My brain went blank for I don't know how long, but when I came back to my senses, Officer Hu had already sent someone to cordon off the scene and start various investigations.

There are two keys in this room, one is placed at the doorman on the first floor, and the doorman said that no one has borrowed the room key of 807 before us, and the other key is in the room, and the whole room has become a secret room.

The successive murders had already made Officer Hu furious, yelling at the officers of the identification department

"Listen to me! I don't care how busy you are, anyway, put this case in the first place! If you test me like that paper cup for another day, I won't be able to eat and walk around. ”

The officer was trembling with fright, but he just kept nodding

"Yes, yes, yes—" and then took his things and left.

I keenly heard the word "paper cup" and walked over and asked

"Officer Hu, is the test report of the paper cup out?"

Officer Hu looked at the police officers who walked away, sighed helplessly, and gave me the test report

"Come out, you're right, there are mango ingredients in it, it was indeed a paper cup from the day before, and the murderer was indeed Yang Bauhinia."

I looked at the test report, for a moment, there was a trace of joy in my heart, or a sense of accomplishment, followed by a chill, Yang Bauhinia in order to kill, I really didn't expect that it could be calculated to that point, if it wasn't for the problem of mango, maybe she really got away with it.

I asked again, "Officer Hu, have you found anything?" Suicide or homicide? ”

Officer Hu said

"It is very likely that it was a homicide disguised as a suicide case."

"Why do you say that?"

Officer Hu said as he looked at the inspection report

"The cause of death of the deceased was suffocation, that is, strangulation, and there were no signs of struggle, but the examiners found powder suspected of sleeping drugs in the juice that the deceased had drunk before his death."

"Stun first, then kill?"

Officer Hu shook his head and said

"Whether it is a sleeping pill or not, it still needs a report from the expert examiner, and the deceased has some hair on his hands that does not belong to the deceased, I suspect that it may be the murderer."

I nodded

"In other words, now it depends on the results of the test report..."

"Yes, it's up to these bunnies, I don't know how to do it today, and I'm usually pretty quick to do things."

I suddenly thought of the people at the hotel and asked hurriedly

"What about the people at the hotel? Did you tell them about this? ”

Officer Hu looked at his watch and said

"It's almost 11 o'clock, and they were questioned as criminals in two consecutive murder cases before, but nothing has been investigated, and this time I call them out so late, I won't be complained, the people I arranged have been guarding around the hotel, and they can't run."

It seems that everyone has their own difficulties, Officer Hu seems to be majestic, and there are many constraints when he really does things.

"Officer Hu, there's something new!"

Hearing the new discovery, Officer Hu and I hurriedly ran over, but we were slightly disappointed, "a screw that had been cut off in half", and "a super glue box", Officer Hu and I looked at each other, showing disappointed expressions.

However, every detail of the crime scene may become the key to solving the case, and Officer Hu still instructed the expert to put it away.

"Officer Hu, let's say it was a suicide, then what was the reason for his suicide? Suppose he killed, and who was the murderer? And how did he get out of this secret room? ”

"Yes, Du Ruo's stay in this room today was completely unexpected, there is no possibility of a key in advance, and there is one more thing, you must be surprised when you say it."

"What's the matter?"

"Although the official autopsy report did not come out, based on my years of experience, according to my observation of the stiffness of the body, when we found the body. The time of death does not exceed half an hour. ”

I didn't quite understand what Officer Hu was trying to convey by this, so I asked with some hesitation

"So what? What's so surprising about this? ”

Officer Hu continued

"Just now I asked the people in the hotel to ask the front desk, and the front desk said that no man has left since about 7 o'clock."

"You mean to say?"

"That's right, if your previous reasoning is correct, the murderer is really one of Wu Tong or Ma Yingdan, then this case is not only a closed room homicide, but also a perfect alibi homicide."

