Rong Yuan Neighborhood.
Han Bin returned to the second floor of the basement again. In order to avoid obstructing the scene investigation, the onlookers had been dispersed.
The people from the technical department had finished investigating the scene and were packing up their toolboxes. Ma Xiwen saw Han Bin and walked over. "Captain Han, the preliminary investigation of the scene has been completed."
"What did you find?"
Ma Xiwen replied, "The surroundings of the car are very clean, and there are no suspicious items found. The ground is cement, and there are no obvious traces. The crime scene should be in the car.
This is a Great Wall SUV. The body is relatively wide, and there is enough space to commit the crime. No traces of moving the body were found. There are rope marks around the seat, but no rope was found in the car.
At the same time, 46 cigarette butts were found in the car, and many burn marks were found. Blood and fingerprints were found at the scene, and we need to take them back for further identification.
In addition, the situation in the car is more complicated. In order to better preserve the crime scene, we are going to take the car back to the Municipal Bureau for further investigation and testing. "
Han Bin asked, "Did you find anything on the driving recorder?"
Ma Xiwen said, "The memory card of the driving recorder was taken away. We didn't find the victim's mobile phone, but the license and driver's license are still there. We can confirm that this is the victim's car. That's all we found so far. "
Han Bin nodded. "Brother Ma, thank you for your hard work."
"It's my job. We will leave first. I will inform you when we have further identification results."
"Okay."
Zhao Ming was amazed. "Tsk tsk. The car is so big, yet we found 46 cigarette butts. The victim couldn't have died from smoke, right?"
Jiang Yang shook his head. "You are quite imaginative. I have never heard of anyone dying from smoke."
Zhao Ming said, "There are no fatal wounds on his body. How did he die?"
Jiang Yang said, "In my experience, it is very likely that the carbon monoxide content in the car was too high, causing the victim to suffocate to death."
Jiang Yang had been a police officer for many years. He had seen and heard many cases of people dying in cars. Most of them were due to the engine idling too much, and the insufficient combustion of gasoline produced a large amount of carbon monoxide. If the doors and windows of the car were closed, it was easy to cause carbon monoxide poisoning. Carbon monoxide was colorless and tasteless, and this situation was very dangerous.
Zhao Ming didn't refute, because Jiang Yang's situation was indeed more likely.
However, this suspense did not last long. The forensic doctor had also completed the preliminary examination.
Li Can walked over with a document in his hand. "Captain Han, the preliminary autopsy has been completed. The victim's way of death is quite special."
Han Bin asked, "How did he die?"
"He inhaled a large amount of nicotine, causing his blood vessels to constrict and spasm, causing myocardial infarction and sudden death."
Zhao Ming said in surprise, "Damn, he really died from the smoke?"
Jiang Yang said in surprise, "D * mn, smoking can really kill people. I have to quit."
Li Can said, "His situation is different from ordinary smokers. He inhaled a large amount of nicotine in a short period of time. I found 19 cigarette butts in his mouth. According to my estimation, he might have even eaten some of the cigarette butts. He smoked at least dozens of cigarettes in a short period of time. The quantitative change caused a qualitative change, which led to his death."
"D * mn, this murderer is too ruthless. He actually used smoke to suffocate someone to death. It's giving me a psychological barrier."
Zhao Ming took out a box of cigarettes from his pocket. "Brother Bin, I don't think I'll be smoking for a while. You can keep this box of cigarettes."
Han Bin didn't know whether to laugh or cry. "You talk too much. Listen to Forensic Doctor Li."
Li Can continued, "There is a pattern similar to a Z on the victim's neck. The wound is smooth and not deep. It should have been made by a sharp weapon. Although there was some blood in the wound, it didn't cut the artery. It's just a superficial wound.
"In addition, I also found marks of strangulation on the victim's body. The victim must have been tied up before he died. The time of death was between nine and twelve last night."
After saying that, Li Can handed the document to Han Bin. "There are some information about the victim here. You can take a look."
Han Bin glanced at it. It was some autopsy data.
Victim, Zhang Haonan
Height, 181cm
Time of death, December 26th, between nine and twelve in the evening.
Place of death, Rong Yuan District, underground garage.
Manner of death …
After reading it, Han Bin had a general understanding of the situation.
After investigating the scene, Han Bin brought his men back to the Municipal Bureau. Zhang Haonan's car was also brought back.
Han Bin held an impromptu case analysis meeting.
The people who participated in the meeting were from the Second Squadron of the Municipal Criminal Investigation Unit and the Criminal Investigation Unit of the Xinhua Branch.
Han Bin sat at the head of the conference table, while Liao Pingsi and Wang Xiao sat below him. The other team members were lined up in order.
Han Bin glanced at everyone and said in a clear voice, "Everyone knows about the situation at the scene of the investigation. If you have any thoughts on the case and any progress in the investigation, you can talk about it.
Liao Pingsi said, "Captain Han, I interviewed some of the residents who were watching, but I didn't find any witnesses to the case. However, I did find out about Zhang Haonan's situation.
According to one of the residents, the car was Zhang Haonan's, but the parking space did not belong to him. Zhang Haonan often occupied other people's parking spaces. Once, his parking space was occupied. What was even more annoying was that Zhang Haonan did not leave his phone number. It was not until the next morning that he found Zhang Haonan. However, Zhang Haonan did not seem to care and did not feel guilty about occupying the parking space at all.
Another resident said that Zhang Haonan often brought a woman home. The woman was wearing a mask, so I couldn't see what she looked like. However, she had a good figure and was dressed very fashionably. Looking at their behavior, they seemed to be a couple. "
Han Bin asked, "Is Zhang Haonan the owner of this district?"
"Yes."
"Have you contacted his immediate family?"
Liao Pingsi shook her head. "Not yet. I'll find a way to contact his family to identify the body as soon as possible. That's all I've found for the time being. "
Han Bin asked, "What other clues do the others have?"
Wang Xiao cleared his throat. "I brought some people to collect the surveillance footage of the district. The elevator and the entrance and exit of the garage are all monitored. According to the surveillance footage, the suspect went down to the garage at 9: 05 last night, which basically matches the time of death that the forensic doctor determined.
There are more surveillance videos that we haven't had time to look at yet. "
Zhao Ming asked curiously, "It's so late. Most people should have gone home to sleep. What was he doing in the garage? And he just happened to meet the murderer? It can't be a coincidence, right? Could it be that the murderer invited him to the underground garage and it's an acquaintance who committed the crime? "
Liao Pingsi continued, "I also think it's an acquaintance who committed the crime. First of all, the murderer has a certain understanding of the victim. He knew that the victim and Lin Hongguang had a conflict in the elevator because of smoking. Also, to be able to invite the victim to the garage at night, the relationship between the two is probably not ordinary.
I suggest that we check the victim's communication method. Maybe we can find some clues about the murderer. "
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