Chapter 48 Section 7

"If I were you, I would never go wrong again!" In the darkness, a cold and majestic voice suddenly sounded. The hand that was holding Liu Simiao's neck loosened immediately, and the moment Liu Simiao tiptoed to the ground, his right elbow slammed into the chest of the man behind him. He staggered back a few steps.Liu Simiao took the opportunity to leap forward, out of danger, and came to the person who yelled, rubbing his neck, and asked hoarsely, "Huyanyun, why are you here?" "Your cell phone didn't work, so I called Xiao Guo, and she said that you must have come here. I changed cars all the way and came here. It was already very late when I arrived at the county seat. I didn't even take a taxi to Hulingzi Township. I finally rented a horse..." Hu Yanyun said, "Are you okay?"

Half an arm away, Liu Simiao could also feel the chill from his clothes, knowing that he had just entered the lakeside building.I couldn't see his appearance clearly in the dark, but I felt his eyes were very bright, and my heart couldn't help but feel warm.Although because of the tea, she hated this man to the core, but thinking about whether he came in time, she almost died, and she couldn't help but secretly rejoiced, her mouth was still cold: "It's okay? You have to come half a step late , I will die!" Hu Yanyun didn't care about her harsh tone, and looked at the depths of the corridor, where the darkness was as thick as pine gum.

"Case solved?" "It's broken." Liu Simiao said. "Do you know who the murderer is?" "understood." "What about the other case?" Liu Simiao couldn't help being taken aback, stared blankly at Hu Yanyun's direction, and said after a long silence, "It's broken too." "Do you know who the murderer is?" "...I know too." "Two cases, two secret rooms." Hu Yanyun sighed heavily. To the point! Liu Simiao was even more surprised, and couldn't help but ask, "How did you see it?"

"A deduction." Hu Yanyun said, "What about you?" "Physical evidence!" Liu Simiao said decisively, "The iron-like evidence proves the iron-like facts!" Hu Yanyun nodded, "Tell me." "The first case is the murder of six people in a KTV private room—no, the murder of five people. The dead are Li Jialiang, Meng Jianyi, Jiao Yan, Gong Jing, and Tong Dali." Liu Simiao said, "The murderer in this murder case is Li Jialiang." "What is the evidence?" "The investigation report shows that: when Chu Tianying asked Meng Kangyi why the six people from Jianyi Company came to the lakeside building, Meng Kangyi said that Li Jialiang and Tong Dali proposed an improvement plan for the five-element yin and yang mirror, and injected it into the yin and yang mirror. The lake water of 'Erencha Gannuoer' increases its health benefits. China has a territory of 5.6 million square kilometers. How could Tong Dali know that there is such a lake in a small township called Hulingzi? The answer lies in Li Jialiang's resume, 'Cultural Revolution "He used to jump in line here later, so the instigator of this trip must be Li Jialiang. In addition, although Li Jialiang was lying down next to the door of the private room, I found a wedge-shaped concave point at a height of 110 centimeters from the door. There is blood, which is associated with Li Jialiang's height and the knife in his abdomen. Therefore, this concave spot should be formed when he was stabbed when he was standing with his back leaning against the door. This posture is not running away, but holding the door. Let no one escape - he wanted to die with everyone from the start."

Liu Simiao paused for a moment, then continued: "Of course, these are only indirect evidence, and the most powerful direct evidence is a remote control." "Remote control?" Hu Yanyun was a little confused. "It was found under a double sofa on the west wall, and the physical evidence number is No. 17." Liu Simiao said, "Because it was in a crushed state, it did not attract the attention of the police, but it aroused my suspicion. The dots are too uniform, and the force is obviously too large. It was smashed intentionally. Why did you smash it? After I assembled it completely, I found that it is not the same brand as the TV hanging in the private room, and it is still very new , the most important thing is that the police only extracted the fingerprints of Li Jialiang alone on the shell fragments of the remote control, which is even more strange. Song ordering and singing in the ktv private room mainly rely on the computer and operating platform in the control room. What is he doing with the TV remote control alone? I didn’t realize until later that it was not a TV remote control at all, it was just made into a TV remote control. In order to prevent someone from misusing it, Li Jialiang kept it in his hand, and at the last moment Don’t forget to smash it to confuse the police—what it actually remotely controls is the killing tool on top of my head!”

