The Underworld Detective

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The paper read: "This is your fourth test. You used to show your excellent reasoning skills in this teaching building. Unfortunately, I was not present at the time. Now I want to make up for this regret. See, the classmate in the classroom has already died with several knives. You ca n’t enter the classroom or send anything in. You have to reason through the windows and doors. How many knives did he hit? Glass, for five minutes! "

After seeing the problem clearly, my pupils contracted instantly, which is almost impossible.

Right now, time is running short. I can't care too much. I took a photo of the paper on the phone and sent it to Huang Xiaotao.

I thought desperately and passed all the tricks in my head. At this time, Wang Dali and a few classmates arrived. After Wang Dali saw the problem clearly, he said: "Sleeping, this is a wool reasoning, basically Just guessing! "

I took a deep breath: "This is a closed space. I can use the returning fragrance to restore the incident, but once I do n’t have time to get it, it may be cheated."

Wang asked sternly, "What is the returning soul?"

How could I explain it? At this moment, the radio rang loudly, and I opened it. Huang Xiaotao said, "Song Yang, I saw the problem. Is the opposite window open? I can let the old woman use Skynet. The system scouts for you remotely! "

I glanced into the classroom and smiled bitterly: "He considered this possibility, all the curtains were closed, and it was opaque fabric, and he couldn't see it from the reflection of the glass."

Speaking of the word 'reflection', I glanced at the blood on the ground. Although the blood stain had a fuzzy reflection, nothing could be seen from this angle.

Huang Xiaotao scolded: "Asshole, it's so cunning!"

Wang vigorously mobilized everyone to call down all the science teachers. Everyone wanted to recruit together. The boys ran out and ran away, and invited the teachers up. As a result, these think tanks screamed as soon as they saw the corpse, but it didn't help me except to cause interference.

A few teachers discussed it casually. Some people said that they could use laser detection, and some people said that they could use sonar, but there is no equipment right now.

My eyes lit up: "Yes, use your voice!"

I called over a boy and told him and Wang Dali to go to the front and back doors of the classroom and knock on the door at a rate of once every second, staggering each other.

Wang vigorously was puzzled. There were only two minutes left. How could he still explain? I put my ears on the glass and sounded seriously.

This is actually a flexible application of the acoustic bone recognition, which is a stereoscopic image of the internal organs that is shaped in the mind by positioning the echoes in the abdominal cavity with the hands constantly knocking on the ribs.

Right now, I can think of this whole sealed classroom as a huge chest, and see the corpse as an organ inside, and my hearing should be able to reconstruct the whole picture in my mind.

But the classroom is too big, and it is difficult to accurately capture the slight changes in sound waves, and people around me have been whispering, which has affected me very much. I said, "Dear students, teachers, please do n’t talk, just breathe lightly!"

A teacher who teaches physics said: "Student Song Yang, you are whimsical! You are not a bat, you can use echolocation."

I smiled bitterly and folded my palms together: "Please, be quiet for a while!"

The crowd stopped talking, and I put my ears on the glass again. At first, my mind was blank, and then a seated person gradually appeared. His face, figure, and wounds on his body appeared very clearly in his mind.

Time passed by every minute, and I concentrated so hard that my back was soaked with cold sweat.

Then I gradually calmed down, as if my heart was empty, as if I was walking around in this room, observing everything inside.

The percussion stopped suddenly, and Wang Dali reminded quietly: "Yangzi, there are twenty seconds!"

I nodded and walked toward the window with the numbers on it. When I saw the numbers above, I suddenly stopped. The deceased hit a total of 11 knives, but the largest number on the glass was only 9. trap.

Wang Dali said, "Ten seconds, hurry up!"

I gritted my teeth, wrapped my fist in my sleeve, and broke the glass with the numbers "2" and "9" written on it.

time up!

Deng Chao's voice came from the horn outside: "Haha, Song Yang, you are really wrong this time. The deceased hit eleven. Unfortunately, you did not pass the test!"

My anger can no longer be restrained, and I yelled out the window: "Dirty man, you think you are smart, don't you hide when you have the ability!"

Deng Chao ignored me and continued: "Your mistake killed two innocent students, and the number of ghosts in this building has increased."

There was a bang, and the sound of the explosion stabbed everyone ’s eardrums. Then a wave of smoke came from the corridor, and the radio light turned on. I turned on the headset and Huang Xiaotao said, "I heard an explosion, are you all right? "

I sighed, "I'm afraid he killed another person, I'm going to confirm it now!"

Huang Xiaotao was relieved: "You're fine!"

The smoke and dust in the corridor was very dense, mixed with a smell of burnt flesh. When I went to the end, I found that there were broken bricks all over the bathroom, and the bodies of a man, a woman and two students were buried inside, and the faces were burned It's black.

There were traces of tying on the body. They were placed in the bathroom at the beginning. Deng Chao didn't plan to let me pass the fifth test. He just wanted me to watch everybody around me die.

I hated biting my lips, when Huang Xiaotao said on the radio: "Song Xingchen has something to tell you!"

Immediately, Song Xingchen's voice came from the headset: "Little Master, I found the hostage's hiding place ..."

I took a few deep breaths to calm down and said, "Don't take any action first, he probably put a bomb or a camera in it. I'll contact Huang Xiaotao first."

Song Xingchen replied: "Be careful!"

I cut back to Huang Xiaotao and asked her, "Is the command center transferred?"

Huang Xiaotao said: "Transferred!"

I ordered: "Luo Lao and Song Xingchen cooperated to rescue the hostages first. You should think of the specific method, and don't make troubles."

Huang Xiaotao replied, "Okay, this is up to us!"

At this moment, a group of teachers ran up and shouted, "No, the principal's whereabouts are unknown, it is likely that they were kidnapped by criminals!"

I stumbled for a while and asked what was going on. They said that the headmaster had just come to make it easier for them. During this period, they were greatly sought out by Wang as a think tank, but they did not care about the headmaster. I went back and saw that the principal was gone and the phone could not be reached. It was due to being kidnapped by Deng Chao!