Somehow, I remembered the near-perfect technique of killing the jacaranda by Bauhinia, and this repertory troupe once again made me feel intimidated and forced to cheer myself up

"Don't say that, maybe it's the front desk napping, that broken hotel doesn't even have a few surveillance, it's easy to make an alibi, or, this is a suicide case at all, we think too much, right?"

"Perhaps."

Half an hour later, Officer Hu's mobile phone rang, and after answering the call, Officer Hu was still quite happy

"Oh? Is it? You're a diligent kid this time, okay. ”

After Officer Hu hung up the phone, he said to me with a somewhat solemn expression

"The test report came out, and the same hypnotic drugs were detected in the drinks and stomach of the deceased before his death, and the amount was very small, only enough to make an adult fall asleep, so we can believe that the deceased took a small amount of sleeping pills before his death."

There will be no one who takes a small amount of sleeping pills before choosing to hang himself, there are only two possibilities, one is that Du Ruo has difficulty sleeping because of recent events, and took a small amount of sleeping pills to help him sleep, but he was killed by the murderer who sneaked in; Or the murderer put sleeping pills in Du Ruo's juice and killed him after he fell asleep.

Now it seems that the second option is more likely, because no one will put the pill in the juice when they take it. However, no matter which possibility it is, it is very likely that Du Ruo was killed.

In this way, I was completely conflicted, as if I was stuck in an endless loop:

"In the first case, I have found conclusive evidence to prove that the murderer is Yang Bauhinia, for the time being, the second case was a big mess at the beginning, although a reasonable guess was put forward, but there was no evidence to prove that when the third case happened, the previous suspects did not have time to commit the crime, was it suicide? If it's suicide, what about those strange details? Could it be that the murderers in the three cases were three people? The murderer in the third case is not the murderer in the second case? I remember Zhang Fan said that there is a kind of hitchhiking murder, people who have been excluded from suspicion in the previous case will take advantage of this advantage to kill people, impossible, this is a repertory troupe, not a killer troupe, how can everyone want to kill, so to speak, the murderer in the second case and the third case should still be one person, but Wu Tong and Ma Yingdan have no time to commit the third case, so Yang Zijing may not have been killed by Wu Tong or Ma Yingdan? So who is that? ”

Turning over and over, no matter how you think about it, there will be contradictions, I feel like I'm about to go crazy, I don't know how to do it at this time, Su Yong and the others have been chattering and don't know what to discuss, which makes me upset.

At this time, I found that my fingernails didn't know when they were split, and I rubbed them with my teeth, but I didn't expect my action to make Su Yong and the others quiet down, to say that it was an exaggeration, they could be said to be holding their breath.

I looked at them dumbfounded, and they also looked at me expectantly, Guo Hongyi asked

"How? What comes to mind?

"Huh? What the? I just got my fingernails split, what's wrong? ”

When I said that, everyone was disappointed

"What, we thought you had something in mind."

I gave them a blank look and said

"I'll go out and breathe."

"Ah, then you should come back early."

I casually agreed, "Oh." ”

But I thought to myself

"Idiot, it's past 12 o'clock, what do you mean to come back early."

I slowly walked out of the dormitory building, when there was a light rain in the sky, although it was an autumn rain and a cold, I was only wearing short sleeves but did not feel any cold, raised my head, let the rain hit my face, subconsciously hoping that the rain would wash away everything that had happened in the past few days.

"Hey... I'm going to have to call that guy anyway. ”

I let out a long sigh, endured my unwillingness, and made a lot of determination to dial Zhang Fan's number, and the phone rang about 7 or 8 times before Zhang Fan answered the phone

"Hey... Why are you doing it so late? ”

I can tell from his voice that he was woken up by my phone call, but it's right to think about it, it's strange that he hasn't slept so late.

"There's another case on my side."

Hearing me say that there was another case, he seemed to have a little spirit and asked

"Why have you been involved in cases lately, say, what's wrong? Remember, don't miss any detail. ”

I was afraid that he would fall asleep listening to it, so I directly skipped the first case that had been solved, and talked about Yang Bauhinia's case in detail, just like he said, without missing any details, and talked about it for almost ten minutes, and when I finished speaking, there was no sound on the other side.