Hu Yanyun raised his head and looked at the ceiling, but he couldn't see anything in the dark: "What killing tool?" "Infrasonic sootblower." Liu Simiao said word by word, "The coal powder used as fuel for boilers generally has a relatively high sulfur content. After a long time, the dust particles accumulate and sinter, which will form coke slag and ash, making the boiler Efficiency drops. The infrasonic soot blower is to send high-intensity infrasonic waves into the boiler body in operation, and through the vibration of the sound wave energy, the soot deposits are broken and broken..."

Hu Yanyun was surprised, "This kind of thing can kill people?" "Yes." Liu Simiao said, "Human ears can hear sounds within the frequency range of 20 to 20,000 Hz. The sound above 20,000 Hz is called ultrasound, and the sound below 20 Hz is called infrasound. Although the ear cannot hear infrasound, the internal organs of the human body The natural frequency of vibration is very similar to the frequency of infrasound, for example, the natural frequency of the internal organs of the chest and abdomen is 4 to 6 Hz. Therefore, once the high-power infrasonic wave acts on the human body, it will cause "resonance" of the internal organs, and the internal organs are like the accumulations in the boiler. Fractured and broken like ashes. Especially the heart is the most vulnerable to damage, causing apoptosis of cardiomyocytes, and the autopsy result is often acute myocardial infarction.

"In the Malacca Strait tragedy in 1948, the friction between the storm and the waves produced infrasound waves, which killed all the crew of a Dutch merchant ship; More than 20 people in the farm died within tens of seconds. During the Kosovo War in 1999, the U.S. military used infrasound generators to emit infrasound waves, which incapacitated a large number of enemies in a few seconds... A thermal power plant with an infrasonic boiler soot blower has done an environmental assessment and found that long-term exposure to low-intensity infrasound can cause dysfunction in the vascular system, respiratory system, gastrointestinal system, and central nervous system in workers——Li Jialiang’s resume shows , when he joined the queue in Hulingzi Township, he once worked in a nearby power plant. Although the power plant at that time was not equipped with infrasonic sootblowers, I guessed that he was no stranger to technological progress in this field, so he was planning During the murder, he thought of using the infrasonic sootblower to create a secret chamber."

In the depths of the corridor, the darkness continued to freeze, and the attacker seemed to be listening to her story. Liu Simiao went on to say: "I don't know what Li Jialiang's motive for killing people is, but it's obvious that he doesn't just want the lives of these people, but wants to completely destroy Jianyi Company - a secret room with locked doors and windows. Everyone is dead, there are no traces of fighting, no murder weapon, and there is only a five-element yin-yang mirror in the room. Of course, the public will suspect that the five-element yin-yang mirror killed people. Who would dare to buy health care products from Jianyi Company from now on? Seal the throat!

"Therefore, Li Jialiang reduced the size of the infrasonic soot blower and transformed it into something in the shape of a phonograph in the ceiling. The horn was aimed in the direction of the KTV room, and a rotary valve was allowed to turn on and off the air source at a set rate through the speed of the motor. The spout makes the ejected air flow in an intermittent pulse state, forming infrasonic waves, which radiate to the ktv room through the channel of the ceiling... "When I saw Lei Rong's re-examination report, I thought of this. A heart attack rarely causes inner ear bleeding. If there is, it must be an attack from a sound weapon. Noise is impossible. If there is a shock to death No one in Hulingzi Township will hear the noise, so it is nothing more than ultrasound and infrasound. Ultrasound is mainly used for medical treatment, and infrasound is the most lethal." Liu Simiao's voice trembled, "I couldn't escape One death. The penetrating power of infrasound is extremely strong, not to mention penetrating the gap between the first floor and the second floor, even a reinforced concrete military fortress... I was almost humiliated that day. After they left my room, they had a high fever I still fell asleep, and when the sootblower was activated, the infrasound wave woke me up, giving me the illusion of being submerged in the 'lake', and made me escape from the lakeside building in pain—the essence of the sound is A kind of mechanical wave, that's why I saw the waves of the lake rushing in hallucinations... However, the reason why I didn't suffer more damage was all because of this."

