Smelling the suspect’s body odor, Xiao Yuyou’s dark eyes sparkled.

The next moment, his expression gradually became solemn.

Because I smelled a strange and familiar smell again.

I would often smell this smell when I was a police officer in my previous life.

Gun oil!

It is familiar to those familiar with firearms.

This kind of thing is also called weapon maintenance oil.

It is a special oil specially developed for the maintenance of standard weapons.

It has three functions: cleaning, lubrication and rust prevention.

How could gun oil appear in an ordinary residential building… Xiao Yu was stunned.

Today’s police will not allow you to carry a gun anywhere you want.

Wearing police guns is only allowed when encountering emergencies, on duty, arrests, performing tasks, etc.

Soldiers, on the other hand, will not appear in the city casually carrying guns.

Ordinary people don’t even know what gun oil is, can they have access to it?

“Check whether there are soldiers, police, military police logistics and other special personnel living in the residential building in front of you.”

Xiao Yu’s face was as cold as ice as he gave the order to the national security personnel on the side.

The little boy quickly took out his cell phone.

Use certain authority to input the information of the residential building in front of you, and investigate the property rights registrant information and spouse information.

The residential building is a small high-rise building, with more than twenty households in one unit. It is very simple to simply check military and police information.

About five minutes.

Xiao Pingtou put down his cell phone and shook his head at Xiao Yu, “No information on the residence of the military police or his partner was found!”

“Something is wrong. ”

Xiao Yu’s expression suddenly changed, “Call Ye Heng over…you watch the door and don’t allow anyone to come in or out!””

“yes! ”

Xiao Pingtou’s eyes flashed and he looked at the property manager, “You can go. ”

The property staff who didn’t know what was going on left the access card and left.

Xiao Yu, who was holding the access card, swiped the unit’s electronic door lock and

unlocked it.

Xiao Yu opened the door and walked in quickly.

As he walked, he smelled Air.

There is still the smell of ‘gun oil’ left in the air.

This also makes Xiao Yu’s face look even more ugly.

It means that it is very likely that a person carrying a gun has entered the residential building or lives here.

Why did Xiao Yu come in alone? , Aren’t you afraid of death?

Shouldn’t you wait for Ye Heng and others to arrive before starting the search?

He is worried, worried that something may happen to someone!

At this time, Xiao Yu’s brain was already boiling and he began to make crazy reasoning.

The body odor of a suspect , confirmed to appear on the door handle of a residential building.

It means that the crime scene cleaner to be investigated is very likely to be the murderer of the family murder case.

The other party cannot have a gun or come into contact with gun oil.

As mentioned before, although the crime scene cleaner is The five special professions of the police.

But they do not have the identity of a police officer, they are very similar to auxiliary police.

So why is there a person who can touch gun oil here?

Is it possible that this person is related to the crime scene cleaner? ?

Assume that the person who owns a gun does not have a gun from the military or police.

Under what circumstances will this gun use gun oil?

Clean, lubricate, and maintain to ensure that there are no problems during the use of the gun.

Use… Xiao Yu’s face was extremely ugly.

This person not only carried guns, but was also ready to use them at any time?

Standing in front of the elevator door smelling the smell of gun oil, Xiao Yu’s muscles tensed.

The system’s capabilities gathered throughout his body.

He took a deep breath and pressed Get off the elevator and press the up button.

Ding, the elevator door is open, and there is no one inside.

But Xiao Yu smells the residual smell of gun oil.

Just when he was about to enter the elevator.

Suddenly.

Xiao Yu stopped and his ears moved.

Beast form: Lang Er.

The residential building in front of him is a small high-rise with nine floors in total.

At this time, Xiao Yu, who has super hearing, heard footsteps in the stairwell.

The footsteps came from at least the seventh or eighth floor, and he was going downstairs.

The seventh floor Or the eighth floor?

Xiao Yu narrowed his eyes.

The seventh floor is the home of the crime scene cleaner he wanted to investigate.

Coincidence?

His super hearing allowed Xiao Yu to hear the other person coming downstairs.

For a normal person, there is no elevator. Bad, and it’s still the seventh floor.

You don’t take the elevator but take the stairs?

Xiao Yu exits the elevator and walks to the stairwell on the side.

When he reaches the entrance of the stairwell, the sensor light turns on instantly.

But Xiao Yu doesn’t want to take the stairs. It was just a test.

He deliberately used a little force to make the footsteps heavier.

In this way, the sound of footsteps could be transmitted to the upper floor.

As a result… the footsteps upstairs disappeared.

No, it can also be said that the person upstairs stopped. He stepped down.

But the sensor lights in the stairwells on the sixth and seventh floors were on. There was

something wrong in his heart… A weird smile appeared on Xiao Yu’s cheeks.

No ghost, why did you stop when you heard someone going upstairs?

Xiao Yu Walking step by step, he went upstairs.

At this time, the sensor lights on the sixth and seventh floors went out.

But there was still no sound of footsteps.

It meant that the person was still at the walking platform in the middle of the sixth floor below the seventh floor.

Xiao Yubang With his heart tightened and his energy concentrated, he reached the second floor.

Then he continued walking towards the third floor.

When he stepped on the third floor jogging platform, he was about to go up to the fourth floor.

Suddenly.

Ding, there was the sound of the elevator opening the door downstairs.

But Xiao Yu didn’t care because there was a national security officer guarding the building.

But…

Xiao Yu’s footsteps towards the fourth floor suddenly stopped and he listened.

I actually heard that the person walking out of the elevator on the first floor did not go to the unit door.

Instead, he walked toward the stairwell.

Xiao Yu:? ? ?

what’s the situation?

Don’t you go out after getting off the elevator on the first floor?

If you forget something, wouldn’t you get back in the elevator?

What are you doing on the stairwell?

The sensor light in the stairwell on the first floor comes on.

at the same time.

The sensor light in the stairwell on the sixth floor came on.

Up and down, the footsteps of two people appeared.

Xiao Yu’s expression froze, and a smile appeared on his cheeks.

laugh!

Unexpectedly, these people are playing very coquettishly. Have they discovered me?

Want to attack me from above and below?

Thinking of this, Xiao Yu’s smile grew wider.

He simply stopped and waited for the people upstairs and downstairs to come over.

The sound of footsteps going up and down the stairs was getting closer.

The sensor lights on the 2nd and 5th floors are on.

Then the lights on the 4th floor came on again.

Sudden.

A figure appeared upstairs and downstairs at the same time, walking towards Xiao Yu.

As his eyes rolled, Xiao Yu saw a man and a woman.

Men go downstairs and women go up.

The man is about 1.7 meters tall and has an ordinary appearance.

The woman is tall, stylishly dressed, and has an Internet-famous face, which can be said to be pretty.

But compared to Ye Qiuchan and Hua Qingwu, who are all-powerful, they are far more than just a tiny bit worse.

If you are an ordinary boy, seeing such a ‘beautiful girl’, you will inevitably look at her a few more times.

And that’s exactly what Xiao Yu is doing now, pretending to be attracted by the woman’s appearance.

At the same time, a man walking down the stairs seemed to pass him by accident.

Sudden.

A cold light lit up beside the man.

Xiao Yu saw a sharp flash of light from the corner of his eye, and a dagger appeared in front of him.

The sharp edge flowing on the blade stung his eyes…


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