide.
Third, regarding Li Yanan, from common sense, he saw Wang Fanfan die, and then saw Lin Mingfei holding a hammer to close the valve, he could have escaped, as a man, he would not be unable to escape. Moreover, murder is not a trivial matter, and it is difficult to explain the motive.
Fourth, in the same case, both people died accidentally, and the coincidence was too strange.
Fifth, if it was Guan Shanyue who took the money, under the current circumstances, there was no need for Liu Shushu to conceal this matter.
Sixth, it is the source of ether. Zheng Xiaowu’s resume is also listed here, and everyone knows it.”
After all, Chief Wei was a veteran criminal policeman, and he immediately grasped the key to the problem. He looked around, and no one added anything. As his gaze gradually moved to Bai Song, other eyes also focused here.
"I've made some inferences, but they still need to be verified. If there are any problems, I hope the leaders will forgive me." Bai Song felt that his ideas might not be all right, but since it had come to this point, he took a deep breath and said, "Let's talk about the first, second and sixth first.
I personally think that liquefied petroleum gas does not produce so much carbon monoxide due to incomplete combustion.
I think everyone here thinks the same way. After all, the gas stove in our home has never produced so much carbon monoxide due to incomplete combustion.
However, carbon monoxide was found in the deceased's body, and the conditions at the scene were such that could produce carbon monoxide, which forces us to consider carbon monoxide poisoning.
But I believe that carbon monoxide was not produced by the gas stove on site at all. It is possible that Zheng Xiaowu deliberately found a place to inhale carbon monoxide when obtaining ether, which led to the presence of this substance in his body.
As for how ether is obtained, this may involve other things that are currently unknown.
Why did Zheng Xiaowu deliberately inhale carbon monoxide? The answer is very simple. Carbon monoxide poisoning is a very special type of poisoning. A mild poisoning caused by inhaling a small amount of carbon monoxide does little harm to the human body. After inhaling fresh air and leaving the poisoned environment, the symptoms will quickly disappear and generally leave no sequelae. However, carbon monoxide hemoglobin can still exist in the body.
She did this to give herself extra insurance. If Li Yanan called the police and reported theft or robbery, and the police came to investigate, she could use the excuse that she was suffering from carbon monoxide poisoning and was unconscious to safely avoid investigation.
At the same time, she did this to the gas stove over there on purpose.
If we ask why she inhaled carbon monoxide first, it means that the place where she got ether was not easy to get to, so she prepared everything in one go. In addition to excitement, she eventually choked to death, which was also related to the trance caused by mild carbon monoxide poisoning.
Low concentrations of carbon monoxide, if nothing happens to her, will have little effect if she takes a towel and goes out to breathe some fresh air, but the environment in the house can still easily make her dazed. "
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