The captain’s office.

Xiao Yu felt that there were some secrets that could not be hidden.

For example, with a gun.

So we have to let the two leaders of the brigade know.

Otherwise, something could easily happen.

What he didn’t expect was that the two leaders were frightened.

Zhou Xiangguo and He Yong were staring at the subordinates in front of them with dumbfounded eyes.

He looked at the gun permit in Xiao Yu’s hand and the gun under his arm.

Ordinary police officers are not allowed to wear police guns when they are not on duty, enforcing the law, or performing tasks.

Even criminal investigation police officers must keep their police guns in storage when they are not on duty and are prohibited from taking them out.

Only anti-narcotics police officers and serious criminal investigators are allowed to carry police guns 24 hours a day, even when they pee.

As a police officer who had only been on the police force for a month, he not only took out his gun license, but also his sidearm.

Surprised or not, surprised or surprised, confused or confused?

Zhou Xiangguo and He Yong were not only confused, but their mentality exploded.

After they saw Xiao Yu’s national security gun license.

He didn’t even fart, and he didn’t ask any questions.

Because it’s classified!

“Let me tell you, what’s your situation now?”

Zhou Xiangguo took a deep breath and looked directly at Xiao Yu。

“That’s right, wearing two hats. ”

Xiao Yu lowered his voice, “It’s not convenient to say the other identity. ”

The expressions of Zhou Xiangguo and He Yong suddenly changed, and they gasped.

Is it inconvenient to say?

Even if you are a national security police officer, there is no inconvenience.

So what kind of identity would it be inconvenient?

They are all veteran criminal investigators.

They know the national security police very well. There are not only national security police inside, but also other professions.

Some very scary professions!

“Look, it’s the same as what I said.

He Yong smiled bitterly at his team leader and said, “Our pond is too small, there is no room for it. ” ”

Zhou Xiangguo sighed.

They all knew that Xiao Yu’s criminal investigation ability was too strong and the Third Brigade could not retain people.

Although they knew that this day would come sooner or later, they did not expect it to come so soon.。

“I am still a policeman and a member of our third brigade. ”

Xiao Yu said with a smile, “If nothing happens, I won’t leave. ”

Zhou Xiangguo and He Yong looked surprised.

Before they could say anything more,

suddenly,

the office door was quickly pushed open.。

“Boss, something happened!”

……

Chaoyang District.

Phoenix City Phase IV residential community, a high-rise residential building.

1 hour ago.

Someone called the police and reported a gas explosion on the seventh floor of the residential building.

The police station quickly dispatched fire and police forces in the area…

This community happened to be the area under the jurisdiction of the third brigade.

A squadron rushed to the scene to investigate.

The result…an anomaly was discovered!

The explosion scene was in a mess, with almost all doors and windows broken except for the security door.

Most of the indoor furniture and appliances were blown up.

Two deceased persons, a man and a woman, were also found at the scene.

Deceased: Niu Xiangwen, male, 43 years old, owner of a foreign trade wine company…

Deceased: Yu Panlan, female, 42 years old, housewife…

The two deceased were husband and wife.

Based on site surveys and interviews with neighbors.

Yesterday evening, neighbors had already smelled a gas leak, and the smell was very strong.

At that time, the neighbor thought there was a gas smell coming from outside and didn’t pay much attention.

When the forensic doctor arrived to conduct an on-site autopsy, he discovered abnormalities.

The inspection report concluded that the two deceased persons died of carbon monoxide poisoning (natural gas poisoning).

However, the forensic doctor found a substance containin

g isoflurane from the body of the deceased.

What is isoflurane?

This is an inhaled anesthetic drug.

It can achieve general anesthesia after inhalation and is generally suitable for large-scale operations in hospitals.

Upon discovering such a major anomaly, the on-site criminal police immediately reported it to the brigade and awaited further instructions.

Captain Zhou Xiangguo brought Xiao Yu to the scene.

At this time, the forensic doctor is bagging the remains of the two deceased people and bringing them back to the identification center for further autopsy.。

“Died of gas poisoning, isoflurane was found in the body, but the end result was a gas explosion? ”

Zhou Xiangguo frowned and analyzed for a long time without any clue.

Suddenly,

he found Xiao Yu squatting in front of the blown-up gas stove. He

was holding a half-broken, palm-sized instrument with his gloved hand.

Gas. Alarm!

This kind of thing can detect the gas concentration in the air, and if it is found to exceed the standard, it will immediately sound an alarm to remind you of a gas leak.

Now every household has one, especially in big cities, almost all gas companies install it for residents free of charge.

Every year Once or twice, he regularly checked whether there were any hidden dangers in the gas, and checked whether the gas alarm was working properly. When he

saw the gas alarm, Zhou Xiangguo was stunned for a moment, and his eyes lit up in an instant.

After the explosion, his subordinates had already visited the neighbors.

The neighbor said, Did you smell gas last night?

In that case.

Then the gas alarm should have been sounding at that time, right?

Zhou Xiangguo looked at the kitchen seat and then at the entrance door.

They were not far apart.

If the alarm was ringing at that time , wouldn’t the neighbors passing by outside hear it?

The neighbors only smelled the gas, but did not say there was an alarm sound.

It can only mean that the gas alarm did not sound the alarm at that time!

Awesome… Zhou Xiangguo had a complicated expression, and he slowly stood up while staring. Xiao Yu.

When people arrived at the scene, they discovered such a big clue as soon as possible.

On the contrary, the criminal police who first arrived at the scene did not find this clue.

Even he did not think of it unless he saw the gas alarm.

Xiao Yu But you can find it, isn’t it awesome?

Then, Xiao Yu’s next operation

shocked Zhou Xiangguo again.

I saw Xiao Yu starting to search on the ground.

After searching for a full six minutes, he picked up the A stainless steel clamp for a gas pipe.

This clamp is used when the gas pipe is plugged into the valve joint under the gas stove.

It is used to tightly connect, tighten, and seal to prevent gas leakage.

At this time, Xiao Yuzheng put it in front of his eyes. Observe a little, “The distance is wrong, someone has moved it!” ”

While speaking, he looked at the gas stove on the ground and the valve connector on it.

Then he slowly put the clamp on the connector.

It was obvious that the distance between the clamp and the connector was too large.

Even if the gas pipe was put on , the stainless steel clamp is not in a tightened state.

What is the result of not tightening?

Gas leakage!

As mentioned before.

Every year, the gas company will have specialized personnel to come to inspect and troubleshoot.

Therefore, there may be a gas valve clamp , is it not a case of tightening?

“The order should be……”

Xiao Yu stood up and looked at Zhou Xiangguo, “The victim was first anesthetized and comatose with isoflurane, then poisoned by gas, and finally, the gas exploded.” It

was not a natural death or an accidental death, but a homicide!

It took less than ten minutes for Xiao Yu to arrive at the scene.

The general process of committing the murder has been deduced.

Including Zhou Xiangguo, the criminal police officers present were all numb.

Everyone opened their eyes and opened their mouths.

His face was full of disbelief.

This kind of criminal investigation ability seems a bit too scary!


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