No wonder it left no traces.

What happened!

[Ding! The strongest police training system mission is released. 】

[Detect a suspenseful suicide case. The deadline is five days. Complete the task and you will be rewarded with three cell enhancements. If you fail or exceed the deadline, the task reward will be cancelled. 】

Once the nature of the case is determined, the system issues tasks.

"But how did this person enter Wang Luyao's house, and how did he leave?"

Han Lei has also seen the surveillance video, and there is no doubt about it!

After hearing Han Lei's question, Chen Yan fell silent slightly.

This was also the most doubtful part in his mind.

Chen Yan had discovered a loophole in the method of entering Wang Luyao's home.

It takes 5 minutes for the surveillance video system to restart.

But how did the murderer get out?

After Wang Luyao's mother called the police, but before Zhang Yaoming brought anyone here, Chen Yan responded to all the people who entered the room one by one.

There are 12 property management personnel, not one more person.

It is impossible for the murderer to hide in the room in advance, then blend in with the property staff, and then evacuate. Therefore, Wang Luyao's death time can be determined to be 3 a.m. today.

After this time, the surveillance system was normal. Yan Yan personally watched the video statement in the corridor of Wang Luyao's floor, and no one went out.

So, how did the other party leave?

window?

Not likely either.

At the crime scene, all windows were closed.

Wang Luyao lived on the fourth floor. If the murderer had used a rope, it was still possible to escape through the window.

However, if the other party really escaped through the window, where is the rope?

Why are the windows closed?

Chen Yan has checked the windows in Wang Luyao's home. They are plastic steel windows that were installed during the construction of the community. They cannot be closed from the outside, but can only be closed from the inside.

This is inconsistent with the findings at the scene.

Faced with Han Lei's questions, others had no way to explain.

Because these clues originally showed that Wang Luyao committed suicide.

However, because Wang Luyao suffered too many stab wounds, Zhang Yaoming decided to report the case and ask the crime squad to take over.

"Team Leader Chen, was this a secret room murder?"

Zhang Yaoming can only guess in this direction.

First of all, Wang Luyao’s corpse had unidentified body spots on it, which definitely did not appear for no reason.

This clue can determine that someone must have been with Wang Luyao before she died.

Of course, we can't say now that the person with her is definitely the murderer.

This will depend on subsequent evidence.

However, judging from the logic of handling the case and the number of wounds on Wang Luyao's body, this person should be the murderer.

After all, even if a normal person commits suicide, he would not stab himself more than 30 times.

In particular, many stab wounds are not fatal injuries but exploratory stab wounds.

As an adult, it is impossible for Wang Luyao not to know where the fatal wounds are, and to cut so many knives on her arms and thighs is not so much suicide as torture.

.2ksk.

However, the doors and windows of Wang Luyao's home were closed, and the camera in the corridor at the door was always on. The time of Wang Luyao's death was 3 a.m. this morning, and it was determined that no one came in or out after that.

And the windows can only be locked from indoors. What is this if not secret room murder?

Chen Yan frowned.

Chen Yan agrees with Zhang Yaoming's judgment.

However, Chen Yan has never been exposed to so-called secret room murders.

From a scientific point of view, there is no such thing as secret room murder in this world.

The so-called secret room murder is nothing more than two possibilities.

First, before the secret room is formed, the people in the secret room are already dead.

second,

Third, the simplest example of this situation is fake suicide, for example, the victim is given chronic lethal drugs in advance, and the victim dies in the secret room only after the secret room is formed by the victim himself, forming the so-called secret room murder.

fourth,

In fact, strictly speaking, this situation means that the victim is already destined to die before entering the secret room. It's just that the time is delayed.

Fifth, it is a secret room formed by the murderer using some loopholes after death.

sixth,

Seventh, for example, the secret room murder case that Chen Yan solved last time was a so-called secret room, but the furniture in the secret room was used to block the exit.

eighth,

Let the victim mistakenly believe that a secret room has been formed.

The scene where Wang Luyao was killed obviously could not be the first one.

Because there were traces of other people's presence at the scene.

The special corpse spots on Wang Luyao's body are proof of this.

So, how did the other party achieve the second type of secret room murder?

"In this way," Chen Yan decided to temporarily arrange other work after a while. This is how solving a case is. Not every clue can be solved, and not all questions can be answered at the beginning. "Now, according to the secrets behind Wang Luyao and

The special spots on her legs indicate that there were other people around Wang Luyao when she died."

"Although we have not yet found out how this person entered and left Wang Luyao's house."

"However, finding this person is undoubtedly the key to solving the case."

"Team Zhang," Chen Yan looked at Zhang Yaoming: "As for Wang Luyao's identity background investigation, our Dan City Detective Team is responsible for it."

"Telephone call records, WeChat chat records, colleague relationships, bank statements, etc., the more detailed the information about Wang Luyao, the better."

"yes!"

"Second, we need to investigate all surveillance videos in Wang Luyao's community."

Chen Yan looked at Liu Qingshan: "Liu Captain, you are responsible for this matter."

"The door lock of Wang Luyao's house shows no signs of damage, so there are only two ways for the other party to enter Wang Luyao's house."

"Either this person used a key to open the door of Wang Luyao's house, or he entered Wang Luyao's house through the window."

"Judging from the current situation, only Wang Luyao's husband and Wang Luyao's parents have the keys to her home."

"Judging from the current clues, these people have no time to commit crimes, so who can have access to the key to Wang Luyao's house?"

"Check whether there are any records of lock changes and property maintenance records in Wang Luyao's home."

Under normal circumstances, it is impossible for an acquaintance to have a home key. No matter how good the relationship is, the home key will not be given to others.

Therefore, there is a high probability that the other party came into contact with Wang Luyao's house key due to work reasons.

"On the other hand, if the other party enters and exits through the window, it is likely to leave clues. Check the window to see if there are any traces of climbing, and see if there is any surveillance record."

"yes!"

"in addition"

Chen Yan thought for a moment and looked at Zhang Yaoming: "I will personally go meet Wang Luyao's husband."

The first case analysis meeting is over.

Dan City Detective Team No. 1

.2ksk.

Interrogation room.

Chen Yan met Wang Luyao's husband Zhao Guang.

Zhao Guang, who was sitting opposite Chen Yan, looked a little dazed, his eyes were bloodshot, and he looked unusually tired. "Officer, it's impossible for my wife to commit suicide. You must find out how she could commit suicide!" Before Chen Yan could speak, Zhao Guang spoke first.

say.

"Mr. Zhao, please forgive me. You said that Ms. Wang Luyao could not commit suicide. What evidence do you have or why are you so sure that she will not commit suicide?"
Chapter completed!