A total of nine sealed bags were found outside the guarding wall and even on the big trees in the corners of the wall.

It's only about the size of your thumb and has a clear liquid inside.

"Send it immediately for testing and compare the DNA sequence. If it comes from the same person, report it immediately and prepare to arrest!"

Wang Shun was really convinced.

Being famous is indeed not as good as meeting.

There were dozens of people on my side, and they found nothing in three days.

There are still a large group of brothers hanging around in the mountains.

But I came here for less than half a day, so it took me about four or five hours.

During the investigation of the scene, clues about hair were found, and after a visit to the first guard, the method of Zhang Xiaohua's pregnancy was discovered.

There really is no comparison between people.

When Chen Yan and Wang Shun returned to the Iron City Detective Team, everyone had finished their rest.

After sleeping all afternoon, everyone was full of energy.

In particular, they had heard that Chen Yan had discovered two important clues in less than one afternoon, and they were all excited.

When leading a team, the most important thing is spirit.

In the past three days, everyone worked day and night, but nothing was discovered.

As a police officer, you are not afraid of working overtime or being tired.

But they are afraid that their work will be ineffective and that their colleagues will bleed, but there is nothing they can do.

It's fine now. When Chen Yan came, he gave everyone a big shot of stimulant.

As soon as Chen Yan entered the conference room, everyone couldn't help but cheer.

Chen Yan waved his hand: "This has just begun. The next step is to fight a tough battle. I hope everyone will persist."

"Now, are you confident in catching these bastards?"

"have!"

This is the spirit that a detective team should have.

At noon, when Chen Yan first arrived, at first glance, there were a lot of people, but everyone was working hard and had no fighting ability at all.

"Bring me the video data of the main road leading to the first guard branch before and after the incident."

When he inspected the scene in the afternoon, Chen Yan knew that the other party must have been planning to rob the prisoner for a long time.

Judging from the available evidence, Wang Lili is most likely involved in the crime of robbing prisoners.

Moreover, it played a key role.

After all, Zhang Xiaohua has had no contact with outside information since two years ago.

If we follow this reasoning, the time they started planning should be three months ago when Wang Lili was imprisoned.

In fact, the reason why Wang Lili was imprisoned was to carry out this robbery.

This is because all female prisoners detained and sentenced in Iron City have their sentences executed at the No. 1 Prison in Iron City.

Once Wang Lili enters the custody, she will definitely have access to Zhang Xiaohua.

Although Wang Lili had no contact with outsiders for three months after being imprisoned, she could have planned the prisoner robbery plan in advance.

Since the other party was able to deliver body fluids through high-altitude drones to make Zhang Xiaohua pregnant, they could naturally observe the situation on the ground through high-altitude drones equipped with high-definition cameras.

Once Wang Lili confirms that Zhang Xiaohua is pregnant, she can use gestures and other fixed behaviors to notify people outside and launch a prisoner-robbing plan.

As for why Zhang Xiaohua couldn't wait for eight months, Chen Yan didn't know.

However, there are currently no clues that are pointing, so Chen Yan can only give up the investigation for the time being.

Wang Shun and the others had collected the video data on the main road early in the morning.

"The surveillance video of this main road is part of the Sky Eye system, and the storage period is very long. We have reviewed the video for nearly a month."

Wang Shun handed the video to Chen Yan and reported their findings.

"This road is a main road, and there is a lot of passing traffic..."

While Chen Yan was watching the video, he was analyzing the situation of the perpetrators in his mind.

The other party killed people in the ambulance, neatly and without leaving any trace except for a strand of yellow hair.

Moreover, the other party did not kill the driver. Is it because the other party was kind?

Absolutely not!

What is that for?

One is that the other person is unconscious and the driver does not see their face.

Is there any other reason?

What if the driver pretends to be unconscious?

Therefore, there must be other reasons that prevent them from having time to kill people...

right!

time!

The other party must be in a hurry.

However, if the other party runs into the mountains, is there any need to be so anxious?

Need not!

Running on two legs would take half a minute to kill someone.

Moreover, the other party even used a high-altitude drone to deliver bodily fluids to get Zhang Xiaohua pregnant, allowing Wang Lili to intentionally commit a crime and enter the first prison guard, and help Zhang Xiaohua escape from prison.

So how can the opponent not have a complete retreat strategy after killing people and robbing prisoners?

impossible!

Therefore, there is a high probability that they will not run up there, but will leave on the main road in a car.

The question is, what car will they take to leave?

You know, after the ambulance leaves the first guard, it must report the situation every three minutes.

Therefore, the first warden initiated emergency measures immediately after the incident.

They arrived at the scene ten minutes after the incident and immediately reported it to the Iron City Detective Team.

All passing vehicles on that main road were tracked and investigated, but no abnormalities were found.

"Team leader," Wang Shun pointed at the screen: "Three days ago, during the time of the crime, a total of 298 vehicles passed by."

Wang Shun had studied the video a long time ago, so he knew the relevant data very well: "There are 168 cars, 54 off-road vehicles, and 76 container trucks."

The statement that unlocks the visual gene is like a projector at this moment.

The 298 vehicles during the time of the crime are immersed in the mind, and then compared with all the vehicles that passed by within a month.

Since the other party is an organized prisoner, they will definitely check the locations in advance.

And not just once or twice.

In this way, after comparison, the number of vehicles passing through this main road repeatedly within thirty days has been greatly reduced.

56 vehicles passed more than twice.

Among them, 27 vehicles are cars and off-road vehicles, passing here every day.

Most likely it's a commuter car.

There were another 24 vehicles, appearing between two and thirteen times.

This is what Chen Yan focuses on.

The remaining 5 container trucks also pass by here every day.

"Wang Shun, these 24 cars and off-road vehicles are once again organized to be inspected." After handing the selected vehicles to Wang Shun, Chen Yan pointed to the five container trucks in the video: "Find these five vehicles, I will personally Go check it out!”

Check it out in person?

Wang Shun was stunned, knowing that Chen Yan was suspicious of these five cars.

At this moment, Wang Shun arranged for the results of the yellow hair test to be sent over.

Wang Shun handed the test report to Chen Yan: "Team leader, the result is out, it's bull's-eye!"

After receiving the test report, Chen Yan looked at the test form and stared at the vehicle on the screen.

"Is there a beef processing plant or breeding farm near here?"

"Yes," a young detective on the side nodded: "Team Leader Chen, there is a beef processing plant about five kilometers southeast of the first guard."

The detective pointed to one of the five container trucks frozen on the screen and continued: "This truck is the one they use to transport quick-frozen beef."

Um?

Chen Yan was slightly startled.

Then his eyes burst into light.

This time it was easier to investigate.

"Let's go, beef processing plant!"

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