"Excuse me, did you steal the snacks that Sihuayuan brought over?"
"Excuse me, are you dissatisfied with your boss?"
"Excuse me, do you want to usurp the throne?"
"Excuse me, do you want to surpass your boss in reasoning?"
"Excuse me, are you working well while your boss is away?"
Except for the first and third questions, there were no reactions to the other three questions on the electronic screen in front of Tang Ze.
Seeing that Tang Ze was about to continue asking questions, Nanatsuki Koshimizu, who was sitting on the chair, had already taken off the finger clips on his body and the sensor on his head with a dark face.
"I think you are doing this to me on purpose!" Nanatsuki Koshimizu said madly.
"I know all the things I asked you."
Tang Ze smiled and said, "Sometimes I disappear for several days, so there will definitely be some dissatisfaction and slacking off, there's nothing to be embarrassed about.
As for surpassing me in reasoning, that's a good goal, I hope you keep it up."
"I shouldn't have fallen for your trick!"
Even after hearing Tang Ze's comforting words, Koshimizu Nanatsuki still rolled her eyes and spoke unhappily.
Although this is true, these emotions are also known to both of them. Even Koshimizu Nanatsuki expresses them without any concealment every time he comes back.
But it is still embarrassing to have your little tricks exposed by a lie detector test.
"Now you've personally experienced the power of science, right?" Tang Ze said with a smile. "Well, let's see if our four suspects can provide us with some clues to solve the case."
Because there were four testers in total, they did not wait to be tested together, but tested whoever came first.
After contacting the four people, the first person to arrive was Mihara Keiko, the first discoverer of the case.
"This investigation is a test to quickly find the murderer in the Shanshui Mingqiu case."
Looking at Mihara Keiko in front of him, Karasawa explained: "We will ask you 15 questions, some of which are related to the case, and some are not.
You just need to answer “no” to all of them.”
"I understand." Mihara Keiko, who was wearing a blue dress, nodded lightly to show that she understood.
"Is there anything you don't understand?" Tang Ze asked.
"If the polygraph results show that I am lying, will you arrest me directly?" Mihara Keiko looked at Tang Ze and asked.
"We're only using machines to assist with investigations, not to solve cases." Tang Ze smiled and said, "These investigations are only for reference."
"I understand. That's all." Mihara Keiko smiled and said, "Come on."
"Then let's get started." Tang Ze smiled and immediately asked the first question: "Is it raining in Tokyo today?"
"No."
"When Shanshui Mingqiu was killed, was a knife the weapon used?"
On the polygraph screen, the lines remained steady.
"no."
"Do you know the person who killed Shanshui Mingqiu?"
When this question was asked, although Mihara Keiko's face remained calm, Tang Ze could see some unnaturalness and her pupils were a little turbulent.
Tang Ze looked at the lines on the screen, and sure enough, they began to climb higher, which was a huge difference from the previous flatness.
But Tang Ze did not ask the other party this question, but continued to ask follow-up questions.
After the lie detector test, Tang Ze did not force the other party to speak, but watched him leave.
"Senior..." Nanatsuki Koshimizu looked at Mihara Meiko who was leaving with an expression that seemed to be hesitant to speak.
"You want to ask me why you don't continue to question her?" Tang Ze said with a smile.
"That's obviously a problem," said Nanatsuki Koshimizu, "She's shielding someone."
"Sometimes machines are not necessarily right, so I tell you to control the tools." Tang Ze smiled.
Like he said before, they only use machines to assist in investigations, not to solve cases.
Therefore, they will not use the results of the polygraph for further interrogation.
If you rely on machines from the bottom of your heart, your judgment will no longer be objective, and you are likely to get a wrong answer.
When your subjectivity begins to rely on machines, you will be controlled by them without realizing it.
He had realized this when he was doing a brain fingerprint test on the amnesiac "Arashiyama Man" in Kyoto.
Because humans are complex individuals, they make cognitive errors throughout their lives.
Therefore, the machine can only reflect the individual's subjective ideas, but cannot judge whether the ideas are right or wrong.
Even if Mihara Keiko showed a reaction that she might know the criminal when answering the questions, it might just be that she thought the criminal was the one.
Therefore, we cannot conclude that Mihara Meiko saw the murderer. What they need to do is use this information to restore the truth of the case.
Once the truth is revealed about what you did in this matter, Tang Ze and others will ask you again, and you will naturally tell them everything you know honestly.
What Tang Ze and others have to do is to determine the authenticity of the intelligence and eventually arrest the criminal.
Karasawa told Nanatsuki Koshimizu what happened in Kyoto, and the other party finally understood Karasawa's thoughts.
Shortly after Mihara Keiko left, Koga Kenji was the second to arrive at the Metropolitan Police Department.
After the lie detector was installed, Kenji Koga also reacted to the question "Do you know the murderer?"
Faced with this result, Tang Ze continued to ask calmly, "Did you steal anything from Shanshui Mingqiu's store?"
Hearing this question, Koga Kenji blinked repeatedly and his breathing became a little rapid.
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