"Are you guys, Captain Bai, always so confident?" Chief Zhang asked Zhao Han while Bai Song went to the bathroom.
If Wang Liang were here, he would definitely say that Bai Song was the best at boasting... But Zhao Han, as Bai Song's die-hard fan, immediately nodded seriously: "He is very good."
Zhang looked at the extremely immature Zhao Han and sighed: "So you didn't understand what he said about the last piece of the puzzle, right?"
"Excluding all the rest of you, the final piece of the puzzle must come from Brother Jie." Zhao Han said as a matter of course.
"You?" Qu Suo and Zhang Suo were choked and couldn't even refute.
If Qu and Zhang were from the criminal police team, they would be furious to death after hearing what Zhao Han said, but at this moment they seemed to be gloating. Zhang thought for a moment and said, "We can afford to wait."
How come the Tianhua police are so confident... It turns out that these three people are more powerful than the criminal police team combined... Is this the world of young people...
…
Half an hour later, everyone was still sitting together discussing the case when someone knocked on the door. "Officer Qu, someone's looking for Captain Bai."
"Let him in." Qu said, and then asked Baisong, "Is he your man?"
"Well, the last piece of the puzzle." Bai Song nodded.
After Bai Song said this, everyone who was originally very sleepy suddenly became energetic.
A minute later, the person who knocked on the door led Sun Jie into the meeting room.
"Bai Song," Sun Jie saw Bai Song: "The autopsy report is out."
"Has this report been passed on to the criminal police?" Bai Song asked.
"Well, their forensic doctor has already sent it over." Sun Jie said, "The official, stamped report will only be issued tomorrow. What we see now is only helpful for the investigation and handling of the case."
"That's good. If they can solve the case first through intelligence sharing, that would be a good thing." Bai Song reached out and took the USB flash drive from Sun Jie's hand.
This is the conference room of the police station. There is a computer that can be plugged in with a USB flash drive (computers within the public security network cannot be plugged in with USB flash drives), and it is directly connected to the screen.
The computer was on and everyone gathered around to read the report.
The autopsy report of the medical examiner is usually very simple, only three or four pages long, and only contains the basic process and conclusions, with a few pictures as an emphasis. If you want to see the detailed forensic investigation process, it is also included here, but it is generally not attached to the file.
The main thing is... in the words of the medical examiner himself - "It's as if you can understand it if I attach the file..."
Bai Song looked at dozens of pictures of the dissection process one by one. He had no problem facing such dissection scenes, but he was basically indifferent when looking at the pictures.
Even Zhao Han felt no pressure at all when watching these.
"So, what's the trick here?" Sun Jie asked.
Sun Jie asked what the others wanted to ask, because Bai Song had learned a lot when he was on the phone with Sun Jie just now. And now looking at the autopsy report again, it is not much different from what Sun Jie had described before.
The report states the cause and time of death as well as some DNA test results.
"You mentioned that ethyl acetate and xylene were detected in the stomach contents, and acetone was detected in the urine." Bai Song pointed to a part of the report: "No ethanol, acetone, or ethyl acetate was detected in the heart blood, no ethanol, acetone, or benzene was detected in the stomach contents, and no ethanol, ethyl acetate, benzene, or xylene was detected in the urine. In addition, based on the rigor mortis of the deceased, you said that the time of death should be 6 hours before the person was found.
Moreover, I just looked carefully at the concentration of carbon tetrachloride. Although it was detected, the concentration was not high. All this shows that the poisoning of the deceased was a slow process, and many things in the body have been metabolized. Different organic substances have different metabolic rates. From this situation, the deceased should have taken the poison more than ten hours before death. Is there anything wrong with what I said? "
Bai Song asked, and Sun Jie nodded: "No problem, maybe more than 12 hours."
"If we follow this line of reasoning, the deceased drank the banana water the night before his death." Bai Song said, "If the deceased came in a day earlier, he would not have been so thirsty and hungry at night to drink anything. Therefore, I judge that the deceased came in two days before his death. Do you agree with this analysis?"
Everyone nodded. In fact, everyone had this guess. After all, people would only drink something they didn't trust when they were extremely thirsty.
"Then, let's look at this item in the autopsy report, the liver condition." Bai Song switched to another page: "The liver is obviously poisoned and the damage is serious. There is a sentence in it that the liver is slightly larger than normal and there is cirrhosis. Generally speaking, if people of this age have this condition in the liver, it is most likely caused by drinking."
"How fresh," Qu Suo said subconsciously, and then felt that his words might easily cause ambiguity, so he immediately said: "I don't mean anything else, I just think that this man who drinks banana water must be an alcoholic. If he is not an alcoholic, most people would not dare to drink it even if they die of thirst."
"What Qu said is right," Sun explained to Bai Song, "Although people here can't drink as much as those in Shandong and Mongolia, we can still drink a lot. When I was a kid, my dad had to take dried sweet potatoes out to trade for alcohol. People at that time were very greedy for alcohol. Now conditions are better, and people can drink as much as they want. Many people around 30 years old have alcoholic liver disease. In recent years, many people have died from drinking too much or being hit by cars."
"So, if these conditions are met, assuming that my previous analysis is correct, and we reason based on the probability of killing, what is the best way to ensure that the deceased will not blame the murderer even if he is not dead?" Bai Song asked back.
"Get him drunk!" Zhao Han blurted out.
"That's right." Bai Song nodded: "I don't know if this is the custom in the northwest, but in Tianhua City or East China, North China, and Northeast China, many people like to take a big bath after drinking a lot of wine."
"We have similar customs here." Zhang nodded. "Captain Bai, what you said makes sense. This can explain a lot of things. The deceased may have woken up at noon the next day. His mind was completely confused and he was hungry. He didn't know how he got in. In this case, if the deceased is not dead, the murderer can easily get away with it by saying that he was drunk and didn't know how the deceased got into the equipment room. If the victim is dead, there will be no evidence."
Bai Song frowned after hearing what Zhang said. His intuition told him that something was wrong.
"I think..." Bai Song suddenly remembered something: "I think we are all overthinking."
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