"I know a lot of things." Mu Yuan smiled casually.

Cheng Bin nodded aside and joked: "This is the truth! From climbing mountains and walls to fishing in the sea, Team Mu is top-notch. As for swimming, if Team Mu goes to the Olympics, he will probably only get a gold medal."

Nothing will happen without those athletes."

"I think so too." The corners of Mu Yuan's mouth raised slightly.

Lin Qing's eyes widened and she looked at these two men...

Do you still want face?

But after all, the other party was a leader. How could she, a newbie, dare to say anything? She had to turn her head and pretend not to hear.

Fortunately, Mu Yuan didn't "brag" anymore. He took Cheng Bin and Lin Qing around the perimeter of the community.

This time Mu Yuan did not use the time-traveling talisman, at least not for the time being.

The upgrade of criminal psychological profiling technology to the master level has greatly improved Mu Yuan's criminal behavior reasoning. He wants to verify the theory in his mind in practice, which is also a way of self-improvement.

Of course, Mu Yuan did not look at anyone blindly. He also systematically explained to Cheng Bin and Lin Qing what he saw and thought.

Perhaps some other skills, such as master-level scent identification technology, cannot be learned by others, but criminal psychology profiling technology can still be understood.

The analysis and explanation of actual cases is much better than simply reading a book, and it will also help Cheng Bin and others improve their investigative abilities.

This is also consistent with Mu Yuan's original idea. It can cultivate a group of smart and capable subordinates, which will not only help combat illegal and criminal activities, but also help to obtain his own chivalrous value.

During this process, Cheng Bin was fascinated by what he heard, and some of the theories made him suddenly enlightened.

In fact, there are things about psychology that may seem very mysterious to those who have never been exposed to them, but once they are explained, they will feel so transparent.

Especially an experienced criminal investigator like Cheng Bin, who has been exposed to countless cases before, is even more transparent.

Lin Qing's situation is a little worse, she is a newbie, so that's understandable.

Mu Yuan didn't force this either.

Anyway, how much others can learn from what you teach is their business.

After going around in a circle, they stopped at more than ten places, analyzing the fence situation, surrounding environment, monitoring layout, etc. of each place. Finally, Mu Yuan stopped at a fence near the street.

At the foot of the outer wall of this section is a green lawn about four meters wide. Now in early summer, this kind of lawn often has people sitting or wading in it to enjoy the shade at night.

Beyond the lawn is the sidewalk, and beyond that is the road.

There are surveillance cameras on both sides of this road, even at the forks where the sidewalks extend to both sides.

By looking at the angle of the surveillance probe, it can be determined that the surveillance picture does not completely cover this section of the road, and this was also confirmed by Fan Yitong.

Of course, similar situations are not unique around the community. The reason why Mu Yuan pays most attention to this area is naturally due to a combination of various reasons.

"First of all, we can determine that the suspect must have arrived at the scene by car."

"In today's cities, it is unrealistic for a car to drive to remote places without being noticed. Although many people subconsciously think so, it is actually the opposite. If you want to truly hide it, drive towards the car.

The best choice is to run on roads with heavy traffic. This is also the principle of hiding from the city."

"Obviously, this avenue meets such standards. Even in the entire Xihua City, the traffic volume of this avenue is ranked high."

This was just a piece of evidence for what Mu Yuan said. What really made him focus here was the most important reason - the wall.

This is a Western classical style fence, gray and white.

The fence is a serious fence, but there are some inconspicuous marks on it.

Mu Yuan discovered this after careful observation.

Even in a high-end community, a wall like this cannot be wiped down regularly. After all, it is thousands of meters long...

Therefore, it is inevitable that there is dust on it.

But because of the color of the wall, the marks on it look very inconspicuous.

For a normal criminal investigation technician, it would be difficult to detect the traces unless you carefully observe inch by inch.

Ke Muyuan is different. Don't forget that he just got an expert-level skill upgrade card, and now his trace inspection technology has reached the expert level.

At this level, although it cannot be said that the eyesight is like a god, and the inspection and discovery of all traces is as powerful as the master-level fingerprint observation technology, it is still easy to find the marks formed by directly destroying the dust surface.

"Looking at the traces, it's obvious that he climbed over the top edge of the wall with two hands. Judging from the traces, there should be two suspects."

Not to mention Cheng Bin, even Lin Qing could tell that these were the traces left by two people climbing.

