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Chapter 817 Kill him!  (4000)

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    That afternoon, after learning about the two people¡¯s prank, Matayoshi Kazuo came up with this murder method using a ¡°fire trigger¡± in his mind.

    His preparation was very simple, he just went to the supermarket and bought a small oxygen bottle.

    This thing is not difficult to buy. Before the financial crisis in the 1990s, many people would buy this oxygen inhaler. It was considered a popular thing at that time.

    Although this thing is no longer popular after the crisis, it has not completely disappeared. It is still sold in large supermarkets.

    After buying the necessary props, Kazuo Matayoshi drove directly to the company's underground parking lot and waited patiently in the car.

    As time passed, Kazuo Matayoshi soon discovered the figure of Chieko Miyama at the back door of the underground parking lot.

    He knew that the prank between the two was about to begin.

    As expected, not long after, he heard the conversation between Chieko Miyama and Takegawa.

    Soon, Toshio Takegawa walked in, and the door behind him automatically closed and locked.

    Seeing that Chieko Miyama¡¯s prank was successful, Kazuo Matayoshi also started his own plan.

    He opened the car door while Toshio Takegawa was yelling at the front door.

    And the cigarette was also left behind at that time.

    It seemed that Toshio Takegawa was in a panic, and he didn't notice him until this moment.

    It wasn¡¯t until he activated the ¡°fire trigger¡± button and the underground garage started to sound the alarm that Toshio Takegawa noticed his presence.

    After a brief daze, Takegawa Toshio quickly realized what Matayoshi Kazuo was planning.

    He ran towards Kazuo Matayoshi¡¯s car like crazy to ask for deposit, and Kazuo Matayoshi also ran towards the car.

    But just as Kazuo Matayoshi was about to get in the car, Toshio Takegawa, whose potential exploded between life and death, also pounced on him.

    The two got into a scuffle in the parking lot, but Toshio Takegawa was old after all, so how could he be the opponent of Kazuo Matayoshi, a man in his early thirties.

    Soon, Matayoshi Kazuo broke away from Takegawa Toshio's grasp on his right arm, but the other party struggled so hard that his arm was accidentally scratched by the other party.

    But that was all. Afterwards, Toshio Takegawa didn't cause him any more trouble. He pushed him directly to the side, immediately closed the car door and put on the respirator on the oxygen bottle.

    At this time, the fire extinguishing device on the ceiling had begun to spray a large amount of carbon dioxide gas, and Takegawa Toshio's desperate howl was completely silenced by the spray of white smoke.

    The entire underground parking lot fell into silence. After a while, Kazuo Matayoshi got out of the car with an oxygen bottle in hand and looked at Takekawa's body. Then he opened the front door with the remote control of the electronic garage door and drove away from the crime scene.

    Yes, he has a remote control. After all, he was an employee of this company two days ago, so he naturally has the key to the iron rolling door of the underground parking lot.

    Although he resigned, the key to the remote control was not returned yet, which made it easier for him to complete the trick.

    By the time it was discovered, everyone would have thought it was because Takekawa, who was trapped in the underground parking lot, was too anxious, so he pressed the fire alarm while out of his mind, leading to his own death.

    At that time, this will become an accident, and he will be able to get away with completing a "complete murder".

    "If they weren't so troubled everything would have been treated as an accident" Matayoshi Kazuo growled in a hoarse voice, "It's all them"

    "That's enough!" Tang Ze said in a cold tone: "Have you ever thought of looking for the reason from yourself for the guy who refuses to repent?"

    Being scolded by Karasawa, Matayoshi's expression kept changing and he could only bow his head and remain silent.

    When things got to this point, there was actually no need to say more. After Kazuo Matayoshi explained the whole process of the matter, Tang Ze asked someone to take him into custody.

    Tang Ze was too lazy to say anything to the guy who refused to repent and blamed others until the end.

    After leaving the interrogation room, Officer Memu came over and said, "Thank you for your hard work. This case really helped a lot. This is the debut of "Kesouyan"."

    "I hope there will be better results in the future." Tang Ze said with a smile: "This is also the purpose of the establishment of "Kesouyan", to reform and optimize the search link."

    "Looking forward to your performance." Officer Memu patted Tang Ze on the shoulder: "Okay, you go ahead and I'll handle the follow-up of the case."

