I don't want to solve the case when I'm a little policeman.

Chapter 270 Xu Zheng's Invention

Yangzhou City is close, and the two arrived there in more than an hour. When Xu Zheng got the victim's jawbone, Zhang Yuqi also asked Qiao Changling, the head of the Serious Case Division of the Yangzhou City Criminal Police Detachment, "Captain Qiao, what are you doing?" How about the results of the skull DNA test?"

Qiao Changling is older, almost 50 years old. "The DNA result came out, but there was no match in the database, and our forensic doctor initially identified that it was a skull fragment of a girl under 16. The police basically did not collect children of this age. Fingerprints, not to mention DNA data.

Now I hope that Xiao Xu can hurry up and complete the skull restoration. "

Since Xu Zheng came here, he has been looking at this jawbone. He said that it is a jawbone, but it is actually only a small part of the gums, and it has been soaked in strong acid. Taste, "Brigade Joe, have you found other skull fragments? To be honest, it's a bit difficult with the current skull, so it will take a little longer."

Qiao Changling was overjoyed when he heard the words, a little longer is fine, as long as it can be done, the forensic doctor in their city will take three days, even this is not 100% sure that it can be completed, "Xiao Xu, how long will it take you?"

Xu Zhengmo calculated, "Six hours, this is the time for skull restoration, the rest of the 3D modeling can be done by yourself, of course, I can help you draw a simulated portrait, 10 minutes will do. "

When Qiao Changling heard this, without saying a word, he pointed to the workbench with his right hand, "Then trouble Xiao Xu, if you need anything, just tell our colleagues here."

Xu Zheng nodded and started working. Zhang Yuqi declined Qiao Changling's arrangement. She said that she could just stay here and wait for Xu Zheng, and she just happened to read the files of old cases in the team.

Xu Zheng took a closer look at a small section of the jawbone. The fracture section was probably cut out with a kitchen knife. Such a piece of bone, the aunt who scavenged unexpectedly could recognize it. It seems that it is someone with a different story.

Xu Zheng put back his wild thoughts and started to work. He took out a small bottle of blue potion from his pocket. This was a potion he had mastered the master-level skull restoration technology and forensic knowledge, and prepared it with the knowledge given by the system.

This bottle of blue potion is applied to the skull fragments, which can show the traces of blood vessels on the skull, so that the skull restoration specialist can further infer the flow direction of the scalp muscles along the traces of blood vessels on the bones, and then infer the broken muscles through the flow direction
It's easier said than done, this is the first time Xu Zheng has used the potion that he has prepared for a long time, not to mention pouring it on the bones, the lines will form after a while.

In this way, the working time of the skull restorer is greatly reduced, because with the lines, there is no need to deduce the flow of blood vessels and muscles a little bit.

Zhang Yuqi also saw Xu Zheng's operation, and asked curiously: "Xu Zheng, what kind of potion is this, are the traces of blue branches and vines traces of blood vessels on the scalp?"

Xu Zheng nodded, and told her what he had researched, "This reagent is still being researched, and the data is still being collected. I don't know if the accuracy rate is high."

"How about the cost of this potion? You can develop more and let our city and province's skull restorers help you collect data. This is no better than your own exploration."

"David Zhang, you don't understand. There are tens of thousands of traces of blood vessels on the skull. This doesn't mean that an experienced skull restorer can help me collect data. What I want is a very professional person, because a single blood vessel may affect the skull restorer. judgment, thus affecting the appearance of the skull after restoration.

As for the cost, it is not high, it is the contrast agent for trace detection plus some chemical ingredients.

Don't talk about it, I'll do some research. "

Because the knowledge of skull restoration was endowed to him by the system, the potion he researched had the systematic knowledge of forensic medicine, and he had just been a postgraduate student of Professor Ji Qianli. Finished product?
In fact, this kind of thing is not to say that there is no such thing. On the contrary, this kind of thing has been around for a long time. It has always been the place where the hospital checks the bleeding point to create a contrast agent for the patient's blood vessel, and finds the place where the blood vessel ruptures by observing the contrast agent.

After sorting out the knowledge given by Xu Zheng through the system, he borrowed this contrast agent.

It's just that he has to study more to show all the traces of blood vessels on the skull. This is not a short-term project. If it succeeds, it will definitely be a great tool for the skull restorer, saving countless time.

Of course, if it succeeds, the first step is of course to apply for a patent, and then consider realizing it. You must know how many forensic doctors there are in the country and how many can recover their skulls. They were all wiped out, but because the victims' bones were difficult to destroy, there were a large number of skull restorers.

After Xu Zheng explained to Zhang Yuqi, he started to work. He is really experienced in skull restoration, even though the skull had been soaked in strong acid by the murderer.

It's just that the more detailed he recovered, the more sad he felt, because in the end, the skull was really a little girl about 15 years old.

