Attending ex-girlfriend's wedding, arresting the groom's officer on the spot

Chapter 78 Think carefully about the fearful reasoning
It is far away from the village, and the ravine is even more inaccessible. It is unlikely that the other party will leave the ravine on foot after abandoning the car.

Most likely drive or ride away.

Since it is a car ride, the vehicle will leave driving marks, and Lu Chuan hopes to find tire marks.

All work is proceeding in an orderly manner.

When Lu Chuan and others surveyed the scene, the traffic police started to check the surrounding road monitoring centered on the valley.

Yuan Shaokang did not rush over, but was in the high-tech zone criminal police brigade, investigating all major cases that Song Kun took over.

Of course, petty theft is not counted, at least it is the level of sending people in.

06:30 in the afternoon.

Lu Chuan returned to the ravine where the vehicle was burned. At this time, the frame had cooled down and all the debris had been collected.

"It is estimated that the spot survey will not be done today."

The sky began to darken, and the conditions for outdoor surveys were no longer met.

Even with lights on, there will be shadows.

In the survey regulations, the survey results under such conditions are not recognized.

Looking at the sky, Liu Guodong shook his head: "We'll come back tomorrow morning, Xiao Lu, what did you find?"

Lu Chuan nodded: "There are some discoveries, more than a dozen sets of footprints and tire marks."

"The footprints are better and clearer, but the tire marks are worse. I collected four sets of tire marks on it, which need to be analyzed and identified."

Tire marks on asphalt roads are relatively easy to collect from the perspective of field survey.

But the road is not for criminals, there are many vehicles passing by.

Lu Chuan collected four sets of tire marks, all left by different vehicles.

It is unknown which car the suspect was in, or whether he was in a car.

On-site work had to be suspended because the sky had darkened.

But that doesn't mean everyone can rest.

A criminal policeman who was about to retire was deliberately killed by someone who faked the scene of a car accident, and the consequences were beyond anyone's imagination.

The police itself is a high-risk industry, and no one can guarantee that they will be able to work until retirement.

It is the Haizhou Criminal Investigation Detachment, and every year there are one or two who lie down and get first-class merit.

This is a reality, and every cop has to face it.

Among all the police, criminal police and anti-drug police have the highest probability of lying down.

This is why these types of police occupy the top position in the chain of contempt in the police industry.

Because, this is what they worked hard for.

Song Kun was killed, and the nature was even worse.

There are still three months before retirement, and Song Kun will be able to retire.

Three months!
Just three months!

If this case is not solved, the hearts of the public security system in Haizhou will soon be scattered.

The entire criminal investigation detachment was brightly lit, and everyone could experience the atmosphere of tension to the bottom of their hearts and depression to their bones.

Not only the criminal investigation detachment, but also the traffic police detachment was not idle.

With the ravine as the center, all vehicles within a radius of ten kilometers are being registered.

As long as there are vehicles that meet that time point, all vehicles must be checked.

This is an enormous workload.

However, based on the time when the vehicle involved in the accident caught fire, if the murderer had left by car before Li Kai and the others arrived, the time difference would be enough for him to leave Haizhou.

It is even possible to reach Tianzhou.

Therefore, ten kilometers sounds like a large range, but it is actually only a small part of the theoretical investigation.

The reason why the traffic police detachment demarcated this area is because there are only so many people.

Current survey laboratory.

Lu Chuan is studying the footprints collected at the scene.

Lao Bai and Yang Sen have collected the footprints of all the police officers who have been to the scene today.

Now, Lu Chuan first needs to eliminate the footprints.

Although Liu Guodong, Yang Sen, and Bai Wenhai did not have any research on footprint analysis, they still have no problem with ordinary identification.

"This is Li Kai's shoe print... this pattern... belongs to the short traffic policeman..."

It is not difficult to distinguish. There is a comparison of target footprints. You only need to distinguish them according to the pattern of the texture.

In the end, only two sets of unfamiliar footprints were left in Lu Chuan's hands.

On the backlit panel, photos of two sets of footprints hang.

"There were two murderers?"

Liu Guodong folded his arms, his brows were furrowed tightly, and the deep forehead lines could pinch mosquitoes to death: "Did someone respond or was it a coincidence that someone left footprints in the ravine?"

Lao Bai shook his head: "The possibility of responding is high."

Yang Sen also echoed: "The clarity of the two sets of footprints is similar. The ravine where the murderer abandoned the car is inaccessible. It is unlikely that someone entered by coincidence."

"Also, it had just rained four days ago, but neither set of footprints showed signs of water."

Footprints left on the soil generally do not disappear quickly in the rain, unless it is a heavy rainstorm.

But after being washed by rain, the footprints will become round and smooth.

This difference, how to describe it, is a girl who has not been out of the cabinet, without human affairs.

The other is a plump and smooth young woman, who is round and plump everywhere.

"Let's analyze first, the other party is most likely to be two people."

Liu Guodong and others had already discussed it when they were distinguishing footprints.

The murderer faked the scene of the car accident, and after the hit-and-run, he drove the car into a ravine and burned it.

This is definitely not a temporary idea, but has been planned long ago.

Since the murderer left the ravine, since the probability of walking is small and the probability of taking a car is high, it means that there should be another person to meet him.

Of course, the murderer parked the corresponding car by the side of the ravine alone, and then went to drive the stolen car to kill Song Kun, and then returned to the ravine to abandon the car and set fire to it.

It is not impossible to leave in the car I prepared in advance.

Reasoning is something that all criminal police officers like to do.

What Liu Guodong and others can think of, there is no reason why Ren Qiang and the others can't think of what they are investigating on the front line.

Moreover, their analysis must be deeper than that of Liu Guodong and the others, and there are more possibilities for reasoning.

For example, the murderer was neither a single person nor a pair of people.

Is it possible for three people?
Of course there are.

Who stipulated that when Song Kun was killed, there was only one person in the vehicle?

And if there is really not only one person in the process of committing the crime.

Behind Song Kun's death, it was really not that simple.

It is possible for a person to kill Song Kun because of hatred.

What about two people?

Even the three of them have feuds with Song Kun?
Or did Song Kun gather all the people he had arrested over the years and plan to take revenge on him?
Some things are horrifying to think about.

It's just that these things are what Ren Qiang, Yuan Shaokang and other front-line investigators are worried about.

What Lu Chuan has to do now is to identify and analyze the two sets of shoe prints.

And it must be completed in the shortest possible time. There will be more difficult tasks waiting for him tomorrow.

In the laboratory, Liu Guodong and others are now helping Lu Chuan.

Of course, to be honest, the three of them would not do anything, they just watched Lu Chuan for analysis with an enamel jar.

Measure the length of footprints, the width of different points, the data between lines, and the width of edges.

Then there are a bunch of formula calculations.

Clap clap clap!

Lu Chuan's finger on the calculator was very rhythmic and his voice was dense.

Then one conclusion after another appeared on the straw paper.

28:[-] p.m.

Lu Chuan took a deep breath of Huazi: "It's finally done."

(End of this chapter)