Chapter 243: Reconstructing the Secret Chamber Murder

The only decoration in the red brick house, the bookcase, was moved!

Moreover, after it was moved, it was restored again.

Why?

"Zhao Bing," Chen Yan pointed to the holes in the four corners of the bookcase: "Measure the distance between these holes and the size of the wooden door."

Ten minutes later.

Zhao Bing and several detectives finished the measurement.

The distance between the four holes in the bookcase is 2 meters up and down, and 1.5 meters left and right.

The size of the wooden door is 1.8 meters up and down, and 1.3 meters left and right!

Holding the measurement data, Chen Yan frowned, and pictures kept flashing in his mind.

Hu Xueying and others knew that Chen Yan was analyzing and thinking about clues, and no one came forward to disturb him.

The investigation of the closed room murder case by the Yinglu City Detective Team mainly focused on how the murderer killed people.

The investigation of Yu Huihui, Tang Muqi and others was not as in-depth as after Chen Yan arrived.

After Chen Yan came, he obviously put more energy on investigating the relationship between the people involved in the case.

In two days, a lot of results have been achieved.

However, it is not much help in solving the case at present.

But now, Chen Yan made a major discovery during his second on-site inspection.

Hu Xueying and others did not let go of the bookcase.

They also conducted an inspection at that time.

Hu Xueying and others had already compared the dust and scratches on it in detail, and they were left by Yu Huihui, Tang Muqi and others.

The traces can match, and the confessions of Yu Huihui and Tang Muqi can also match.

And in line with the principle of protecting the scene, Hu Xueying and others did not dismantle the bookcase.

Of course, it would be useless to dismantle it, just a few wooden boards.

The wall on the back was also checked from the outside of the wall, and there was no problem.

The same red brick structure, no signs of damage.

But now, after removing the bookcase, there is a problem with the mortise and tenon structure on the back.

There are signs of fracture in the four holes in the middle of the wooden mortise and tenon.

Why?

Chen Yan was obviously conducting a reasoning verification.

In the red brick house, several people dared not breathe, for fear of interrupting Chen Yan's train of thought.

And Chen Yan was indeed thinking at a high speed.

The bookcase was mentioned in the confessions of Yu Huihui and Tang Muqi.

These two people, together with the deceased Duan Zhongxin, began to feel around the surrounding walls after waking up for the first time.

Everyone touched the bookcase and the wooden door.

"We moved the bookcase, but the cabinet was firmly embedded and did not move."

These were Yu Huihui's original words.

"We fumbled for a long time, and the wooden door was very tight and could not be opened at all."

"Duan Zhongxin was quite sober at the time and knocked on it several times, but the wooden door did not move at all."

"Later, Duan Zhongxin said that he was worried that someone outside would come in and harm them, so he used a bolt to plug the wooden door."

"Yu Huihui and I have checked, and there must be no problem with the bolt..."

Tang Muqi's confession is basically consistent with Yu Huihui's.

That night, when the three woke up for the first time, the first thing they did was to urgently look for an exit.

According to Yu Huihui and Tang Muqi, the three of them fumbled through the entire red brick house.

The bookcase could not be moved.

The wooden door could not be knocked open.

The three struggled for a long time, and in order to prevent someone from coming in to persecute them, they locked the wooden door with a bolt.

Afterwards, due to physical exhaustion and the effect of the drug, the three fainted again.

When they woke up again, they were awakened and rescued by the sound of the detective knocking on the door.

That was the morning of the 28th.

However, at that time, Duan Zhongxin had already been killed.

However, there are two problems here.

First, why can't the bookcase be moved?

Chen Yan just took down the bookcase with Zhao Bing and Hu Xueying without much effort.

But the three people who were eager to escape could not move the bookcase at that time.

There is also the wooden door.

The wooden door of the red brick house is relatively old, and it is estimated that it has a history of at least ten years.

However, after the three people found the wooden door, they couldn't push it, or even didn't move at all.

This is not in line with common sense.

Because of the long time, the wooden door has been in disrepair for a long time. Although it is still strong, it is no longer airtight.

The door is closed, and the gap in the middle is large.

In the video of the day of the crime, it can be clearly seen that even if the door is wrapped with wire, a certain gap can be pushed open.

But why did Yu Huihui and Tang Muqi say that the door did not move at all when it was hit?

A bold idea gradually formed in Chen Yan's mind.

