Chi Dongxu nodded, then waved his hand to gather the people, and said simply: "The murderer is about one meter eight tall, male, strong and powerful, does not pay attention to hygiene, should be very familiar with the environment here, and his hair is slightly long, which should give people the feeling of covering his eyebrows...... When investigating, pay attention to such people. ”

Wang Cheng Daye said in a low voice: "Is this the portrait of the murderer?" ”

Chi Dongxu didn't answer, and directly continued to arrange the work: "First check the personal relationship of the deceased......

He arranged it all the way, and without thinking, Ruan Xilin came out with Wang Cheng Daye, and Wang Cheng Daye couldn't help but ask again: "Is this a portrait of a murderer?"

"You mean profiles?" Ruan Xilin said, "No." The profile is based on the modus operandi, scene layout and other physical and psychological traces, to analyze, and then portray the most likely characteristics of a suspect, to put it bluntly, to help the police narrow the scope of the search. But Chi Dongxu, he is completely based on evidence, such as one meter eight, he distinguishes through the traces on the wall, such as strength...... I didn't listen to the results of the forensic examination, and I felt that it might have been the attack. ”

Wang Cheng Daye sighed, Ruan Xilin said: "Don't understand? Let me give you an example, the deceased was shot in the back and hit the vital point, and inferred that the other party was trained in this area is normal criminal investigation reasoning, inferring that the other party is a person known to the deceased, or inferring that the other party is flawed, is profiling." ”

Wang Cheng nodded again and again: "Understood." ”

"Well," she said, "then work." ”

Preliminary investigation is actually a simple process of screening, usually a case, the surrounding area always has to go through three or five times. Many of the neighborhoods are bungalows, the terrain is complex, there are almost no cameras, and when I asked a few houses, they all said that they didn't hear any sound, and they didn't see anyone passing by.

Ruan Xilin was not surprised, seeing that there was a raw chicken shop in the front corner, a large pile of chicken feathers at the door, and a strange smell of boiling water scalding chicken feathers, and an old man who looked to be fifty or sixty years old was sitting in Maza, fading chicken feathers in front of the door.

Ruan Xilin stepped forward and said, "Uncle, hello." ”

She didn't say anything, and the old man said, "Get out!"

Ruan Xilin was stunned for a moment, and then tried to continue: "We are policemen, and we want to find you a little bit of information." ”

The old man glared and said, "If it's not the police, I won't scold! The police don't have a good thing! Hurry up!"

That's right! It's him! He was the one who talked to Lin Mingrui last night! That kind of rough voice and weird accent is definitely him!

Ruan Xilin frowned, and Wang Cheng Daye hurriedly said: "Uncle, we are not bad people, we just need to understand the situation." ”

"I said fuck off, you didn't hear!" The old man lifted the basin, the two of them hurriedly retreated, and the chicken feathers splashed hot water on the ground, the old man stood up and said: "Get out, if you don't get out, I'll smoke it with a big broom! What the hell! Get out of here!" He swore and slammed the door in.

Ruan Xilin hesitated for a moment, thinking about whether to try or not to use negotiation skills, but there was obviously a lack of information.

So she took Wang Cheng Daye directly and left. After a routine question from another alley, Ruan Xilin asked more: "The uncle of the chicken shop over there, do you know what happened to his family? ”

The man waved his hand: "I don't know, that person is like taking gunpowder all day long, arguing with everyone." ”

After checking all the way, there was nothing to gain, and when he was leaving, Ruan Xilin deliberately went back to take a look, and the door of the raw chicken shop was still tightly closed.

Back in the bureau, everyone first held a brief case discussion meeting.

Judging from the situation at the scene, the murderer left countless traces, such as cigarette butts, murder weapons, fingerprints, tooth marks, including sexual assault, and did not wear a condom. But it is not right to say that he is unscrupulous, judging from the cigarette butt, he waited in that place for at least half an hour, and that alley is rarely walked, so it can be basically inferred that the murderer is waiting for Yu Zhushi.

Wu Liang and Heipi were in charge of asking Yu Zhushi's husband, and said: "According to Zhou Jie, Yu Zhushi usually takes a day to visit her mother on Monday or Tuesday, and after cleaning up, it is almost at eight o'clock, or half past eight. ”

Zhou Leiluo's expression was a little strange: "When we asked, two people said that they saw an outsider coming, and another person provided the license plate number, and we checked it...... Guess who?"

Ruan Xilin couldn't help but glance at Chi Dongxu, and Chi Dongxu said in a deep voice: "Say it directly!"

Zhou Lei said: "Xiao Nuan just remembered that it was Lin Mingrui." ”

Tang Chao also said: "I'm going to have the monitoring permission, and I did see Lin Mingrui's car passing." ”

Ruan Xilin thought about it carefully, when they were eating, although it was difficult to say the time, it should be around half past seven, and at that time, Lin Mingrui was driving, that is, he should have left Caichang Street. And the time of the murderer's death was after half past eight, so it should theoretically be okay.

But it is not ruled out that he has seen the murderer, after all, the raw chicken shop is just a row of houses away from that street.

Mostly, this is the only anomaly in the troubleshooting.

Chi Dongxu didn't make a concluding speech for the time being, and said, "Go over and ask him first." He glanced at Ruan Xilin, who quickly followed, and in his ear, he told him about the raw chicken shop.

Chi Dongxu said: "Hate the police?"

Ruan Xilin nodded, and he said, "Okay, I know." Where did he put the bugging?"

Ruan Xilin looked at him, and suddenly had a feeling that she was in trouble and he was sweeping the tail, and he was a little embarrassed, so he turned his face away: "In his hat." ”

Chi Dongxu snorted. The two knocked on the door, but it turned out to be Wen Shizhuo who came to open it, and when they saw them, they were stunned: "Team Chi, I was just thinking about going over to find you." ”

Chi Dongxu asked, "Looking for me?" While walking inside, Wen Shizhuo took a few steps back to let them in, and asked, "Are you here for that case?"

Chi Dongxu was stunned for a moment, and Ruan Xilin said: "Professor, wait, are we talking about the same thing? We are here for a case, but we are here to find Brother Mingrui to understand the situation, not to you." Which case are you talking about?"

Wen Shizhuo was also stunned, glanced at Lin Mingrui, and Lin Mingrui looked up in astonishment.

Wen Shizhuo said: "That's the case, we received a rape case a few days ago, to be exact, three days ago, just now Gao Hanhua called me and said that your team also received a case today, and in these two cases, the fingerprints and semen left by the murderer are from the same person." ”

From the same person?, Ruan Xilin's eyes widened.

Chi Dongxu said: "Where is your case?"

Wen Shizhuo said: "In Su City." ”

Ruan Xilin and Chi Dongxu were a little surprised. Although they are not good at portraits, they also have a general understanding in their hearts, such as being very familiar with the surrounding ring mirror, so they perfectly avoid all cameras and people, in this case, it is generally enough to check the residents within five kilometers of the surroundings. But now, there is another one in Suchengli, one in Zhifu District, and one in Fushan District...... Then the previous perception needs to be reconsidered.

Chi Dongxu was very decisive and said, "Then let's cooperate once?"

Wen Shizhuo said: "Okay, I'll report to the Zhou Bureau." While picking up the phone, he compared with Lin Mingrui: "What are you looking for Mingrui? ”