She looked quite cute, but such a beautiful little girl had her muscles melted after her death, her skull was smashed into pieces, and even the skull fragments were thrown into the trash can.

I can't imagine how her parents would feel after knowing this situation?
For Xu Zheng, who had just discussed children's education with Han Rui a few hours ago, it was the first time he felt against having a daughter. Although his daughter was a small padded jacket, if he didn't worry about it, it would definitely hurt his heart.

Looking at the reconstructed skull in front of me, it is not considered as a complete restoration. There are still some work to be done, such as the skull and the back of the head, and the most time-consuming eyes. If all these tasks are completed, it will take nearly two more Hour.

It's just that what the Yangzhou police need most now is time, so Xu Zheng decided not to do the rest of the work, because he can draw a sketch of the victim after recovering the face.

The sketching was very fast, because after three hours of skull restoration, Xu Zheng had already had success with the girl's appearance, and he completed the simulated portrait in less than 10 minutes.

The girl in the painting is indeed only about 15 years old. The hairstyle Xu Zheng gave her was designed according to her face shape. If the girl loves beauty and her family background is good, then there is a high probability that she will have this hairstyle.

In fact, girls, at this age, should be in middle and high school, and there are only those kinds of hairstyles.

It has been six hours since the Yangzhou police received the report. Xu Zheng spent three hours on the skull restoration. It was already past 12 o'clock in the morning. It was just strange that the girl should have been lost at least Six hours, plus it was so late, but no one reported the crime.

Since no one reported the case, it was impossible to determine who the victim was, so the police have investigated everything they can now, but there is still no clue.

After drawing the simulated portrait, it was discovered that Zhang Yuqi had fallen asleep lying on the table, and Xu Zheng woke Zhang Yuqi up.

Then, when Zhang Yuqi stood up, he found that the woman had drooled on the table when she fell asleep, and she didn't know it yet.

But just when Xu Zheng wanted to remind her, a group of colleagues from Yangzhou City came outside. Qiao Changling took the lead. After greeting Xu Zheng and the others, he looked at the simulated portrait drawn by Xu Zheng, and then arranged for his colleagues to collect photos. Intranet and household registration files collect information on girls.

Xu Zheng saw that Zhang Yuqi was also looking at the photos, so he scraped her saliva into the palm of his hand, and then wiped it on his pants. This woman, not to mention, drools a lot. She drools while sleeping in this place. Also really big.

The colleagues in Yangzhou City were very enthusiastic. Xu Zheng drew a simulated portrait. Because it took time to search for information, they took advantage of this time to invite Xu Zheng and Zhang Yuqi to have supper in the office.

The investigators worked overtime to handle the case and probably ate about the same. They made Xu Zheng and the others a bucket of instant noodles, a salted duck, and some other snacks.

Xu Zheng didn't affect his appetite because he touched the skull. On the contrary, he ate a nutritious meal every day for the past few days. The taste of the instant noodles immediately opened up his taste buds. Regardless of the fact that it was still steaming, he opened the lid and started eating. Not to mention, it's really fragrant.

It's just that his nose is very sensitive now, and he can always smell the smell left by Zhang Yuqi's saliva that he touched with his right hand just now.

Not to mention, it's the scent of peaches, alas, the team leader didn't even find a boyfriend, so he lost such a good skin for nothing.

No, or find a girlfriend, because everyone in the second brigade didn't feel that their brigade leader was a woman during their work.

After a while, Qiao Changling walked over with a sad face. Seeing that Xu Zheng and Zhang Yuqi were still eating, he forced a smile and let them continue eating.

Zhang Yuqi put down her fork, "Brigade Qiao, is there a message about a girl? What's the situation?"

Qiao Changling sighed, "We matched the girl's information in the city's student status files, and then found her family's information.

What is currently found is that the girl is a single-parent family, and lived with her father after her parents divorced.

We have already contacted her teacher and father. Her father is also working very hard. He goes to work during the day and drives an online car-hailing service at night. When he heard that we were coming to the criminal police team, he thought we were fraudsters.

Alas, I don't know how to say yes to him later? "

Xu Zheng couldn't help this kind of thing, but after hearing what he said, he lost the appetite to continue eating, "Brigade Joe, I still have a few parts left to do with the skull restoration, and the forensic doctor on your side can take over as well." , so, then we will take our leave first.”

Qiao Changling was polite again, and personally sent Xu Zheng and the others to the car.

On the way, Zhang Yuqi was driving and saw Xu Zheng was still thinking about the little girl just now, "No one wants this kind of thing to happen, you can help the colleagues in Yangzhou to restore the skull, which is already a great help.

By the way, Team Qiao gave 1000 yuan in red envelopes, all of which are yours. "

(End of this chapter)