    "Then I'll leave first." Tang Ze nodded and said hello to Takagi, and drove straight to; From Tangze's point of view, this is a very bad sign, and if it breaks out, this side will definitely be impressed.

    Tang Ze doesn¡¯t care about the rest. If the funds originally expected to be allocated to ¡°Kesouyan¡± are intercepted by the higher-ups, then Tang Ze will really cry his eyes out.

    Therefore, we must produce results as soon as possible to lay the foundation for the development of "Kesouyan".

    And Tang Ze thought that the most suitable entry point was to introduce a lie detector.

    I believe that many people are familiar with this thing and have some understanding of it.

    Although polygraphs in this era are very crude, they are actually very useful.

    To put it simply, it is to detect and determine whether you are lying based on your physiological reactions and other conditions.

    ??And with the introduction of polygraphs, it¡¯s easy to see the results.

    After all, in the battle of wits and courage with the prisoner, "lies" can be said to run through the entire process.

    Of course, there must be restrictions. For some people who are simply suspicious, I am afraid we can only ask the other party to cooperate in testing.

    Just like the "non-coercive interrogations" they often do in criminal cases, it is not impossible to bring the suspect back to the Metropolitan Police Department without a search warrant, but it requires the other party's consent to cooperate, and the other party also has the right to refuse.

    Of course, if you have a search warrant, everything will be easy. It proves that you are a serious suspect. Whether it is arrest or using a polygraph, the Metropolitan Police Department has the right to do so.

    But no matter what, if the lie detector can be introduced, this will definitely be a visible change.

    As a mystery fan in his previous life, Tang Ze was actually very aware of the power of the polygraph.

    Under normal circumstances, the use of polygraphs is very simple.

    At the beginning, 9 cards from one to nine will be prepared, and then the tester will be asked to randomly select one card from the nine cards marked with numbers.

    Then starting from number 1, ask "Is the card you see "x"?" Repeatedly.

    Use this as a template to introduce the problem into information that only the murderer knows, such as the color of the deceased's clothes and what kind of similar weapon he was killed with.

    ¡°If the subject is really a prisoner, then he must know what he has done.

    When he gets the correct answer, if he chooses to lie, his physiological reaction will be detected and fluctuate.

    This may seem like magic, but it is actually judged based on the person¡¯s blood pressure, pulse, breathing and other physiological reactions when the person lies.

    Of course, lie detectors are not omnipotent. There are people who can deceive the machine after professional training.

    "It's just that people like that are too rare to see. They only target ordinary criminals, not professional espionage personnel.

    And Tang Ze¡¯s choice of polygraph is actually a good entry point.

    First of all, compared to those expensive machines, the polygraph is a cheap instrument, and it is simple to operate and does not require high-end professional technicians.

    ? And cheapness means it is easy to spread and can be used on a large scale.

    What¡¯s more, it¡¯s easy to get results and it¡¯s very straightforward.

    The lie detector is actually very useful for ordinary people. Although there will be a "pre-examination" before starting the test, many people can't pass this first level.

    When you deny the playing card you saw, the machine directly determines that you lied. Many suspects will choose to give up resistance at this stage and confess everything.

    With this, the results are obvious.

    If nothing else, at least it can save efficiency in many cases.

    For example, when dealing with thieves, this thing is definitely a killer weapon.

    "Those thieves are all habitual offenders, but the crimes they committed are not serious. They have been together for a few years and then went out to commit crimes again. Many of them are experienced criminals. There is no truth here.

    After a theft occurs, they are the first people the police investigate.

    But you can¡¯t believe what they say, so you can only investigate slowly.

    But it would be much more convenient if you had a lie detector. You really have no choice to hide it under the test.

    For habitual thieves, this thing is a big deterrent and prevents them from committing the crime again.

    ¡°After all, I have registered with the government office, and I can tell you whether you want to talk to the tester or not, and you can tell me whether you are panicking or not.

    After making up his mind, Tang Ze stood up and took out his phone to call Mr. Saitama to let him know his plans first.

    And with the support of Mr. Saitama, I believe that we will soon be able to convince the higher-ups to implement this plan.

    Tang Ze is looking forward to this very much.  (Remember the website address: www.hlnovel.com)?Looking forward to it.  (Remember the website address: www.hlnovel.com
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