National Forensic Doctor

Chapter 851 Makes Sense

Jiang Yuan operated the mouse and compared the fingerprints scanned by the software one by one. He looked up at the living room and said politely: "That... Captain Li and Captain Liu, have some tea and take a rest. It's okay. You can use your mobile phones. I have a problem here. I think it would be better to have your local police here."

After Jiang Yuan said this, the two police officers immediately straightened their backs.

Among them, Liu Ling said: "Captain Jiang, it's okay. You go about your business. If you have anything, just call us... Uh, do we have a case?"

"Yes, I just happened to encounter a case. I don't have anyone here. It would be best if you can help stay for a while." Jiang Yuan paused: "By the way, do you have a gun?"

The smiles on the faces of the two people became visibly frozen.

Although China is not as exaggerated as Japan, where the police chief is proud of not using a gun during his career, for ordinary police officers, how many people have held a gun while on duty after 2000? How many people have fired a gun?

In a county-level place like Sudao, not to mention the police officers in the police station, the criminal police will not have the opportunity to shoot all year round.

Li and Liu originally came to give a gift and say hello to Jiang Yuan and leave, but now...

The two of them exchanged glances frantically, fearing that they would become gifts.

"If you have something to say, you can play with your mobile phone, but it is best not to communicate with the outside world, including your Kong Office, don't cause trouble for him."

Jiang Yuan said half true and half false. If this case is successfully completed, everyone will be happy, but if any news leaks out and someone runs away, then from this moment on, the calls and messages sent by the two will be reviewed.

The disciplinary requirements of the disciplined forces are extremely serious when it comes to Jing. The two police officers sat up straight and responded.

In theory, they can actually not listen to Jiang Yuan, but neither of them considered this option at all.

Jiang Yuan did not say too much, and turned around to continue looking for job opportunities for colleagues who came by charter flight.

There were more than thirty fingerprints on the fan. Jiang Yuan scanned them first, classified them, and then selected some of them as feature points, and finally classified them into seven people.

If it was a newbie, it might take a quarter to half an hour to do such a fingerprint and mark it. The skilled elite trace detector at level 1 might be faster, but it would still take about 10 minutes. The difference is that the accuracy of the trace detector at level 1 is higher and the repeatability is higher.

In other words, just marking the fingerprints on this fan surface may take a day or two for ordinary trace detectors, and in fact, more than that, because there must be some difficult fingerprints that cannot be marked.

This is also the case in ordinary cases. Most of the fingerprints extracted are actually key fingerprints, such as fingerprints on murder weapons, fingerprints on tools, vehicle handles, window sills and door handles, etc.

If all the fingerprints at the scene of the case are extracted, it will be endless work for most criminal teams.

But when it comes to Jiang Yuan, only half of the thirty or so fingerprints are left after classification. In fact, many repeated fingerprints have long been excluded from these thirty or so.

When it came to the feature point marking stage, the complete fingerprint was as difficult as a primary school oral arithmetic for Jiang Yuan. He scanned it at a glance, and the faster his hands were, the faster he was.

It took Jiang Yuan only half an hour to extract the fingerprints of the entire fan, which averaged out to two minutes for each fingerprint. Jiang Yuan usually didn't need to do this.

On the contrary, when it came to the fingerprint matching stage, it was more or less a matter of luck and metaphysics.

However, this time the fingerprints were not fancy...

Although the owner of the fingerprints was quite fancy.

As Jiang Yuan expected, one of the three young ladies had indeed been hit, and had been hit three times, making the average number of hits for the three young ladies one.

This is the so-called broken window theory. Once a person has been caught once and hit once, he is likely to... not be so afraid of the hit itself - this is also one of the secondary disasters caused by the criminalization of drunk driving.

From Jiang Yuan's perspective, the three young ladies were forced to take a video together by the photographer. Even if the business model is a little different, they are similar and know each other.

Thinking of this, Jiang Yuan picked up his phone again and called the office of the backlog task force.

"Captain Jiang?" Tang Jia was in the center at this time.

"Well, I'll send you another person, a prostitute. You can see where she mainly works and find out the situation from the local public security police. Well, make a call and ask her to report to the Ningtai County Bureau. In addition, I'll give you three more people, two of whom are suspected to be prostitutes and one is a pimp. You can find technical investigation and network security to study and mark the time and place where the three of them appeared together."

As Jiang Yuan spoke, he sent Tang Jia the information of several people.

Because Jiang Yuan's technical indicators are comprehensive and exceed the standard, he has always been straightforward in handling cases.

This time, Jiang Yuan still played straight. In his opinion, if this photographer Wang Haoyu is a drug dealer and a part-time pimp, and also runs that unprofitable photo studio, then even if he is a master of time management, the time he can spend on the pimping job is limited.

Since time is limited, there are definitely not many young ladies that Wang Haoyu can control.

And if he wants to use his job to entertain his superiors, and gather the young ladies under him to give the recipients more choices, it should be very possible.

The two people standing guard in the living room looked at each other silently. They stayed in the police station. If they wanted to use technical investigation and network security, they had to report in advance.

After a while, Tang Jia called back: "Now there are more than a dozen confirmed locations. Can they be sent to your mobile phone?"

"Are there a dozen? How many provinces and cities?" Jiang Yuan was a little surprised. This photographer has a very close relationship with the three young ladies. From this point of view, it is a bit insulting to always say that he is a prostitute. He is somewhat involved in organizing prostitution. This is a difference between 2 and 7 years in prison.

"Three provinces, five cities." Tang Jiada said.

"Well..." Jiang Yuan pondered for a moment and said: "In this case, you report it to Political Commissar Huang, and then go to the anti-drug detachment and ask them for the new drugs during this period, especially the type of drugs I sent you. Let them compare things like the frequency of bulk shipments with the time when these people appear. "

Jiang Yuan intentionally did not mention words like popping candy.

The two people in the living room were naturally even more confused after hearing this. They only knew that Jiang Yuan seemed to be preparing to mobilize the anti-drug detachment again.

At this time, the two of them were somewhat restless. After all, they really didn’t carry guns!

Tang Jia quickly took notes on the other end of the phone and asked: "After comparison, will the results be sent to you?"

"I want a case with clues. If a corresponding case appears at the corresponding time and place, you can send me the case number."

"clear."

Tang Jia understood at this time that Jiang Yuan connected a series of cases together in this way, which was equivalent to merging a series of drug cases through three prostitutes and prostitutes.

This method is an extremely efficient way to solve cases, but it is also quite difficult.

Of course, if the entire case can be completed in this way, it will also be a highly complete model, because the number of uncovered cases will increase, the amount of money and drugs involved will increase, and the facts involved will be more comprehensive, which will bring about the most direct consequences. The impact is that the death penalty rate for those involved will greatly increase!

Jiang Yuan put down his cell phone, smiled at the two policemen, got up and poured a cup of tea for them, and said bluntly: "This may be a series of cases. You worked hard to protect me this time. I will take credit for you later."

Police officer Liu Ling said subconsciously: "No, no, no..."

"What nonsense are you talking about?" The policeman next to him quickly interrupted him and said to Jiang Yuan: "Thank you, Captain Jiang. We will definitely stand guard and stay in position!"

Chapter 866/1226
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National Forensic DoctorCh.866/1226 [70.64%]