That afternoon, after learning about the two people's prank, the idea of using a "fire trigger" to kill people came to Matayoshi Kazuo's mind.
His preparation was simple; he just went to the supermarket and bought a small oxygen cylinder.
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 trend at that time.
Although this thing is no longer popular after the crisis, it has not completely disappeared and is still sold in large supermarkets.
After buying the necessary props, Matayoshi Kazuo drove directly to the company's underground parking lot and waited patiently in the car.
As time passed, Matayoshi Kazuo soon found Chieko Fukayama at the back door of the underground parking lot.
He knew their mischief was about to begin.
Sure enough, not long after, he heard the conversation between Chieko Fukayama and Takekawa.
Soon, Toshio Takekawa walked in, and the door behind him closed and locked automatically.
Seeing that the prank of Chieko Fukayama and the other person was successful, Kazuo Matayoshi also started his own plan.
He opened the car door as Toshio Takekawa was yelling at the front door.
The cigarettes were also dropped at that time.
Takekawa Toshio seemed to be in a panic and didn't notice him until this time.
It wasn't until he pressed the "fire trigger" button and the underground garage sounded the alarm that Toshio Takekawa noticed his presence.
After a brief moment of daze, Takekawa Toshio quickly realized what Matayoshi Kazuo was planning.
He ran towards Yuji Kazuo's car like a madman and tried to save it, while Yuji Kazuo also ran towards the car.
But just as Matayoshi Kazuo was about to get in the car, Takekawa Toshio, who had burst out with potential between life and death, also rushed over.
The two men started fighting in the parking lot, but Takekawa Toshio was old after all, so how could he be a match for Matayoshi Kazuo, a man in his early thirties.
Soon, Kazuo Matayoshi broke free from Toshio Takekawa's hold on his right arm, but the other party struggled so hard that he accidentally got his arm scratched by him.
But that was all. After that, Takekawa Toshio did not cause him any more trouble. He simply pushed him aside, immediately closed the car door and put on the respirator on the oxygen tank.
At this time, the fire extinguisher on the ceiling had begun to spray large amounts of carbon dioxide gas, and Takekawa Toshio howled in despair and died directly in a cloud of white smoke.
The entire underground parking lot fell into silence. After a while, Matayoshi Kazuo got out of the car with an oxygen tank in his hand and looked at Takekawa's body. Then he used the remote control of the electronic garage door to open the front door and drove away from the crime scene.
That’s right, he did have a remote control. After all, he was still an employee of this company two days ago, so he naturally had the key to the iron rolling door of the underground parking lot.
Although he had resigned from his job, he had not yet returned the key to the remote control, which made it easier for him to complete his trick.
When the incident was discovered, everyone would definitely think that it was because Takekawa, who was trapped in the underground parking lot, was too anxious and pressed the fire alarm in a state of dementia, which led to his own death.
At that time, it would become an accident, and he would be able to get away with it and complete a "complete murder".
"If they weren't so troublesome...everything would be considered an accident..." Matayoshi Kazuo growled hoarsely with resentment in his voice: "It's all because of them..."
"Enough!" Tang Ze said in a cold tone, "You unrepentant fellow, have you ever thought about looking for the reason in yourself?"
After being scolded by Tang Ze, Yuji Hefu's face kept changing and finally he could only lower his head and remain silent.
At this point, there was no need to say more. After Matayoshi Kazuo explained the whole process, Tang Ze had him taken away.
Tang Ze was too lazy to say anything more to the guy who refused to repent and kept blaming others until the end.
After leaving the interrogation room, Inspector Megure came over and said, "Thank you for your hard work. You really helped a lot in this case. This is also the first appearance of the "Scientific Investigation Institute"."
"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 the "Science Search Research Institute", to reform and optimize the search process."
"Looking forward to your performance." Inspector Megure patted Tang Ze's shoulder and said, "Okay, you go ahead and do your work. I'll handle the follow-up of the case."
"Then I'll leave first." Tang Ze nodded, said hello to Takagi, and drove straight home from get off work.
When he returned home, Ayako had already prepared dinner. After finishing his meal, Tang Ze lazily lay down on the sofa, opened the panel and started checking the rewards.
Invisible Suffocation Murder Case
【Congratulations to the host for obtaining Physics (3 years)】
Evaluation: The "Science and Technology Research Institute" created by you has brought more changes to the world. With the advancement of science and technology, more difficult cases may become simpler due to the reforms you brought about.
But on the other hand, high-tech crimes may also be more covert, which is destined to be a long battle.
You have been favored by fate!
Seeing this, Tang Ze couldn't help but raise his eyebrows, and thoughts kept flashing through his mind.
First of all, the reward this time is pretty good. Physics originally helped Tang Ze to make a more comprehensive judgment on some phenomena in the case.
Now that he is a consultant for Kesouyan, it would be good for him to have more knowledge in related fields.
After all, for scientific researchers, even if you are their boss, if you don’t know anything about the relevant field, they will not respect you very much.
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