Chapter 570: Bald Attack Team Attacks

Changyang Criminal Investigation Center.

Jiang Yuan took the high-speed train to Changyang City directly with the clothes he got back.

These clothes have been cleaned and searched several times. It can be said that it is very difficult to find hair-level evidence from the fibers of these clothes. Even if they are found, most of them are contaminated eucalyptus. The hair of outsiders.

Jiang Yuan's expectations were placed on the dander, especially on the woolen coats, wool cashmere sweaters, sweaters, fur hats and scarves he brought back this time.

Although these clothes have gone through many rummagings. But it is not suitable for washing, and it does not need to be cleaned regularly. The Liu family did not take it for dry cleaning after Liu Limin's death. Therefore, it is the most promising to find dander.

Secondly, there is a certain space in the gaps between these woolen and woolen products to accommodate dander. Especially when two people are in close contact, such as hugging, the dander may penetrate deep into the fiber. , and only in this way, the skin scraps found are the most valuable.

This level of difficulty can be said to be hellish.

Therefore, even though they were facing a basket of clothes, half of the technicians at the Changyang Criminal Division Center began to tremble.

The remaining half will not be done.

Wan Baoming still insisted on gathering people over.

Jiang Yuan stood in the middle of the laboratory and said, "Thank you for your hard work. The task this time is quite important. We must extract as much dander as possible from the clothes. It is better to be slow than to miss it."

Jiang Yuan was not prepared to do it alone. Even if there were just twenty pieces of clothes, hats and scarves, it would be tiring for three of them to do it together.

The workload of doing this may be greater than the workload of doing pollen, and it is almost the same as the concept of trace evidence.

At this stage, if you want to make it easier for eucalyptus to make pollen, you often use washing to wash out the pollen on the objects. Because pollen is acid-resistant and corrosion-resistant, even if it is ravaged like a washing machine, the pollen evidence will only be rinsed in water and then found a way to extract it with a centrifuge.

If the dandruff is caused in this way, it will be fine if the number is large, but if the number is small, the loss will be too great.

Wan Baoming had chatted with Jiang Yuan in advance and knew that it was a job of finding a needle in a haystack, so he specifically emphasized: "Eucalyptus is very important, everyone, cheer up, let's divide into groups AB, the two groups will cross-check, and the group with the most mistakes and omissions will have dinner Three drinks as a penalty!”

"I'll treat everyone to roasted whole lamb for dinner, with enough craft beer and Moutai." Jiang Yuan activated his cash ability.

The technicians suddenly became excited. In these days, no one is short of a little oil star, but it is still very happy for everyone to have a lively roasted whole lamb, drink some Maotai, drink some beer and so on.

Furthermore, this was a favor to Ningtai Jiangyuan, and since he was gracious enough to treat him, he was naturally willing to roll up his sleeves and do it.

Apart from anything else, it would be great to leave a good impression on Ningtai Jiangyuan, ask for advice later, or have any technical cooperation, and just become familiar with him.

The technical boss may be a little less powerful than the political boss, but as long as the technical boss doesn't die, he can always exert his remaining energy, which is quite impressive.

Changyang City's Criminal Science Center was originally the largest criminal science and technology team in the province, larger than the provincial department. These days, those who don’t know about trace evidence are working on other projects and tasks, and those who know about trace evidence are working together, and the laboratory is also lively.

Jiang Yuan also called Huang Qiangmin and used the money owed by the Changyang Municipal Bureau to first buy a batch of head-mounted microscopes for the Changyang Municipal Bureau and then distribute them to everyone.

A group of people put on head-mounted microscopes and set out to search for skin flakes in the cracks.

The collected dander was sent directly to the laboratory to start PCR.

DNA identification based on dandruff, especially dandruff, was a technology developed by government departments around 2008. It has been 10 years since it was promoted to Shannan Provincial Department, and it has been almost 12 years since it was promoted to various municipal, bureau, and county bureaus. What happened before and after.

Before that, if the criminal police didn't pay special attention to this knowledge, they wouldn't collect dandruff at all.