As she spoke, she stretched out her right hand, holding a bullet-like thing between her index finger and thumb. "This is a 3m earplug. It can reduce noise by 29 decibels when you sleep in it. Since it is made of polyvinyl chloride foam, it can also greatly increase the attenuation of infrasound." Liu Simiao's voice was very sad, "I guess, this is what Li Jialiang put on me when I was sleeping... Maybe he only brought a pair of earplugs, maybe he wanted to be a 'survivor' in the private room, but he finally put the survival The opportunity was left to me, he didn't want the innocent me to be hurt..." Liu Simiao couldn't continue speaking, and coughed lightly twice. "So, Li Jialiang used acoustic means to kill people, and he succeeded once." Hu Yanyun sighed. "No..." Liu Simiao's voice suddenly became heavy, "It should be said that he was not completely successful, so the second case and the second secret room appeared." The darkness deep in the corridor trembled slightly. "Here I want to insert a word first. According to the preliminary investigation report, when the police arrived at the lakeside building, the whole building was pitch-black and did not turn on the lights. When Carrot checked the distribution box, he found that the main switch had tripped. Caused by excessive current—Of course, this is also within Li Jialiang's plan, otherwise the infrasound wavelength time transmission will not only cause casualties to innocent people who are close to the lakeside building, but also the mystery of the secret room will be easily solved by the police." Liu Si Miao said, "Infrasonic killing is a very creative method, but it is rare in reality—the reason is that the 'dose' of infrasonic is not easy to control, and the killing effect has a lot to do with individual differences. , can kill weak people, but strong people may just go into shock and coma. Therefore, during the short time when the infrasound wave was sent, Meng Jianyi, Jiao Yan, Gong Jing and Tong Dali died suddenly, and the other two people fought, Meng Ruhu wanted to rush out of the door, but Li Jialiang blocked the door and refused to let him run away, and Meng Ruhu was stabbed several times. When Li Jialiang fell with his back against the door, Meng Ruhu must have been knocked out by the infrasound and passed out—attention, yes Fainted, not really dead." Liu Simiao continued: "The blood fingerprints found on the inside handle of the private room door were identified as Meng Ruhu's. The police believe that this shows that Meng Ruhu wanted to flee after killing Li Jialiang, but was caught by the 'seventh person' in the room." Hit the back of the head with an ashtray and die——I don't care what method the "seventh man" uses to avoid the damage of the infrasonic wave. He calmly puts on his gloves and picks up the ashtray to hit people. Overthrow this conclusion: Meng Ruhu's body was lying prone beside the glass tea table in the center of the private room, and the fingerprints he left on the doorknob were stained with Li Jialiang's blood, indicating that Li Jialiang had no strength to stop him at that time, why didn't he escape as soon as possible? Even if he received that fatal blow to the back of the head at this time, his body should still be lying prone next to Li Jialiang, right? How could he take at least six or seven steps backwards and only get down on the side of the coffee table? Why was there no relevant trace of fighting in the private room? So my conclusion is: Meng Ruhu woke up after passing out, opened the doorknob, and escaped from the ktv private room! "So there was a second case, a second secret room..." Liu Simiao stared into the darkness deep in the corridor, "When I suspected that Meng Ruhu had escaped from the private room, there was one thing that puzzled me. Why did he He went back to the private room again and was killed? After killing him, how did the murderer escape from the private room after locking the doors and windows from the inside? Why did he set up such a secret room? Since this is not a mystery novel, but a real case, then it must be There must be a reasonable explanation. "Later, Hu Yan, Guo Xiaofen sent me the words you said in a text message, which made me enlightened. That's right! The murderer's purpose of setting up the second secret room is exactly the same as Li Jialiang's purpose of setting up the first secret room— - Make people think it is a secret room! The public thinks it is a secret room, and they will suspect that the five-element yin and yang mirror radiates and kills people. The police think it is a secret room, whether they walk through the grid, take pictures on the spot, or search for evidence, basically It was carried out inside the private room, without too much inspection of the outside of the private room - because in their view: all murders and deaths happened inside the private room! "After realizing this, I immediately began to investigate along the corridor outside the private room door. The luminol spray soon told me that the place where Meng Ruhu was killed was actually in this place. The next question is ——Who is the murderer? How was the secret room set up?" Liu Simiao's eyes radiated light like night pearls, "I suddenly thought: there is a huge doubt in the initial investigation report, and this doubt is the breakthrough point of the whole case , is the key to unraveling the mystery of the secret room, and clearly pointed out who the murderer is! Hu Yan, I believe that you also discovered this doubtful point, and only then did you gain insight into the truth of the whole case." Hu Yanyun said calmly: "I did find a doubtful point... But, please