The murderer's target is undoubtedly only Duan Zhongxin.

But why did they also arrest Yu Huihui and Tang Muqi?

Originally, Chen Yan also speculated that Yu Huihui and Tang Muqi themselves were thieves crying "catch thieves".

But from another perspective, these two people may be deliberately arrested by the murderer to confuse the detective's sight.

What they saw and heard is itself part of the closed room murder case.

What if, Chen Yan thought, the person who was in the red brick house with Yu Huihui and Tang Muqi at the time was not the victim Duan Zhongxin, but the murderer?

Then, when the two were unconscious for the second time, the murderer pulled the bolt, opened the wooden door, and then moved the real Duan Zhongxin into the closed room, killed Duan Zhongxin, and then wrapped the closed room with wire outside after he left.

Create the illusion of a murder in a closed room.

Is this possible?

Shit!

Of course!

And it's not just that.

Contacting the whole process of the case, Chen Yan's reasoning became clearer.

Chen Yan had contact with both Yu Huihui and Tang Muqi.

He had learned about the two people's situation in the secret room in detail.

Especially the state of the two after the second coma.

"I didn't feel anything at the time, but... I just felt like someone touched my leg..."

These were Yu Huihui's original words at the time.

However, Yu Huihui herself was not sure.

"After the second coma, my head hurt a lot."

"Vaguely, it seemed that there was light and shadow shaking in front of my eyes, and I heard some sounds."

"But soon I lost all my consciousness."

These words, Chen Yan thought at the time were just hallucinations caused by Yu Huihui under the influence of drugs.

However, now it seems that Yu Huihui should have felt some external information at the time.

It's just that the memory is vague and can't be recalled.

"After the second coma, I felt dizzy, as if someone was dragging me, just like falling into the abyss."

Tang Muqi's memories are also vague.

Some words are ambiguous.

However, the descriptions of the two people have many similarities.

Originally, Chen Yan also thought that both of them were affected by drugs.

Hallucinations appeared.

However, now it seems that the two people must have been moved again by others after the second coma.

So, one felt dragged, and the other felt someone touching his leg.

"Captain Hu, summon Yu Huihui and Tang Muqi immediately!"

"Yes!"

Half an hour later.

Interrogation room of Yinglu City Detective Team.

Yu Huihui.

"Miss Yu, do you still remember some details when you were just rescued on the morning of the 28th?"

Details?

"Officer Chen, I was busy shouting for help at the time. I was scared to death and my legs were not working well."

Yu Huihui paused and stroked the broken hair on her forehead: "I definitely remember the general situation, but I definitely didn't pay much attention to the special details."

That's right, and Yu Huihui was still affected by the drug at the time, and her mind was not very clear.

But it doesn't matter, Yu Huihui must have an impression of the details that Chen Yan wants to know.

Otherwise, they would not be able to leave the red brick house.

"Miss Yu, what I want to know is whether the bolt of the wooden door was on the door when you were rescued."

According to the confessions of Yu Huihui and Tang Muqi, Duan Zhongxin proposed to lock the wooden door with a bolt to prevent people from outside from coming in.

Yu Huihui and Tang Muqi also agreed and confirmed it personally.

So, the next morning, when they were rescued, they had to open the bolt of the wooden door before they could go out.

"Of course it was," Yu Huihui answered very affirmatively: "After the wire outside was interrupted, we pulled the bolt open and were rescued."

"Did you pull the bolt open?"

"This..." Yu Huihui was slightly startled: "It seems that Tang Muqi pulled it open."

"I... I was too anxious at the time, and I can't remember this clearly."

Chen Yan nodded and left the interrogation room.

"Of course we opened the bolt, otherwise we couldn't get out."

"Did you open the bolt yourself?"

"This..."

Tang Muqi's expression was exactly the same as Yu Huihui's.

"I don't remember this, it should be Yu Huihui who opened it... I don't remember opening it myself..."

Huh...

Sure enough.

Tang Muqi's words were exactly the same as Yu Huihui's.

Both of them knew that only by opening the bolt could they get out of the red brick house.

But neither of them remembered that they opened it themselves.

They both thought that the other opened the bolt.

Chen Yan watched the video at that time carefully.

After the wooden door was opened, the bolt was hanging on the edge of the bolt buckle.

Haha.

Killing in a closed room, bullshit!

A bolt is the key to all games!