Chapter 38 Three Graves 01 Lie Detector

Girl, please don't live in a humble grave.

"Mr. Lin, I will ask you some questions below, please answer truthfully."

"Um."

"Is your name Lin Chen?"

"Yes."

"Are you from Fengchun?"

"Yes."

"About this polygraph investigation, are you willing to answer my questions truthfully?"

"willing."

Lin Chen was sitting in the interrogation room with several clips on his index and ring fingers, a blood pressure monitor wrapped around his arm, and some wires connecting his chest to the screen on the table.

Parameters such as his heartbeat, respiration, blood pressure, skin electricity, etc., were assembled into complex lines on the screen, and moved forward slowly.

Opposite him is a staff member of the Inspectorate, not Inspector Huang himself, of course.

After the "Candy Thief" case, for some unknown reason, Lin Chen never saw Huang Ze again, and, for unknown reasons, Huang Ze actually sent someone to go through the police consultant approval procedures for him. , Of course, before that, he still has to explain some things that have not been explained.

Of course, passing the lie detector test is also part of the account procedure.

The lie detector opposite him took his eyes off the data monitoring screen, his eyes narrowed slightly, and after finishing the non-threatening neutral question, of course he wanted to get to the point.

"During the process of handling the case, have you ever used your power to help criminals?"

"No."

"In the process of assisting the police in handling the 9.10 serial murder case, did you intend to help the suspect Feng Peilin jump into the river to escape?"

"No."

The data line on the screen began to fluctuate, and the lie detector quickly swept across the screen, and then turned back to look slightly disappointed: "After you and Feng Peilin fell into the river together, what happened? Is Feng Peilin alive or dead?"

"After falling into the river with Feng Peilin, we were washed away by the river water. I don't know if he is still alive." Lin Chen held the glass, the water was very hot, and a thin layer of tea leaves floated on the surface of the water. replied lightly.

"As you said, since you're fine, why didn't you return to the team and report the situation before leaving? Instead, you didn't say hello and sneaked away alone?"

Hearing this question, Lin Chen raised his eyes slightly, as if looking at the face of the lie detector, and at the clear one-way glass behind him.

"Since Feng Peilin's target has always been me, I'm afraid that his reappearance will cause unnecessary trouble to the police." He paused, then continued: "Also, some powerful people are always looking for trouble for me. , I also want to cheat to death and avoid these troubles." His breath was steady and his voice was calm, because he sounded very calm.

Even if you don't look at those complicated lines, just from the tone or attitude of his speech, anyone who hears this sentence will feel that there is no problem with such a reason, but it is only no problem.

Outside the one-way glass, which was too clear, stood a person.

He put his hands in his pockets and wore a standard police uniform. Unlike Inspector Huang, who was always meticulous in his clothes, his clothes were wrinkled and the first button was not fastened, so he looked very casual. Maybe it was because his eye sockets were too deep or the color of his eyes was greenish. When he stared at the interrogation room, there was a sense of tranquility and cold depth that did not match his sloppy image.

But, that kind of tranquility and deep meaning only lasted for a short time. After hearing that very reasonable answer, the corners of his mouth twitched slightly in order to keep his seriousness, and the dark green eyes rippled. Then he smiled and looked at the polygraph on the table.

Well, all the indicators are stable, so his smile is getting deeper and deeper.

The lie detector turned over a page and suddenly asked, "Have you ever been in a relationship?"

Rao is Lin Chen, and he is also a little surprised by such a question: "Huh?"

"Answer the question." The lie detector cleared his throat and said seriously.

"No."

"Have you never liked anyone?" He couldn't help but ask as if he thought this answer was too strange.

"No."

At this moment, the various data on the monitoring screen finally showed fluctuations visible to the naked eye, and the person who answered the question quickly realized that he had lied on this question.

He frowned slightly, as if he didn't expect that he would actually have a problem with this answer.

But in the end, what went wrong?

Although the subjects began to struggle, the lie detector quickly turned over the chapter. After all, who doesn't have some privacy?

The lie detector continued to return to the topic: "So, from the file, in the case of the candy thief, you appeared on the hijacked bus by accident, right?"

"Yes."

"Where are you going by car?"

"Go travel."

"It's a coincidence..."

The lie detector said subconsciously, and at this moment, Lin Chen finally couldn't help but let go of his hand holding the teacup and said, "Sorry, please allow me to interrupt you."

"What's wrong?"

"I just listened to the questions you asked. I think the lie detector program you used should be the CQT standard question polygraph method..."

The lie detector turned to the first page of the file and glanced at it, feeling a little embarrassed.