tell me first, and see if what we found is the same." "After the incident, in order to confirm the belongings of the victims, the police conducted forensics on the guest rooms on the second floor. On the doorknobs of each room, there were clear and complete fingerprints and palm prints, which corresponded to the personal items in the room. Come on." Liu Simiao paused for a moment, and said sharply into the darkness deep in the corridor, "I don't understand, since Luo Luo said that after he entered the lakeside building with Chen Shaoling, he couldn't find you, and you showed up later , said that you opened the guest rooms one by one on the second floor to check—then Zhang Dashan, whether you were barehanded or wearing gloves, why did you not damage the doorknob at all when you "opened the guest rooms one by one" on the second floor? those fingerprints?" At the end of the corridor, Zhang Dashan, who was standing with his back against the door of the KTV private room, suddenly paused. "Actually, you weren't on the second floor at all, you were in the private room!" Liu Simiao said, "I deduced what happened like this: after calling the police, you were worried about Li Dazui's safety, so you went into the lakeside building to check, At the door of the private room, I ran into Meng Ruhu who had escaped. He was shocked by the infrasonic wave and rushed towards you with a knife. At that time, you might have a wrench or something in your hand. You hit him on the head and beat him. Died on the ground, the blood form in the corridor shows this is the situation. When you found that there were more corpses in the private room, you were afraid, afraid that the police would think that you killed these people, so they forced Chen Shaoling to come with you Fake. You quickly wiped off the blood on the corridor, moved Meng Ruhu's body into the private room, and placed it next to the glass coffee table. You put on gloves, and hit the back of his head with an ashtray a few times to cover up the underlying injuries. When you come down, you throw the murder knife beside Li Jialiang, ask Chen Shaoling to throw the wrench into the Lake of Tears or somewhere else, go back to the car and wait for carrots. You lock the door of the private room and hide in the double room near the west wall. Behind the sofa." Recalling that night, when Chen Shaoling returned to the car and sat beside her shivering, Liu Simiao was a little lost in thought, "The carrot is here, Chen Shaoling walked into the lakeside building with him, and when she opened the door of the private room, she intentionally Shoot the light of the flashlight straight to the playback control room in front of you. There, you have already moved a corpse—Gong Jing’s. The purpose is to make carrots walk into the crime scene for the first time and not pay attention to it. The surrounding situation. Sure enough, Carrot immediately walked into the control room to check Gong Jing's life and death. At this moment, you got up from behind the loveseat sofa and quickly walked out of the private room. When the time is right, you will come back into the private room from the outside..." Dead silence, like the bottom of a lake washed dry by a storm. After a long time, Zhang Dashan's dull voice sounded in the corridor, "I...I'm terrified, I don't want to go to jail again, so I threatened Shaoling—" "you are lying." Hu Yanyun's indifferent words interrupted Zhang Dashan. "Zhang Dashan, you are lying." Hu Yanyun's voice was a little sad, he turned his head and said to Liu Simiao, "Simiao, the doubtful point that allowed me to see the truth of the incident is different from yours." "Oh?" Liu Simiao was momentarily at a loss for words. "After I got the information about the Hupanlou case, I looked it over carefully. I didn't see anything strange at first, but the map of Hulingzi Township in the file folder aroused my interest. According to the location marked on the preliminary investigation report, On the night of the accident, Si Miao, you were standing on the national highway, not far from the Grassland Hotel. The owner of the hotel, Yang Cong (Onion), said during interrogation by Chu Tianying that the light in the lobby of the hotel was kept on that night in order to wait for a guest to come back. It was 10:30. The police station in Hulingzi Township received Zhang Dashan's call to the police at 10:14. On the way I came just now, I walked west along the national highway to make sure: Zhang Dashan, you and Chen Shaoling that night When you almost hit Si Miao, you must be able to see the lights of the Grassland Hotel." Liu Simiao was confused, "Hu Yanyun, what exactly are you trying to say?" "What I want to say is, since this is the case, why did Zhang Dashan and Chen Shaoling tell the police at the same time when they were questioned by the police that they found Liu Simiao standing on the national highway covered in blood, and Chen Shaoling immediately said to Zhang Dashan, "The lakeside building Something must have happened'?" "Ah!" Liu Simiao suddenly realized, "So, Chen Shaoling already knew that the place where the crime happened was the Hupan Building—it wasn't Zhang Dashan who held her hostage, but she held Zhang Dashan hostage!" "Nonsense! You are talking nonsense!" Zhang Dashan rushed forward with a roar, his broad face distorted like a sedimentary rock, "I was the one who killed Meng Ruhu, and I was the one who forced Shaoling to collude to set up a secret room! Don't frame good people!" Suddenly, he froze. From far, far away, the siren of a police car was heard. He leaned against the wall, eyes full of despair, and muttered to himself: "It's me..."