Chapter 263: Scarcity

The small building of Changyang Criminal Science and Technology Center is newly built with steel structure and large glass. It has a beautiful appearance and excellent light.

In the wide and dilapidated corridor, technicians would pass by from time to time, or people would simply stroll by out of curiosity.

Regardless of what the technicians were looking for, Wanbaoming sat in front of his head, showed the scene picture of 513 to Jiang Yuan, and introduced it by the way:

"This case was initially considered to be a vendetta. However, the elderly victim's children were living alone in other places, so they were less likely to attract revenge. Therefore, this investigation direction was not continued."

"The second consideration is to seek money. However, there are no traces of theft in the old man's home. Judging from the traces, his hands should not have entered the deceased's home."

"The most likely motive, but the one that everyone is least willing to accept, is random killing. The city bureau has been nervous for a while, worried that similar cases will appear again, but fortunately there are no such cases."

"But the case dragged on for just one day, and there was still no suspect."

As Wan Baoming spoke from a distance, he looked at the pictures of the scene one by one, but did not respond to him in time.

Wei Zhenguo frowned and looked at the picture and said: "If it's a random killing, this case is too bad. He is already very weak and has been trampled back and forth. There is nothing wrong with this case. Can't be broken."

He was trying to help Yuan solve the problem, and it made sense.

While waiting for Wei Zhenguo, Mu Zhi and Wang Zhong were brought over.

Wang Chuanxing asked: "It's a random person."

"Are you there?" Mou Hang shook his head and said: "The local situation is simple. There is not a flooded river behind Shunling Township. During the wet season of less than half a year, it sails. There are some big ships. In addition, there are villages and towns over there. The company is mainly engaged in wood processing and does not have a large logistics park. The walk from the logistics park to the victim's home is about 80 to 70 minutes, and you can walk through it yourself. "

"Some people may have suggested it like that at first. But the task force judged from several directions that it was a random killing." Wei Zhenguo looked at Wang Chuanxing and said: "First of all, the location. The transportation in Shunling Township is relatively simple. After all, it is a big town. There are places where people have never been. The murderer went there specially to commit the crime. It is a random act in itself."

"It's useful." After looking at the picture of the difference, Mou Hang said seriously, "The basic requirements are met."

Like Wang Chuanxing, Jiang Yuan did not find the case very difficult.

But from Wang Chuanxing's perspective, there was too much blood at the scene. The area of ​​the blood pool was small enough, but other than that, there were only some spray-like blood stains and most of the dripping blood stains. Compared with the scene that Jiang Yuan later reconstructed, the difference was still the same.

Zhiyang and Wang Zhongguai are like big chickens.

Mou Hang paused for a moment and then continued: "Meter reading is relatively easy. Changyang City has been using electricity meters for a few years. The murderer shouted out like that, which means that at most he understands the situation and at most he has stepped on it."

"I have a question." Wei Zhenguo put the cardboard box under the table and said, "You brought some information about the case with you. Is our case going to be restarted?"

When committing a crime, it is just dry fingerprints or DNA, which cannot be done outside the office. At least it's not like going out to the site and re-surveying it once or twice. Those jobs were all done by Jian Cheng Jiangyuan and Wang Zhong together.

"Well, there are no results." Wei Zhenguo said, "The local thieves and those involved in violent crimes have also been investigated. No results."

When conducting investigations, if the investigation is detailed enough or the design of the investigation is not correct, it is equivalent to discarding a series of clues.

Wan smiled and asked me to sit down, and after a brief introduction by Jiang Yuan and others, he said: "The forensic doctor has few questions about the 513 case. Let him see if he understands."

"Is there no evidence for the judgment of burglary or robbery?" Mou Hang then asked.

After three years of working together, Zhenguo also hopes that the case can be solved. Comfort me, no one is relieved.

Including forensic work, right here

Chapter 263 Scarcity

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The father-in-law looks at pictures, dissects corpses, and looks at microscopy and other things, and he can still make four or ten.

Jiang Yuan looked at Wan Baoming. Wei Zhenguo's description is not much different from Wan Baoming's original description.

Paper work is the preferred method for technicians.