Knowledge updating is a very long process. For criminal police officers, not to mention such heavy daily tasks, there is also a lot of knowledge that needs to be updated. Today I listened to the technical explanation of smart door locks, and the day after tomorrow it will not be the sixth explanation of DNA. It is also normal.

From this perspective, it is still possible to find the boyfriend's dandruff in the victim's clothes.

It’s just very eye-catching.

A group of technicians started working and soon became silent.

On the other side, Xu Taining was also very tired.

There are three places and one bureau, and there is one department and one department above. Although the latter two appear in a cooperative manner, they also have requirements and have to report from time to time. Xu Taining himself is the senior police sergeant sent by the provincial department, and the department The demands placed on him inside are even higher.

Furthermore, it is not enough for the report to be just an empty description; it must also contain substantial data.

Even if the leader just listens to it, data and information are indispensable.

And when it comes to providing money and people, it is becoming increasingly difficult for the three places that contribute the bulk to cooperate. The provincial departments and ministries only provide matching services. They will pay in proportion to how much money is provided by the subordinates. Even so, the provincial departments and ministries have begun to It doesn’t sound nice anymore.

At this time, an ordinary leader might need to seek support. Xu Taining is not like this, he always uses PUA.

"Huo City has reached 30%. If you add more, I will complete the report."

"Yes, Huo Shi has joined, so do you? Well, then you still rank first. Don't worry, the report will remain the same."

"Well, you must mark it specially here. In fact, I suggest exchanging people for funds. It is more cost-effective to exchange now, so as not to change people later and the price ratio will change."

"It is okay to include the laboratory time. You can open a bill later, but you have to make up a little more for the funds... Hey, it can be deducted from the laboratory funds later, but now everyone has paid, only you haven't paid..."

"Hey, the laboratory funds of Changyang Municipal Bureau have been paid. Look at your side..."

As for task management alone, although there are several lines to manage, Xu Taining does not think it is too difficult. But PUA of various units... In fact, it is not very difficult.

Standing in the conference room, Xu Taining danced with joy, like a fish in water, and his voice was like a bell. He kept waving his arms and shouting loudly, like a football coach, as if everyone was pushed by him.

But the various units were really pushed by him.

The next night, after many screenings, a clue finally became the only one.

Xu Taining checked again and again, and then he didn't even care about the leaders of the provincial department, and couldn't wait to call Jiang Yuan. In the two recent cases involving Jiang Yuan, Xu Taining had laid out his troops but returned empty-handed. He felt so frustrated that he couldn't express it in words. Now he finally felt proud.

"Captain Jiang, we may have found someone." Xu Taining's voice was so loud that it could pass through the glass window and reach outside the meeting room.

"Found it? How did you find it?" Jiang Yuan was also inexplicably surprised.

Xu Taining was very proud and said, "It's simple to say. Pull out the real estate transaction list of the three places and one bureau. The number of people who bought houses in the market with cash in the three years before the case was discovered is only four digits. Compare it with the transfer records in the list of the victim Liu Liming, and one person will come out."

He said it easily, but thinking about the effort of pulling the clues all the way, a single county bureau may not be able to hold on to this moment.

Xu Taining boasted: "This man's name is Wang Shiji. What a coincidence! His family is really a railway family. He is from Changyang City. His uncles, brothers, and grandfather are all on the railway..."

"Have you arrested him?" Jiang Yuan asked hurriedly. Just based on these details, it is enough to bring Wang Shiji back for interrogation. "

"We will leave immediately." Xu Taining laughed twice to cover up his embarrassment.

This time he called Jiang Yuan as soon as possible, so there was no time to order the arrest.

After hanging up the phone, Xu Taining immediately called Wu Junhao and asked his bald strike team to set off and head straight to Changyang City.

Then Xu Taining called the provincial department and Changyang Municipal Bureau.

When Wu Junhao's bald strike team arrived and joined the police from Changyang Municipal Bureau, it was probably late at night, but no one raised any objections.