The group of people drove more than a hundred kilometers and arrived at Yueyang Village.
Some police officers are responsible for finding as many surveillance videos as possible, and then sending cars back to the criminal investigation detachment. Some of the remaining police officers continue to look for surveillance cameras, call contacts, and obtain surveillance cameras. Some follow Jiang Yuan to re-investigate the crime.
on site.
Now it can be basically concluded that this case is a normal criminal case involving luck. Liu Jinghui did not give any extra instructions to increase manpower, but just waited in the office of the detective brigade after he was full.
Occasionally, Liu Jinghui would be willing to go to the crime scene to take a look, which would help him establish a crime concept. But this time the crime scene was also carefully investigated. Jiang Yuan's second investigation was really nothing fancy, or in other words, Jiang Yuan
Liu Jinghui would never be able to see anything that was possible, so he would not join in the fun.
The night is dark.
There are more and more people in the office of the Scout Brigade.
The detectives in the picture investigation were also called over temporarily. For the detective detectives at the level of the brigade, this is also a relatively rare situation. They usually only stay up late and work overtime on major cases, and when the leader's friend lost his bag.
It will appear. Normally, the higher the level of the unit, the more standardized the work and rest. At the detachment level, everyone can basically work normally.
Unless, super experts like Jiang Yuan were involved in investigating the case. When the first batch of surveillance videos were retrieved, Yu Wenshu rushed over, not to mention other police officers.
The so-called practice is not to look at what the leader says in meetings, but to look at what he will do next. If the leader likes to chat with beautiful female subordinates, then the opportunities for beautiful male subordinates...should be sought from an intermediary status...
If a leader respects a technician very much, his subordinates will think more about it when putting on their shoes.
Yu Wenshu spent so much money on Jiang Yuan, and also seconded so many elite police officers to Jiang Yuan's special team for backlogged cases. This kind of investment would be a pain in any detachment. This in itself
It can also explain Yu Wenshu’s choice.
At two o'clock in the morning, Jiang Yuan returned to Changyang City and went straight to the detective brigade.
He slept twice in the car on the way back and forth. At this time, he was still in good spirits. He entered the office, took a drink of water, and said: "Li Yanmin's residence cannot be ruled out as the first scene."
This statement sounds no different from the previous judgment, but in fact it is different. The policemen present all know that "not ruled out" is a slang term for technical police. If you translate it a little, it is possible, but I can't find any evidence.
.
It sounds a bit unreasonable, but in fact, evidence itself is a high requirement. It is a requirement that the public places on the police based on their need to protect themselves. It is not the only standard.
Deciding a case without evidence will definitely lead to unjust, false and wrongful convictions. But as human beings, police officers do not make judgments only based on evidence.
This is like a student who, after listening to a semester's lectures, can still make an easy judgment: XX is a bad pen even if he can't find any conclusive evidence!
Or a professional person may only need a week to point out without any evidence: except XX and XXX, the rest are pure sand dollars!
When Liu Jinghui heard that there was no evidence, he became excited and said, "Tell me in detail."
Yu Wenshu, Ma Jiyang and others also sat upright and listened to the lecture.
Jiang Yuan considered his words and said: "Based on the on-site investigation, the bedroom where the victim lived probably had a carpet laid beside the bed. Because the marks on the ground were not very uniform. I guess that Li Yanmin got hit
After writing it down, he fell down on the carpet, and the murderer rolled it up and took it away."
When Jiang Yuan said this, he spread his hands again and said: "But there is no way to be sure about this. The time apart is too long, and the sunshine time in his room is quite sufficient."
"Is there any fiber evidence on the victim?" Liu Jinghui is also knowledgeable.
"If it is a wool carpet, it will not survive in the reed marsh." Jiang Yuandao: "It has basically decomposed after such a long time. Wool, a natural polymer fiber, is easily decomposed in a hot and humid environment.
Coupled with the fact that it has rained for several days, the remaining wool is easily washed away."
"Wool carpets are expensive, but the more expensive the material, the more useless it is." Ma Jiyang couldn't help but sigh.
Mu Zhiyang answered on his behalf: "It may be that people who buy wool carpets have no plans to die on the carpet."