"The standard question polygraph method is divided into four parts, neutral questions, standard questions, related questions, and off-topic questions. For example, asking names and ages are neutral questions. The role of neutral questions is to establish a normal response level. , so in the questioning process, please try to let the test subjects answer a 'yes' question and a 'no' question, otherwise there will be problems with the baseline setting."

The lie detector closed the file and listened helplessly.

"At the same time, when you ask questions about the case, try to write the pattern of the question into a pattern that allows the subjects to answer yes or no. The two questions you asked at the beginning were very good, but later they became Interrogation, interrogation and polygraph, after all, there is a difference."

The lie detector opened his mouth and found himself speechless.

But Lin Chen's words are obviously not finished: "Actually, in a set of CQT lie detection questions, it is best to only involve one question and one aspect, and to determine whether the test subject is lying by asking repeatedly, so , the case of the candy thief is another matter, and you'd better put it in the next set of questions and ask me again."

Lin Chen's counterattack was quick and merciless.

The mixed-race youth standing behind the one-way glass almost laughed out loud. The way some people got angry because they answered the wrong question was really cute.

"Mr. Lin, I understand." The lie detector sighed, stood up, and took off the wires stuck to Lin Chen's body, "If you lie sincerely, the instrument won't detect it."

"..."

"This is just a routine, you answer me a few more questions and we'll call it a day."

"Please ask."

"I read the 'Candy Thief' file. As a temporary negotiator, you made a great contribution to persuading Fang Aizi, but at the same time, you were also one of the last people who had contact with Yang Dianfeng. After that, The police car that Yang Dianfeng was riding in was equipped with a sucker bomb. Under the circumstances at the time, do you think Yang Dianfeng would have time to give the criminals information about his arrest?"

"Impossible. He didn't have any opportunity to contact a series of communication tools such as mobile phones at that time, and Yang Dianfeng knew very well that once he was arrested, seeking police asylum was the only way out."

"Because the criminals responded very quickly at the time, since it was not the criminal Yang Dianfeng notified himself, can I make an inference that among all the people on the scene, someone passed the information directly to the criminals, so that the criminals could quickly Respond and kill."

"I don't rule out this possibility, but in fact, I can also think that Yang Dianfeng himself was closely monitored by a criminal organization, and if he had a problem, he would be quickly silenced."

"Please answer my question directly, and answer whether I can make this inference." The polygraph examiner suddenly interrupted him and asked very seriously.

"Yes." Lin Chen was silent for a moment and replied.

"Continuing with the previous question, you are an expert who has received the most professional and systematic psychological training at the crime scene, so did you notice that someone was unusual at that time, and among all the people, who do you suspect is most likely to pass this information to criminals?"

Hearing this question, Lin Chen suddenly raised his head.

The two questions in this sentence are really full of the style of the inspector's office, full of conspiracy and traps, and it is even very likely that these questions themselves were drafted by inspector Huang himself.

Originally, the Inspector’s Office existed to supervise whether police officers exercised their powers correctly and appropriately in the process of handling cases. Then, since the Inspector’s Office suspected that someone had leaked secrets within the police, it would of course start an investigation, but based on the possibility of inference, it was necessary to obtain It's a bit embarrassing to use such a blatant question to encourage whistle-blowing to come out with a definite result.

"I do have professional psychology training, but I am not a professional facial expression recognition expert, and even the most professional expression recognition expert needs to observe and talk carefully to find abnormal problems, you ask me, in my face The other side, Ai Zi, when all the police officers are hidden in the reeds, if I find out that someone is harboring a ghost at the scene, then I can only answer you, I do not have the ability to discover this problem."

———

The review process is always long and cumbersome.

When Lin Chen walked out of the gate of the police force, it was already dark, and on an early spring night, the wind was as soft as the stars.

Xing Conglian leaned against the stone pillar at the door, smoking a cigarette, and when he saw Lin Chen, he slowly stood up straight: "Is it still going well?"

Lin Chen shook his head and handed the result he just got.

Xing Conglian's face sank, biting the cigarette butt, and quickly opened the report, his eyes fell on the last line of the report.

The words "approved" are clearly written on it.

The company commander of Xing Cong couldn't help but put his hand on Lin Chen's head and rubbed it: "Hey, didn't this pass, why are you still shaking your head?"

"Didn't you ask me, did it go well?"

"It's all passed, isn't it smooth?"

"I just thought that Huang Ze would suddenly let go and actually let me pass the consultant's review. This is too strange."

Looking at Lin Chen's slightly worried face, Xing Conglian showed a meaningful smile: "What if conscience finds out?"

He took a breath and asked with a smile.