"Hello? Feed? You're talking, aren't you asleep? ”

Zhang Fan seemed to have been woken up by me again, and hurriedly said

"No, no, listen, listen."

His tone was obviously perfunctory, he must have fallen asleep, I said a little angrily

"Big brother, what kind of plane are you doing, you go wash your face, be refreshed, I'll say it again."

"No, no." Zhang Fan hurriedly stopped, then yawned and continued

"Listening to your description, how do I feel, it seems to be that Yang... Yang or something, it's the victim, she seems to want to ask someone to kill him, but she was killed in turn, and then the recording changed from her alibi to *$#&#..."

His voice became smaller and smaller, and he couldn't hear it at all, but his reasoning was exactly the same as mine, and I thought about the answer for so long before I thought of it, but he was half-asleep and half-awake, and he only listened to my description once and immediately guessed the answer, which made me very unwilling, but it has been like this since I was a child, and I am used to it, although this habit makes me very unhappy.

"Hey, then you say, who is the murderer?"

I deliberately raised my voice to keep him awake.

"Ah, murderer, go and ask the one who played the recording, he must know."

"Oops, the problem now is that the one who played the recording is also dead, and I don't know if it was suicide or homicide."

There were a few more seconds of silence on the other side of the phone, and I shouted

"Hey! Don't sleep! ”

"Listen, listen, the person who played the recording died, I don't know if it was suicide or homicide, you can talk about this case again, don't let go of any details."

I described it for about 5 minutes, and Zhang Fan replied

"According to you, if he kills..."

"But the two people I suspected before didn't have time to kill people at all." I chimed in

Zhang Fan didn't answer my question directly, but asked rhetorically

"I ask you, if you want to hide a leaf, where is it better to hide it?"

I asked inexplicably

"Why do you ask this? Are you sleeping? ”

"Oh, answer quickly, it's grinding."

"In the forest."

"What about hiding a corpse?"

I said with a sigh

"In war, you mean that someone uses the hitchhiking method to kill people?"

"Yes, the front desk said that no men went out, but it didn't say that no women went out. Aren't there still two women in the repertory troupe? If it was his murder, the suspicion of these two women could not be ruled out. ”

I have considered this possibility before that Zhang Fan said, but I said it in disbelief

"No, they're a repertory troupe, not a killer troupe..."

"Oops! You're so annoying! Zhang Fan was obviously impatient and said bluntly

"Conan Doyle said: Eliminate all impossibilities, and the rest of the impossibilities are also the truth, if the one who played the recording was really killed by him, then the murderer could only be those two women."

I asked hurriedly

"And if he kills? What do you mean? You mean there is still the possibility of suicide? ”

"Yes, because there are a lot of suspicions, this guy deliberately lives in such a secluded place, as if he is giving the murderer a chance to kill, and obviously drank sleeping pills, how can it be $%*#&..."

He started babbling again, and I asked quickly

"What are you talking about, I can't hear clearly, don't talk nonsense, what about drinking sleeping pills? And if he kills, then what's going on with the secret room? ”

"Secret rooms, generally divided into key playback techniques, murder outside the secret room, and fake secret room techniques..."

As he spoke, there was a snoring sound over there, and it seemed that he was completely asleep, and I cursed

"Bastard, what are you talking about, it's not clear."

I looked at my watch, it was almost one o'clock in the morning, I was physically and mentally exhausted and decided to go back to the bedroom to sleep, I was about to call Zhang Kexin, when I asked them to come down, my phone rang, it was Lingling, but it was not my ex-girlfriend, this Lingling and my Lingling name are similar, and the two of them are very good girlfriends.

"Why did she call me so late?" Confused, I answered the phone, and before I could speak, there was a curse on the other end of the line

"Song Xiaofang! You bastard! Your spirit is pregnant! ”