Ma Jiyang raised his thumb: "What you said makes sense."
"Another key point." Jiang Yuan emphasized and said: "Although Li Yanmin's bedroom was once carpeted, no one knows whether it was carpeted before his death. Li Yanmin himself and his relatives
We have very few relationships, and the few female friends we have talked to have almost never developed into girlfriends.”
"Then how to solve his physical problems?" Liu Jinghui immediately noticed this key issue.
Jiang Yuan was stunned for a moment, briefly recalled the scene, and said: "I didn't see anything for personal use, but there were two boxes of covers. Can you deal with it yourself?"
"Perhaps there is some secret old sweetheart?" Liu Jinghui didn't know what he thought of. He smiled, then turned serious and said: "The rapist is close to killing, the gambler is close to thief. He can't be killed for no reason. If
If you commit adultery, it will be easy to explain."
"What does adultery mean? The woman is married. Is it so exciting? If you don't find a girlfriend, find someone else?" Wang Chuanxing found it exciting just thinking about it.
"Maybe it's true love?" Mu Zhiyang said to him.
"True love should lead to divorce. In this age, what's the big deal about divorce?"
Liu Jinghui hummed: "Maybe it's my brother's uncle's wife? Is Tang Xuanzong so easy to be a wife?"
"Is this still possible?" Wang Chuanxing wanted to say that he didn't understand, but the examples of Emperor Xuanzong of the Tang Dynasty had come out, so there was nothing he didn't understand. He was just full of confusion and suddenly realized it.
"So, don't think that there are only trivial things in the village. That's because you don't know enough about the things in the village. If you understand deeply enough, you will know that there are many things in the village because of trivial things, and there are also things that insult your father and seize the land. Brother Zhen
Tusao, the life-and-death feud for bullying a drama girl." Liu Jinghui also broadened the horizons of young policemen, and only touched on it briefly.
After slowing down, Liu Jinghui continued: "Of course, this case went from being committed by an acquaintance to being committed by a stranger. Now it seems that it is likely to return to being committed by an acquaintance. For now, we can only watch the surveillance video first and wait.
Tomorrow morning, I will visit the village again and ask people to see if this is the case."
"Then let's start watching the surveillance." Jiang Yuan held a pot of ginseng tea, sat behind the monitor wall, and let the policeman start the operation.
Jiang's father would occasionally study health-preserving issues. He called Jiang Yuan during dinner. Knowing that he would have to stay up late to work today, he immediately called a familiar tea shop in Changyang City and cooked ginseng tea and sent it over.
Jiang Yuan naturally would not refuse, so he drank tea while waiting to watch the surveillance video.
The quality of the surveillance videos collected in the village varies greatly. Not to mention the clarity, many of the surveillance videos are installed in inappropriate locations, and some even fail to capture the entire license plate.
The graphic reconnaissance team also has corresponding software to read these videos, especially vehicle-related video surveillance recordings. There are already relatively mature solutions. Common ones include identifying stolen vehicles, vehicles without license plates, or vehicles with obscured license plates.
vehicle.
In addition, the trajectory of the vehicle is also one of the criteria for judgment. For example, some vehicles suddenly slow down, or detour in a certain place, or pass through a certain intersection multiple times, etc. These are all relatively confusing when viewed manually.
It is difficult to find, but if the software reads it, a list of suspicious vehicles can be listed in a short time.
Jiang Yuan also gave priority to looking at these suspicious vehicles. After looking at them, he screened out a few more suspect vehicles, recorded them aside, and then took a closer look at the vehicles that afternoon.
He now has a clearer estimate of the time of death, but he has not stated it because the death situation of this corpse is too complicated. The accuracy of the estimate is only 70% at most, but this does not prevent Jiang Yuan from making the first decision on this matter.
time period and devote more attention.
suck……
slip……
Jiang Yuan drank ginseng tea and from time to time wrote down the license plate number of the suspected vehicle. There are many reasons for suspicion, including but not limited to the direction of the vehicle, the type of vehicle, the number of people in the vehicle, etc.
He has recorded as many as hundreds of license plates. When it gets dark in the morning, the police will follow this list and visit these car owners again.
If there is no result from this visit, Xu Taining may be called to join the war.
