While quietly enjoying the tranquility of the night sky, time is passing quickly. Not long after www.biquge.info Liu Feng's good friend in the Municipal Air Testing Bureau, Donnie Yen, came to them with a toolbox.

"Ah Feng, what is it that you are in such a hurry that you want me to rush here now, and you also have to bring a tool to detect the air?" As soon as Donnie Yen came to Zhang Hao and Liu Feng, he hurriedly asked Liu Feng.

"Hehe, it's not that I want you to come, it's that he needs your help." Liu Feng smiled at Donnie Yen, and then pointed to Zhang Hao on the side.

Slowly moving his gaze towards Zhang Hao in the direction pointed by Liu Feng's finger, Donnie Yen was very puzzled: "Are you?" Why do we need to test the air at night? ”

"Eh, Ah Rong, he is a good classmate and brother of my police academy, his name is Zhang Hao, and he is now the captain of the Criminal Investigation Brigade of the Municipal Public Security Bureau, he wants to solve the doubts in his heart, so I called you." Liu Feng explained to Donnie Yen.

"Questions? What's the doubt? ”

"That's right, hehe, we're investigating a case that involves air, and that's why we brought you here." Zhang Hao took over the topic on the side, and then said.

"Oh? What kind of case, can you tell me? ”

"I'm sorry, Ah Rong, this is a police secret." Liu Feng explained to Donnie Yen while introducing Donnie Yen to Zhang Hao, "Ah Hao, Ah Rong is my classmate in junior high school, his full name is Donnie Yen, you can call him Ah Rong." ”

"Hehe, Ah Rong, you actually want to know, so after you finish the test, you get a report, I'll tell you again." Zhang Hao had a good impression of Donnie Yen in front of him, because he found that the latter was also a bold and affectionate person, which could be seen from the fact that he came here for Liu Feng without asking the reason clearly at night.

"Okay, so where do you want to measure the air quality?" Donnie Yen looked around the entire garage, he really couldn't think of it, the garage also needs to be tested for air quality?

"This is it." Zhang Hao pointed to the blue Santana taxi that had been hit, and then said with a serious expression.

"Huh? Taxicab? And it's a taxi that's already deformed? Are you sure? Donnie Yen looked at the blue Santana taxi that was already in tatters, and then turned his head to look at Zhang Hao in surprise and said.

"Hehe, yes, I'm sure."

"Uh, do you need to check the air quality in a taxi?"

"Hehe, ordinary taxis are not needed, but the one in front of me is not an ordinary taxi, it is an important physical evidence in a case." Zhang Hao smiled slightly.

"Oh? Evidence? It turned out to be evidence, so I'll test it. Donnie Yen said as he walked to the blue Santana taxi with his toolbox on his back.

He removed the toolbox he had on his shoulder, opened it and took out the atmospheric sampler and other tools needed to measure the air, and then got into the taxi and used the necessary tools to test it.

After collecting the air sample in the taxi, Donnie Yen put the air sample in a special container, and then came to Zhang Hao and Liu Feng and said: "I have collected the air sample in the taxi, and I will tell you the test results tomorrow." ”

"Well, okay, Ah Rong, there is my mobile phone number on it, and after the test results come out, you can call me directly." Zhang Hao handed his self-made business card to Donnie Yen.

"Well, don't worry, the test results are out, I'll tell you as soon as possible. It's not too early now, my wife is still waiting for me to go back at home, hehe, let's not talk about it yet, the three of us will have a few drinks together, I'll go first, bye-bye. ”

Donnie Yen took Zhang Hao's business card, put it away, and then left the garage with the collected air sample and toolbox and went back.

"Eh, Ah Rong, he is a strict wife?" Zhang Hao looked at Donnie Yen, who was leaving in a hurry, very depressed.

"Hehe, yes, he is not afraid of heaven and earth, but he is afraid of his wife. Fortunately, both of us are single, otherwise we will become strict wives. Hehe. Liu Feng said teasingly.

"Yes, it's better to be single, if we are a criminal policeman, if we have our own family, we are even more troubled, because we often stay outside, so we can't take care of the family, and if you are single, you won't have so many worries, and you will be much freer. Hey? By the way, Ah Feng, Ah Rong is in such a hurry to go home, so how can he complete what I asked him to do? ”

"You don't have to worry about this, Ah Rong is a research freak, and he has set up a laboratory in his house to facilitate his experiments, so you can rest assured."

After listening to Liu Feng's explanation, Zhang Hao was immediately relieved, after all, the test result was very important to him, as long as the test result was the same as the speculation in his mind, then he could solve the mystery of how the murderer made the driverless taxi suddenly accelerate.

Although he has not yet solved how the murderer disappeared into the taxi, he can do so if he is given some time. Although we can't know who the murderer is by solving these two points, we can at least know the murderer's modus operandi.

"The murderer is about 1.8 meters tall, left-handed, highly intelligent, rigorous in personality, and has his own set of principles for doing things." Zhang Hao suddenly muttered to himself.

"Huh? Ah Hao, we already knew that the murderer was a left-hander, but how did you know that the murderer was about 1.8 meters tall? Liu Feng heard Zhang Hao's words and looked at him in surprise and puzzlement.

"Huh? Oh, and you look at the distance between the driver's seat and the steering wheel, as well as the clutch, brakes, and accelerator. ”

According to what Zhang Hao said, Liu Feng stepped forward to the taxi, looked at it carefully, and after a closer look, he reacted: "Ah Hao, I see." The driver's seat is reclined, increasing the distance from the steering wheel, as well as from the clutch, brakes and accelerator. We have seen Zhu Zijian's body before, his height is only about 1.65 meters at most, with such a distance, his feet are not enough to step on the clutch, brake and accelerator, which also proves that the previous car was not driven by Zhu Zijian, but the murderer himself. ”

"That's right, I tried before, and it was just right to sit in the driver's seat with my height of 1.82 meters, so I can be sure that the murderer is about the same height as me, and he won't be very old."

"Oh? How do you see age? ”

"If you want to move the body of Zhu Zijian, a young man, an elderly person can't move it, and it's unlikely to be too young, because he doesn't have that rigorous mind, so the age of the murderer is about between youth and young adult, although middle-aged people have the strength to move the body, but their IQ will definitely not be very high, because when they reach middle age, their mental activity will drop a lot compared to that of young and young adults."

Zhang Hao looked at the taxi in front of him, and then reasoned and analyzed. He always had a feeling that behind all kinds of events, there was a terrible truth hidden!!