"From the comparison of the dust covering the traces, it can be determined that the wall-climbing behavior occurred within ten days, which is basically consistent with the time of the crime. As long as nothing unexpected happens, this is the place where the suspect entered the community."

Cheng Bin's eyes flashed and he asked: "Then what should we do next?"

"Both sides of this street, whether it is the sidewalk or the road, are monitored and blocked. Therefore, the suspect must have left video records when he entered here. Now, we need to find these images and follow the clues."

When Mu Yuan spoke, his tone was filled with confidence.

"Then shall we go back now?" Lin Qing asked.

Mu Yuan said: "Of course!"

…

The process of retrieving the surveillance was very smooth, but it is not an easy task to check the surveillance and find the suspect from the massive video data.

Mu Yuan estimated that if he was willing to spend time and with his current observation ability, he should have no problem finding the target from the video.

But what Mu Yuan lacked was time, or in other words, he didn't want to spend too much time on one case.

So, he cheated again.

However, because the traces left by the suspect have been found before, it becomes very simple to lock the suspect's passage time, and then calculate the time when the suspect enters and leaves the street, and the target can be found smoothly.

A car, an extremely ordinary car, the kind that would not attract attention even if thrown into a pile of cars.

When the car approached the section of wall with traces, it came to a sudden stop, and then the two people got out of the car very quickly.

The car didn't make any stops, just pumped the gas and drove off.

But the time is evening.

Who would have thought that the suspect would have appeared outside the crime scene in the evening? And after getting off the car, he had been in the blind spot of the surveillance.

And because this street has a large flow of people, these two people have been wandering along this section of the road without anyone noticing.

They waited until late at night before climbing in through the wall.

The whole theft process didn't take too long, which shows that the two people's lock-picking skills are indeed very good - although they are much worse than themselves.

But after they came out, they came out in the same car without wasting any time. They left the scene directly without wasting any time.

Now that the process is clear, it will be easy to look at the monitoring.

As for explaining to others how he determined that this car was a suspect vehicle, would this be a problem for Mu Yuan?

In terms of overall strength in investigating and handling cases, if he is not at the master level now, he is at least at the master level. As for his ability to bullshit, he may not be able to reach the master level, but expert level is still fine.

"Look at this car, do you find anything wrong with it?" Mu Yuan asked, pointing to the black car that passed through the traffic jam in the early morning.

Cheng Bin did not answer immediately, but carefully compared the photos and videos of the car passing through the two intersections.

Lin Qing looked at it for a few seconds and said: "This section of the road is about two hundred meters long. At this speed, there shouldn't be any stops in the middle, right?"

Mu Yuandao: "Don't you think this car is very slow?"

Lin Qing said: "This may be a novice driver."

Cheng Bin suddenly said seriously: "Lin Qing, when handling a case, we cannot find reasons for any suspicious situations we see, but should suspect the worst. Otherwise, the case will not be handled."

"Uh..." Lin Qing seemed to be thinking about the meaning of Cheng Bin's words, "I understand."

Cheng Bin nodded, his eyes still wandering over the two videos. After a while, he suddenly said: "Captain Mu, I can see it!"

"Oh? What did you see?"

"This car deliberately lowered its speed when passing through these two surveillance areas. However, when it was about to leave the surveillance area, the car should have accelerated. I guess they did this to smooth out the damage caused by parking in the middle.

The time difference confuses the judgment of our investigators."

Mu Yuan nodded and said with some emotion: "This is a group of habitual thieves! And they have a very strong sense of anti-reconnaissance."

"Brother Fan, please call up all the passing information of this car that day." Mu Yuan ordered.

Fan Yitong, who was sitting in his seat, immediately executed it.

When a photo was displayed, all four people stared at it with wide eyes.

During this day, the car left more than a hundred pieces of track information.

Looking at the photos one by one, they soon discovered different situations.

"This car has passed this street once in the evening."

"Looking at this photo, there are obviously two people sitting in the back row. This is a photo taken in the afternoon. But look at this photo, it is taken at night and there are no people sitting in the back row."

"Yes! This photo was taken around 5 o'clock in the morning. The people in the back row appeared again, and their clothes were still the same."

Although in most of the photos, it is not possible to see through the front windshield whether there are people sitting in the back row, there are always one or two monitors, and some clues can be seen due to the angle or lighting.
Chapter completed!