Parking.

Turn off the engine.

Open the door and get out of the car. The door can be opened to the maximum without touching the neighboring car.

Jiang Yuan felt a bit comfortable.

He is tall, so getting in and out of the car is not very convenient. The narrow parking spaces make it even more inconvenient.

However, even in the county, it is rare to find a parking space spacious enough to open the car door freely. Unless you go to a certain ancient town outside the city, parking spaces in the city have been scarce since ten years ago.

But his newly acquired parking space is different. On his left is a flower bed, and there is a sharp angle that allows for extra space in parking space C16.

Jiang Yuan carefully observed that one-third of the parking spaces in Area C are such corner spaces, which are quite convenient.

Even though the social intelligence of some government officials is questionable, they would not unconsciously waste so much space. Such wasteful behavior can only be intentional.

Jiang Yuan looked around and felt that the flower bed wasted even more space. In addition, the surveillance cameras in the parking lot do not cover everything, which is probably the brainchild of administrative personnel.

The distance from the parking lot to the office building of the police station is indeed much closer.

Along the way, everyone showed a friendly smile to Jiang Yuan.

Jiang Yuan is tall and wears a gray badge, so he can be recognized from a distance.

Jiang Yuan also likes the atmosphere of the police station. Everyone is friendly, like encountering wild relatives during the Chinese New Year. Whether they can remember names or not, the smiles are genuinely warm.

"Behave yourself!" Wu Junhao's voice penetrated Jiang Yuan's ears with great force.

Turning his head to look, Jiang Yuan saw Wu Junhao pushing a criminal suspect towards the interrogation center. His actions on the way were a bit rough.

The handcuffed suspect had a defiant face and smiled, saying, "Don't be angry, I'm just saying, I really just bumped into someone, it's not that serious..."

"Don't act all innocent. With so much blood flowing, you just bumped into someone?" Wu Junhao's voice grew louder, and the muscles on his face bulged.

Wu Junhao was shouting with all his might when he saw Jiang Yuan entering.

"Oh, Jiang Forensic is back?" Wu Junhao couldn't help but smile.

If he could work on a homicide case, he wouldn't bother with these minor public security cases.

The suspect with a defiant face looked at Wu Junhao's sudden change of expression and whispered, "Who's acting all innocent..."

"Do you want to die?" Wu Junhao's face suddenly appeared right in front of his eyes.

The suspect was scared by Wu Junhao's big face and started trembling.

Jiang Yuan greeted Wu Junhao and went upstairs.

Master Wu Jun had already prepared a Xuande furnace and red eggs.

Jiang Yuan smoothly performed the traditional forensic ritual of Ningtai County. When the furnace cooled down a bit, he kicked it under the desk and peeled the eggs, asking, "Do we have a lot of cases in the county?"

"Some, but not many. We did a few injury assessments and a death from a car accident," Wu Jun said as he took a red egg for himself.

"Thank you for your hard work," Jiang Yuan quickly said.

Originally, the workload in the county was handled by two people, but since he went to Qinghe City, Wu Jun had to take on all the daily work. Although it was not the first time, Jiang Yuan still wanted to express his gratitude to Wu Jun.

"There are reports left, you can write them," Wu Jun said, seeing Jiang Yuan's respectful attitude, deciding to give him a sense of participation.

Jiang Yuan then opened the computer and started writing the report with a hum.

The report was a bit annoying, but thinking about Mu Zhiyang having to write reports ten times longer than this, Jiang Yuan felt much better.

After roughly dealing with the remaining work in the county, Jiang Yuan had some free time in the afternoon.

Since he had nothing else to do, he decided to go to the neighboring imaging office and copy some footage to watch.

The three treasures of modern criminal investigation are footage, mobile phones, and DNA.

Especially for ordinary cases on the market, many times they can be solved simply by analyzing the footage.

Jiang Yuan took this opportunity to review the locations of various surveillance cameras he had seen during the day.

After watching the footage for a while, Jiang Yuan felt like he was watching a silent film and lost interest.

He decided to access the internal network and look at the recently reported cases.

For a county police station, there are always many unsolved cases throughout the year.

Considering that many cases are stuck before being filed for various reasons, the actual solve rate is not high.

But from another perspective, the cases that have been filed still have some investigative value.

Jiang Yuan immediately focused on the area around Jiangcun Community.

After all, he is not being supervised now.

And there is no need to explain so much to others when handling cases in the criminal investigation team.

He just needs to do it.

There have been several cases around Jiangcun Community in the past few weeks, but the nature of the cases is relatively light, mostly theft and fights.

Jiangcun Community is a bit on the outskirts of the city, and many out-of-towners pass through Ningtai County via Jiangcun. It is common for them to commit crimes occasionally.

Jiang Yuan chose a theft case involving the theft of a mobile phone and started reading.

In fact, theft cases are not easy to solve.

First of all, most theft cases are random.

This alone discourages many investigative methods.

Experienced detectives have an advantage in this regard. The suspects in theft cases are often part of a circle of delinquents, with strong regional ties and dense social networks. Asking a few questions can easily lead to answers.But without the use of informants or networking, solving a theft case might be even more difficult than solving a robbery case. This is because petty thieves are more familiar with the blind spots of surveillance cameras. Even if the remaining few are rather slow, they are still learning bit by bit, diligently and seriously.