Hang Shi continued: "Lingxiang is also connected to no highways and national highways, no county roads and provinces, no bus stations, and no long-distance bus stations to Changyang City. There are no Baimo and Baimo in the local area, so monitoring is basically useful.

That person is only responsible for holding meetings, but is also responsible for answering phone calls, collecting clues, organizing, processing documents, receiving family members of victims, etc.

"But do you think it was a random crime?" Mou Hang asked.

The disadvantage of doing that is that one always knows the circumstances of the case. When the case is reopened, the police officers responsible for the backlog of cases will be able to understand the details of the case as quickly and quickly as possible. Usually this is not detailed in the dossier.

It is equivalent to the standard procedure in solving equations.

Jiang Yuan smiled at Wan Baoming again and said, "Let's take a look at that case first, but we're sure it's not that case. You can read the scene first and tell us."

"According to your interview, the victim had no experience in joining the army, and his personality was relatively mature. This may be the reason why the robbery went wrong, and the two suspects stopped their criminal plan!"

"In that case, the first thing is the time when the two parties met. The victim opened the door and was probably intercepted by the murderer. The murderer was clean, and when he took away the murder weapon, he may have left too much evidence. Are there fingerprints and probably DNA? , the victim is old, there is a small chance that he will not respond, and he also behaves in an unethical manner."

There is no preparation for committing a crime because of love. Therefore, for a small number of passionate killings in modern society, clues cannot be traced through monitoring and retrieval, personnel ranking, etc.

It is natural to be a little angry that the case has been solved. If the cases cannot be solved, the number of cases will continue to increase, but eventually one or two people will work part-time.

"The bad luck is also bad. The neighbors are also human beings and know how to protect the scene. By the time the police arrived, the ground was in chaos.

After Wan Baoming left, he asked Mou Hang: "It seems that he is thinking about it?"

"Not eight or seven people heard it."

Of course, the objective situation is the same. Just from the description of Wanbao Min, there is less certainty.

But when Jiang Yuan really follows a case, it often requires the cooperation of the investigation and investigation team. If a certain degree of trust is established, it will be clear whether the Changyang City Criminal Police Detachment can cooperate and the degree of cooperation.

Wang Chuanxing now has a better understanding of Jiang Yuan's ability to do blood analysis. I can also guess the reason why Jiang Yuan required no blood stains, no footprints, and a complete picture.

Of course, if passionate people don't follow the rules, random killings are hardly a model of beautiful crime.

Wan Baoming patted his head and said with a smile: "You suddenly remembered that case, because in your Changyang City Bureau, that case is still relatively unknown. However, if it meets the requirements, you can find other cases."

In fact, when special police officers solve crimes, apart from using DNA and monitoring mobile phones, they do not mainly rely on interpersonal relationships.

Wang introduced each other and left the two of them alone.

"Then" Chuanxing knew that Jiang Yuan was the reckless type, so he blinked and decided to wait and see.

The homicide task force debated whether it should be solved or dismissed. The same thing is that during the current case, the task force has abundant resources and will not let other cases and needs get around it.

"So, they think this case was also caused by the car driver and should be investigated."

That method has been tried and tested repeatedly. It can be regarded as a general prescription.

"The blood, and the blood stains used for blood stain analysis, still have the same meaning."

Wei Zhenxue coughed twice and said, "Jiang, let's find a suitable case first, get a good start, and then attack."

Mou Hang looked at Wang Chuanxing and said with a smile: "The case is already here. It's here. Let's do it first."

Chapter 263 Scarcity

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"Jian Cheng, they will notify you at a certain time." Mou Hangshi smiled, got up and left.

Whether it is a small car or a large ship, the troublesome point is whether it is recorded or not. Not to mention surveillance, there are no ticket sales points, and the buses and boats are fixed.

"A murder caused by burglary or robbery." Mou Hangshi said.

Wan Baoming took the lead and said: "It's still early to restart. You need to understand the previous case first, and you will definitely find new key clues before we discuss restarting. Yes, forensic doctor Jiang just asked you about the means of transportation used by the murderer. We didn't know it at the beginning. Found it?

Without a logistics park, there would be no small cars. In fact, small cars also have to carry passengers, especially those in the logistics park. If there is no goods, people will meet the car or take a ride.

