I'm A Police Officer, Why Do I Have All These Abnormal Skills?

Why was the aluminum powder not burned during the gas explosion?

At this time,

Xiao Yu was standing in front of a household appliance and almost laughed out loud.

In winter, Beijing is generally very dry.

When the room is dry, people tend to feel uncomfortable.

Most people have a humidifier in their home.

The electrical appliance in front of Xiao Yu was a humidifier.

The kind of humidifier that can be used for a day by adding water once.

It is true that aluminum powder can aid combustion.

But the problem is that aluminum powder needs to be burned in a dry environment.

Aluminum powder supports combustion reaction and needs to be in a humidity environment of 0-10%.

As long as the humidifier is working, the humidity must be at least 40% to 60%.

This is the most comfortable humidity environment for the human body.

So as long as the humidifier always works, even if the gas explodes.

How can aluminum powder support combustion if it is exposed to excessive humidity?

Xiao Yu’s eyes slowly closed.

The brain is boiling and spinning.

Reasoning about the murderer’s crime process.

Final summary…

anesthesia induces confusion, gas poisoning kills, timed detonation, and aluminum powder destroys traces!

If all the murderer’s plans are completed.

The bodies were probably burned to ashes.

Anesthetics and poisoning cannot be detected in an autopsy at all.

The police would only mistake it for a gas explosion that caused the body to be destroyed.

Slowly opening his eyes, Xiao Yu’s face gradually became serious.

It’s a pity that the murderer made a mistake in the last step.

All previous efforts are wasted!

Even if it didn’t work, it was scary enough.

What kind of person does it take to possess such a means of killing?

“The surveillance has been retrieved.”

A criminal policeman came over. “The community surveillance, corridor surveillance, and Skynet surveillance have all found no suspicious persons.”

Xiao Yu:? ? ?

Are you kidding me?

Since there is surveillance even in the corridor, the murderer will definitely be discovered if he enters the victim’s home.

Even if you enter through the window, there is community surveillance.

And as long as the murderer enters the community, his movement route will inevitably be captured by Skynet surveillance outside.

Are you telling me that the suspect was not found?

The criminal policeman handed over the tablet, and Xiao Yu started watching the surveillance video.

The victim’s home is on the seventh floor, and each unit has three households on the first floor.

Monitoring is installed in the corridors of each unit on each floor.

Community surveillance video is saved for 14 days.

Through video survey, the first 13 days of 14 days.

The two victims’ daily life and activities were normal.

But it started at noon yesterday.

After the two victims returned home, they never left the house again.

Through surveillance, it can also be found that in addition to neighbors passing by the victim’s home yesterday.

There are no longer any suspicious persons, not even couriers, takeaways, etc., entering or exiting the corridor.

Through surveillance video, no one was found to have entered the victim’s home.。

“It’s a bit naughty to play. ”

Seeing this, Xiao Yu became energetic.

Since the murderer did not take the ‘main entrance’, he could only enter from the outside.

Window?

Then he called out the surveillance in the community.

Because the residential building is a high-rise building, the property management of the community is in order to prevent The owner throws objects at high altitude.

Surveillance cameras will be installed downstairs to monitor the outside of the residential building and the front and rear exterior walls.

Assuming that someone throws objects or climbs on the outer walls, they will be monitored and filmed.

However, there is still nothing abnormal in the 14-day surveillance video. .

No suspects were found who climbed the outer wall and entered the victim’s home.

This means that the murderer did not enter through the window!

“It was really a show. Xiao

Yu laughed silently, “Do you really think I can’t find you?” ”

Subsequently, the city skynet surveillance outsi

de the community was called up.

Because it is a high-end community,

there are only four entrances to the community.

And there are guard booths at each entrance.

There are security guards guarding them 24 hours a day.

Owners need to use access cards when they go home. The vehicles are electronically identified, making it almost impossible for outsiders to enter. If

couriers and delivery people want to enter, they need to be notified by the security guard to confirm with the owner before they are released.

Therefore, if the murderer wants to enter this community, he must use ‘unconventional’ methods.

Or…

does he live in this community?

“It shouldn’t be possible. ”

Xiao Yu rejected this idea.

As mentioned before, any property in this community costs tens of millions.

People who can own this kind of property in the capital will hardly rent it out.

Because the rent can be as low as tens of thousands. A month, up to hundreds of thousands a month.

Ordinary people can’t afford to rent. If they are rich, can they just buy it?

“What if this murderer is not a rich person. ”

Xiao Yu looked around the community, “How did he get in, and how could he enter the victim’s home quietly and without leaving any traces? ”

Pah!

” He slapped his forehead, laughed and scolded, “MDZZ, look for it from the scene.” ”

Locard’s law of material exchange tells us.

As long as someone commits a crime, there will be traces at the scene!

……

Seventh floor, crime scene.

Xiao Yu once again conducted a comprehensive survey.

However, this time it was not about surveying the scene for traces.

Rather, it is to investigate how the murderer entered the victim’s home.

The corridors and corridors are monitored, and there is no trace of the video being falsified.

It shows that the murderer never entered the victim’s home through the corridor.

There is community surveillance outside the building.

If the murderer had entered through the front and rear windows, he would have been caught on camera.

So it’s not the front or rear windows either.

So, where else could one enter the victim’s home?

have!

At this time, Xiao Yu was standing in the bathroom, looking at a window.

One 40cm x 40cm exhaust window.

The victim’s home is located on the side of the building.

The exhaust window also happens to appear on the side wall of the residential building.

Outside the side wall of the building, there is no surveillance camera in the community.

Because objects are thrown from high altitudes, there is a very small chance that things will be thrown from places like the bathroom.

Therefore, there is no surveillance installed on the property.

Xiao Yu stared at the exhaust window in front of him, which was in a closed state.

There is no way to open this kind of window from the outside.

If he entered from here, how did the murderer lock the window after leaving?

Through the ‘Eagle Eye’ perspective, clues were quickly discovered.

Xiao Yu’s eyes stared at the plastic steel window frame.

I saw a small ‘polka dot’.

If you don’t look carefully, this dot is exactly the same color as the window frame, both white.

Xiao Yu asked the detective to bring tweezers and carefully picked out the small dot.

As a result, a small round hole was dug out.

A small round hole similar to a 3.5 headphone jack。

“My brother is awesome. ”

Xiao Yu stared at the small hole and sneered.

He found that the hole should be drilled through with a drill and penetrated the entire window frame.

What is the use of this hole?

In his previous life, Xiao Yu caught many burglars.

In one case, The thief drills holes in the plastic steel window.

He stretches the steel wire into the window and unlocks it.

After the theft is completed, he can also use the steel wire to close the window and lock.

Use milky white glass glue to seal the drilled hole.

Make sure that no holes are left behind. Traces!

After catching this thief, even the police were convinced.

Xiao Yu did not expect that

he would relive his life and once again encounter someone using this method to break into the house.

I admit that you are playing very coquettishly, but it is useless… Xiao Yu sneered.

I’m here to fuck you!