Street Park.

When Han Bin arrived at the scene, a cordon had already been set up around.

There were a lot of people watching the morning exercise outside.

Zeng Ping, Li Hui, and Zhao Ming have already arrived at the scene.

"Team Zeng, what's the situation?" Han Bin said.

"The victim, Zheng Wen, 31 years old, a teacher, was running at night in the street park at about half past eight last night and was stunned from behind and assaulted. ”

"Is this the location?" Han Bin asked.

Zeng Ping nodded: "After being stunned, I dragged it to the path next to the bushes, committed the assault, woke up at four o'clock in the morning, and called the police." ”

"How's the victim doing?"

"It's no big deal, I'll let Tian Li take her back to the bureau. ”

"Did she see the suspect?"

"At that time, the suspect should have been hiding next to the bushes, and after she ran over, she controlled and stunned from behind, and she didn't see the suspect's appearance. ”

"Didn't hear any unusual movements?" asked Han Bin.

"When she runs at night, she listens to music with headphones on. ”

"Did the suspect leave any evidence?"

"On the victim's thigh, white genetic material and two unknown hairs were found, which have been sent for identification. Zeng Ping said.

"Isn't this all alive? Li Hui said.

"The DNA database is the best to compare, and if it can't, you have to find other clues. Zeng Ping instructed: "Li Hui, you can inquire about the employees of the park and the masses who are exercising in the morning." ”

"Zhao Ming, you look up the nearby surveillance, if there are any suspicious people. ”

"Han Bin, you check the scene and see if there are any new clues. ”

"Yes. The people promised.

......

Everyone split up and was busy all morning.

At two o'clock in the afternoon, I returned to the police office for a meeting.

Zeng Ping sat on the table and said, "Let's talk about it, what have you found." ”

"On the victim's side, I asked everything I should ask, but my mood was still a little unstable, so I asked her to rest in the reception room. Tian Li said.

"There were no visible footprints at the crime scene, and there were no obvious climbing marks around the park. Han Bin said.

"What about surveillance?" Zeng Ping asked.

"There are surveillance at the front and back doors of the park, and there are a lot of people coming in and out, and it is very difficult to check the identities one by one. Zhao Ming said.

"Li Hui, how are you over there?"

"Zeng, the staff of the park arrived at night, most of them were off work, only two janitors, and they didn't notice anything abnormal. Li Hui said.

"Are there any clues to the masses who are exercising in the morning?"

"Those who exercise in the morning and those who run at night are not a group of people at all. Li Hui spread his hands.

That means there are no new clues to the case. Zeng Ping frowned, took out a box of Yuxi and distributed it to everyone.

Han Bin lit a cigarette, took a puff and asked, "Is there any news from the trace examination?" ”

"Tian Li, you go to the trace examination room and ask. ”

......

Not long after, Tian Li returned, followed by a man wearing glasses and a white coat.

"Yo, glasses, it's rare, I'm finally willing to leave the laboratory. Zeng Ping said with a smile.

The man used his fingers and held his glasses: "Team Zeng, I specially reported the progress of the case to you, if you want to say so, I will leave." ”

"Come back, I'm kidding you. Zeng Ping said.

The man nicknamed the glasses, named Lu Wen, is a technician in the trace examination room and one of the few short-sighted people in the police department.

"The suspect left little evidence at the scene, only white genetic material and two hairs were collected, among which samples of genetic material have been extracted and sent to a DNA database for comparison. Leuven said.

"How did the suspect get stunned?" asked Han Bin.

"Ether. ”

"Ether is regulated, where did he get it?" Zeng said.

"That's your job. Leven shrugged his shoulders.

"Didn't you have a valid fingerprint?" asked Han Bin.

"Nope. Lu Wendao.

"I asked the victim that when she was stunned, she sensed that the suspect was wearing gloves, but as for what happened next, she didn't know. Tian Li said.

"How long will it take for the DNA comparison to come out?" Zeng Ping asked.

"It's hard to say, it depends on luck, and it may not be comparable to success. Lu Wendao.

"Notify me as soon as there is news. Zeng Ping said.

"Yes. Lu Wen replied and left.

"Everyone has understood the progress and clues of the case, and if you have any ideas, you can talk about them. Zeng Ping said.

"Ether is a contraband and cannot be bought in ordinary pharmacies, so the source of ether can be used as the direction of investigation. Tian Li said.

"You can continue to investigate and monitor, and the people who appear during the time period of the crime and those who meet the conditions for committing the crime have a certain suspicion. Li Hui said.

"Interview the crowd exercising at night to see if there are any witnesses and new clues. Li Hui said.

Zeng Ping nodded: "The summary is good, the current direction of investigation is indeed to start from these three points, if there are no other problems, let's start to assign tasks." ”

"Well, you're waiting for us here. Li Hui smiled bitterly.

"The line where the ether comes from, I personally investigate. Zeng Ping glanced at the crowd and continued: "The four of you check the surveillance during the day, and go to the street park at night to investigate and visit the masses. ”

"This task is a big one, how to find an investigation method?" Li Hui frowned.

"The time of the crime was around half past eight last night, and after this time period, the men who left the park were suspected of committing the crime and had to be listed as the target of investigation. Zeng Ping said.

"Team Zeng, I want to talk to the victim and see if there are any other clues. Han Bin said.

"Yes. Zeng Ping nodded and advised: "The victim's mood has not recovered yet, let Tian Li accompany him." ”

"Yes. ”

......

Kotoshima Branch, Reception Room.

There was a muffled "creak...... sound.

Tian Li and Han Bin entered the reception room.

On the sofa sat an intellectual woman, dignified and well-proportioned, with tears on her face.

"Teacher Zheng. ”

Zheng Wen raised her head, looked at Tian Li and Han Bin, and nodded slightly.

"Mr. Zheng, this is Officer Han of the Criminal Investigation Team, and he wants to ask you some questions. Tian Li introduced.

"What's the problem?" Zheng Wen said.

Han Bin sat down opposite and said, "Teacher Zheng, do you often go to Jiexin Park to exercise?"

"Yes. ”

"Do you usually go alone, or do you go with friends?" Han Bin said.

"I can't say exactly. ”

"Have you ever been followed or spied on when you used to run at night?" Han Bin said.

"Nope. ”

"If you think about it, are there any other clues?"

"No, no other clues. Zheng Wen said.

According to micro-expression analysis, blunt repetition of questions is typical of lying

Han Bin frowned, if the victim concealed the clues, it would be very detrimental to the investigation.

"Mr. Zheng, do you still have new clues that you haven't told the police?" Han Bin said.

"I know everything, I told the police. Zheng Wen leaned back, clasping her hands on her chest.

This is a typical psychology of defensive resistance, Han Bin is even more sure that Zheng Wen has concealed clues.

"I know that this incident hurts you a lot, and you may not want to remember it again, but if you hide the clues, you can't catch the suspect, and he will hurt other people. Han Bin said.

Zheng Wen closed her eyes, her expression changed again and again, and said, "He snatched it, my underwear." ”