For Jiang Yuan, this level of difficulty was just right.

He wanted to test his understanding of surveillance systems.

In addition, Jiang Yuan had a secret weapon.

He had already recognized the faces of a few petty thieves who often committed thefts in Ningtai County. Although it was difficult to see faces clearly due to the quality of surveillance in Ningtai County, after familiarizing himself with several videos, Jiang Yuan could recognize the gait of several people.

Gait recognition is already a very mature technology in China. The initial investment in surveillance AI at airports and high-speed railway stations uses gait recognition technology. In theory, it can recognize thousands of people at once.

On the contrary, facial recognition is more human-like and requires the construction of special checkpoints for identification. And it can only compare one face at a time.

Ningtai County naturally does not need such surveillance AI. In fact, even if airports and high-speed railway stations have installed similar gait recognition systems, they are not used to catch petty thieves.

Jiang Yuan, a smart young man, was not so precious. Within the time and location range claimed by the reporter, Jiang Yuan quickly found a familiar gait.

By following the trail, he discovered that this person had stayed at a bus stop three kilometers away from Jiang Village for a long time.

The place he stayed was a blind spot for surveillance, indicating that he also knew the location of the cameras at the bus stop.

For ordinary detectives, this would be quite troublesome.

If they wanted to catch the thief, they would need solid evidence, preferably by ambushing at the bus stop in advance or setting up cameras to collect evidence.

However, in Ningtai County, where there are more people and fewer thieves, the petty thieves can't even cover one bus stop a day. Two or three police officers would be exhausted, and they might have to stake out for one or two months before they could possibly gather evidence. The cost of manpower is too high.

Unless it's a foreign friend or an important person's phone, no detective team would go to such lengths.

Moreover, a lost phone is not necessarily stolen, which is why many people who lose their phones and report it cannot file a case. The case that Jiang Yuan found was filed because the victim's bag was cut open.

This confirmed that the phone was stolen, not lost by the owner.

Jiang Yuan continued to look for other cameras.

Jiang Yuan had now confirmed that this person was stealing. The question had become: how to see the footage of him stealing.

Soon, Jiang Yuan found a camera that was a bit further away.

Needless to say, he started using image enhancement technology.

At the confirmed time point, he pulled out a few frames, applied LV5 image enhancement, and got the actions of cutting the bag and stealing the phone.

"Hmm... this is at 13:32 on June 17th." Jiang Yuan noted down the time, the surveillance number, took a photo with his phone, and continued to watch.

As it turned out, petty thieves had a lot of work to do.

This one was not ambitious, still using the old-fashioned method of cutting bags to steal, only changing from stealing wallets to stealing phones.

And it was still a two-person operation.

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Jiang Yuan calculated that he had accumulated about 10 years of prison time for him, and then sent it to Wei Zhenguo.

Soon, Wei Zhenguo called: "Good guy, didn't you just get back?"

"I found it while playing with the surveillance..." Jiang Yuan chatted with Wei Zhenguo for a bit, then hung up the phone.

Downstairs, Wei Zhenguo was already packing up, ready to go out and catch the thief.

Jiang Yuan hung up the phone, and as he was about to look for another case, the phone rang again.

At a glance, it was Liu Jinghui.

Jiang Yuan sighed, the reason why there were still petty thieves in Ningtai County was because people were killing too much.

If people could kill a little less, have fewer murder cases, and let the police free up some time, wouldn't these petty thieves be caught quickly?

Jiang Yuan sighed, picked up the phone: "Liu, is there a case?"

"I'm still dealing with Wang Guoshan's case." Liu Jinghui sighed, "This guy is a bit slippery. After being sent to the detention center, he started to bargain with us."

"He's definitely getting the death penalty, what's there to bargain about."

"Requests to improve meals and such are always possible." Liu Jinghui's voice sounded a bit tired, "The key is that the interrogation is not going smoothly. Yu Jun, the coal miner, you remember him, right?"

"Of course."

"Yu Jun is the oldest corpse we found, but he should not be the first person Wang Guoshan killed. Moreover, Wang Guoshan is not very willing to talk about the details of killing Yu Jun. I plan to go to the scene to take a look."

"The scene of Yu Jun's death?"

"Yes, Zifeng Mountain Coal Mine. I plan to bring two dogs over to see if we can find anything."

Bringing dogs, in itself, already indicated Liu Jinghui's thoughts. He was going to look for bodies.

Jiang Yuan couldn't help but think of the last case with Tan Yong, where a group of dogs found the body in the ventilation shaft of the mine.

"Did Shen agree?" Previously, when Liu Jinghui wanted to bring dogs to the coal mine, the squadron leader Shen Feihong had denied it.

Liu Jinghui said indifferently: "He didn't object. I can just call for dogs from elsewhere."

"Should I come over tomorrow?"

"Forget it, you stay put. Until we find a body, there's nothing you can do, and it also saves you from offending Shen Feihong." Liu Jinghui said a few more words, then hung up the phone.