Wei Zhenguo said: "At that time, there were many thefts and robberies in Shunling, and none of them were solved. The culprits were two car drivers. Before the local park was established, freight charges were getting higher and higher, and the income of local drivers was affected. I don’t have the pressure of a mortgage, so I take risks.”

"They didn't say a few times. They didn't say a few times. They didn't say how many minutes they heard the shouting." Mou Hangshi said: "All old men and women have bad ears."

In fact, from the perspective of historical evolution, cases such as "513 open-door stabbing murder cases" have become mainstream serious cases seventy or seventy years later. Update sd without error

"Have you found the vehicle used by the murderer?" Jiang Yuan asked while looking at the picture.

As for quasi-programs, they are most afraid of encountering unusual situations.

Jiang Yuan then continued to look at the photos.

"Let's talk about it. Disagreements are for discussion." Wan Ming waved his hands repeatedly and said, "The task force is to solve practical problems, and our purpose is to solve the case. Even you can characterize the case as random. Who committed the crime, how can we solve the case, right?"

"." Jiang responded.

Wan Baoming said: "It should be possible. The local area is a suburban town, and there are many public transportation buses. That line should have been checked. Find a policeman from the task force and ask."

There is someone else’s house. Wei Zhenguo said: "That one was described by Biju." The residential area in the area is a large courtyard with a large courtyard, but few people have moved out. The neighbor couple who caused the harm were 70 years old at the time, and it was nap time in the morning. They just thought it was noisy inside. , have you gone out to see it? "

Jiang nodded hurriedly, asked a few questions, and said, "Please take a look. Don't you have time to join Team Wang?"

Jiang Yuan nodded and asked Wan Baoming: "It seems that in that case, there was no disagreement between you and the task force."

He was a fair-skinned young policeman with a straight build, standing straight, and bright eyes. He looked like he had received an adult education at first glance.

Machine killing was originally a very difficult case.

Wan Baoming then went to make a phone call, and came back after a while and said: "There are currently only two people in the 513 case team. They are all working from beginning to end. The one who is coming now is Wei Zhenguo, who is in the detachment. He will be here in five minutes."

That's also a bad strategy we designed on the way.

Of course, killing people as soon as the door is opened still reduces the difficulty, but the essence has not changed.

And the real random killing, especially the one behind the eyes, the murderer who does not have a certain force value is a difficult case.

After a few minutes, a policeman came out with a box of information.

"Bad. There is no need to fix a case." Wan Baoming thought, although Huang Ruomin is charged by case, it is charged at the county bureau level. If it is a murder case, I can accept it.

Wei Zhenguo looked at Bao Ming again and said, "The task force didn't pass on the tool handover at first."

"Part of it." Wan Ming's expression changed. He first looked at the door and saw that there was no one. Then he said loudly: "Although that is too insulting, the romance of random crimes, you mean the literary romance, is really rare."

Wang Xing didn't care about Jiang Yuan's concerns, so he said it first and said:

"Well, I understand." Mou Hang pondered for a while and said, "So, how did they determine the direction of the investigation at that time?"

"How long did it take?"

Then Xiao probably didn't master the skills

Chapter 263 Scarce

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Close. Trace analysis or not, when there is little blood, blood analysis cannot be used to reconstruct the scene, and when there is a lot of blood, analysis still cannot be used to get clues.

"Didn't others hear the sound of the meter reading?"

Mou Hang glanced at Wan Bao, these things are indeed quite scarce. The names of Changyang City Police Force and Criminal Science Center had no effect on the two. As for the "machine murder case", the two had only seen it on TV.

I am not a technical person, but I know that if a technician does not have a strong purpose, the first choice is to go to the scene.

Zhenguo's description seems to be less certain, and he can only guess after a rough consideration.

"The task force believed at the time that the murderer wanted to take advantage of the fact that there were relatively few elderly people living alone in the area and they were relatively poor, and tricked them into opening the door to rob. According to the situation in the region at that time, one or two people were enough to control the scene."

"Where are the witnesses?" Jiang Yuan continued: "No one heard the meter reading, did anyone come out to see it? Did the murderer also go to other people's homes to read the electricity meter?"

"Director." Policeman Wei Zhenguo greeted.

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Chapter 263 Scarce