A total of nine sealed bags were found outside the guard wall, or even on the big trees in the corners of the wall inside the wall.

It is only the size of a thumb and has transparent liquid inside.

"Send it to the test immediately, compare the DNA sequence, if it comes from the same person, report it immediately and prepare to carry out the arrest!"

Wang Shun was really convinced.

It is indeed better to meet than to be famous.

There were dozens of people on my side, but I hadn't noticed it in three days.

Until now, there are still a large group of brothers wandering around the mountains.

But it took less than half a day for me to take four or five hours.

When inspecting the site, I found clues of hair. After a trip to the first custody, I found Zhang Xiaohua's way of getting pregnant.

People really cannot compare with each other.

...

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

After sleeping for an afternoon, they were full of energy.

In particular, they had heard that Chen Yan had discovered two important clues in less than an afternoon, and each of them looked excited.

The most important thing in leading a team is energy and spirit.

In the past three days, everyone has not done it day or night, but it turns out that there is nothing to be discovered.

Those who work as policemen are not afraid of overtime or tired.

But they are afraid that their work will be ineffective and that their colleagues who sacrifice themselves will bleed, but they are powerless.

Now that Chen Yan came, he gave everyone a big injection of stimulant.

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

Chen Yan waved his hand: "This is just the beginning, and the next step is to fight a tough battle. I hope everyone can hold on."

"Now, are you confident to catch these bastards?"

"have!"

This is the spirit that the detective team should have.

At noon, when Chen Yan first arrived, he saw that there were many people, but each of them was full of energy and had no combat power at all.

"Give me the video information on the main road leading to the First Guard Branch before and after the incident."

When inspecting the scene in the afternoon, Chen Yan knew that the other party must have been a long-planned prisoner.

Judging from the existing evidence, Wang Lili is likely to be involved in the prison robbery crime.

Moreover, it played a key role.

After all, Zhang Xiaohua has not been exposed to external information since two years ago.

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

Even the reason why Wang Lili was imprisoned was to carry out this prison robbery.

Because all female prisoners who were detained and sentenced in Tie City were sentenced to be sentenced in Tie City’s first custody.

Once Wang Lili enters the custody, she will definitely be able to contact Zhang Xiaohua.

Although Wang Lili has not contacted outsiders for three months in prison, she can plan the prison robbery plan in advance.

Since the other party can deliver body fluids through high-altitude drones and make Zhang Xiaohua pregnant, he can naturally observe the situation on the ground through high-definition cameras loading high-definition cameras.

Once Wang Lili confirms that Zhang Xiaohua is pregnant, she can notify people outside through fixed behaviors such as gestures and launch a prison robbery plan.

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

However, there is no clue that is directed now, so Chen Yan can only give up on exploration for the time being.

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

"The surveillance video on 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 discoveries at the same time.

"This road is the main road, and the traffic flow is relatively large..."

While watching the video, Chen Yan analyzed the situation of the perpetrators at that time in his mind.

The other party killed people in the ambulance, clean and neat, leaving basically no trace, except for a strand of yellow hair.

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

Absolutely not!

What is that for?

One was that the other party was in a coma and the driver did not see their faces.

So is there any other reason?

What if the driver pretends to be in a coma?

So, it must be another reason that makes them not have time to kill...

right!

time!

The other party must be in a hurry.

But if the other party runs into the mountains, is it necessary to be so anxious?

Need not!

If you run on two legs, you won’t be able to kill one person in half a minute.

Moreover, the other party actually sent body fluids through a high-altitude drone, causing Zhang Xiaohua to become pregnant, allowing Wang Lili to commit a crime on purpose and enter the first custody, helping Zhang Xiaohua to go beyond the custody.

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

impossible!

Therefore, they are most likely not to run up, but will leave on the main road, swaying in a swagger.

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

You should know that after the ambulance leaves the first custody, the situation must be reported every three minutes.

Therefore, the first custodian launched emergency measures as soon as possible after the incident.

Ten minutes after the incident, they arrived at the scene and immediately reported to the Iron City Investigation Team.

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

"Team leader," Wang Shun pointed to the screen: "Three days ago, in the incident period, a total of 298 cars passed by."

Wang Shun had studied videos for a long time, so he was very clear about the relevant data: "There are 168 cars, 54 off-road vehicles, and 76 container trucks."

...

Chen Yan, who turned on the visual gene lock, is now like a projector.

The 298 cars during the incident period were immersed in their minds and compared them with all the vehicles passing through within a month.

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

And more than once or twice.

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

56 vehicles have been passed twice.

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

It's a high probability that it's a commuter car.

There are 24 cars, which have appeared twice to thirteen times.

This is Chen Yan’s focus on.

The remaining are 5 container trucks, which also pass here every day.

"Wang Shun, these 24 cars and off-road vehicles have once again organized a key investigation." After handing over the selected vehicles to Wang Shun, Chen Yan pointed to the five container trucks in the video: "I will find these five cars myself.

Go check it!”

Check it out in person?

Wang Shun was stunned and knew that Chen Yan was suspicious of these five cars.

At this moment, Wang Shun also sent the results of the yellow hair test.

Wang Shun handed the test report to Chen Yan: "Team leader, the result is coming out, it's a cow's hair!"

After taking the test report, Chen Yan stared at the vehicle on the screen while looking at the test sheet.

“There are beef processing plants or breeding farms nearby?”

"Well," a young detective on the side nodded: "Team leader Chen, the first guard is the southeast. There is a beef processing factory about five kilometers away."

The detective pointed to one of the five container trucks frozen in the screen and continued: "This car is their truck for transporting frozen beef."

Um?

Chen Yan froze slightly.

Then a glimmer burst out in his eyes.

This time I have saved the investigation.
Chapter completed!