Seeing Xia Shi tiredly holding a cigarette in his mouth, looking like he was about to fall down at any time, Meng Yu was a little unbearable. He gently patted Xia Shi on the shoulder and said with concern: "Xia team, you haven't slept for two days, hurry up and go back and rest." Deng Jun will just leave it to me and Xiaowei. ”

"It's okay, I'll be able to hold it." Xia Shi took a hard puff of cigarette, cheered up, and looked at Deng Jun who was restless in the interrogation room through a single perspective glass, not only did he not have any sense of accomplishment, but felt that things were getting more and more wrong. "Oh no, this guy is going to disappoint us."

"Team Xia, what do you mean by that?" Meng Yu asked puzzledly, "Could it be that you don't think he's a murderer?" ”

"Deng Jun's personality traits are too different from Mr. Huo's analysis, it's hard for me to imagine that he is the perverted murderer we are looking for."

But excluding the number one suspect Ma Zhichen, Deng Jun's suspicion of committing the crime is currently the biggest one. Besides, psychological profiling technology can only be used as an auxiliary means to solve cases, and in many cases it is unreliable. I think we should still put more effort into Deng Jun. ”

Xia Shi didn't want to argue with Meng Yu about this issue, after all, not everyone recognized and accepted this seemingly illusory social science like him, but in fact it had a wide range of application space and research value. Now that the person has been brought back, no matter what the outcome is, of course they have to interrogate them properly. "By the way, the few clothes you got back from Deng Jun's house, have they been tested for bloodstains?"

"Nope." Meng Yu shook his head regretfully, "But that doesn't mean anything. Perhaps he took some precautions when he committed the crime, and there was no trace of the victim's blood on his body at all. However, Deng Jun was definitely not at home when Xu Zilin was killed, this was what his wife said herself. As for whether he went to drink with his friends, or whether he went somewhere to do something unseemly, we will find out when we go in for interrogation. ”

The two were chatting, and Xia Shi suddenly received a call from Qi Ruonan. Hearing that the technical team had found new clues, he hurriedly replied, "I'll come over immediately", and then hung up the phone and told Meng Yu: "Pay attention to the way of questioning when negotiating with Deng Jun for a while, after all, we don't have any evidence in our hands." ”

"Don't worry, boss, I promise to let him be honest." Meng Yu replied confidently, seemingly naïve to think that they were not far from solving the case.

A few minutes later, Xia Shi walked into the office, and Qi Ruonan immediately beckoned to him and said, "Brother Xia Shi, come and take a look, I think this person's behavior is very suspicious, and it may be the murderer who tracked and killed Xu Zilin." ”

Xia Shi walked to Qi Ruonan's side, dragged a chair and sat down, Qi Ruonan explained while playing the video: "Although there is no monitoring probe in the place where Xu Zilin set up his stall, it is impossible to determine the way he contacted the murderer, and it is impossible to know whether he has had a conflict with the murderer, but on the way home of Xu Zilin, there are several surveillance footage of him riding a three-wheeled motorcycle.

"This was at 22:34 last night, Xu Zilin rode through the first surveillance. At that time, there were very few pedestrians on the road. Qi Ruonan said and pointed to another man riding an electric car on the screen, in addition to Xu Zilin. You see, this person is wearing a black shirt and black pants, a hoodie and a hat on his head, and a black mask on his face, and he doesn't look like a passerby who happened to pass by. ”

"Are you sure he's following Xu Zilin?" Xia Shi asked.

"Hmm." Qi Ruonan nodded and switched the screen to another surveillance, "At 22:37, when Xu Zilin passed through the third surveillance, due to the bumps in the road, a black plastic bag on his car fell on the road, and it is estimated that it contained ingredients or condiments or something. He immediately stopped to pick up his things and checked, and was delayed for about a minute before getting back on the road. Under normal circumstances, the 'Man in Black' following him would have overtaken his tricycle during this time, riding farther and farther.

"But you see, this person was unhurriedly monitored after Xu Zilin got back on the road, which means that he stopped somewhere and waited for Xu Zilin for a whole minute. In the subsequent surveillance footage, this person always followed Xu Zilin not far away, until Xu Zilin arrived near Tianhe Community, and the two people lost their traces one after another. So I think that this person is likely to be the murderer of Xu Zilin. ”

"After the incident, what happened to the man in black? Did the surveillance capture it? ”

"Nope." Qi Ruonan let go of the mouse, leaned back on the back of the chair and replied with some dejection, "At least he didn't go back the way he came." The road conditions around Tianhe community are complicated, and it is not sure which way he escaped from. ”

Xia Shi thought for a moment and said, "Seeing that he covers his face so tightly, it is estimated that it is useless to find someone." We had to try to find the electric car. ”

"The electric car is much more difficult to find than the car, and the license plate of the car is deliberately obscured, so it is not clear at all. I didn't expect this guy to be quite cunning, and his routine was deep. The more Qi Ruonan spoke, the more angry he became, and his round little face turned crimson. Thinking that it will be the National Day and Mid-Autumn Festival holiday from tomorrow, she and her colleagues are working overtime because of a perverted murderer, and she can't wait to pull the suspect out of the computer screen and tear it to pieces.

As the main person in charge of the case, Xia Shi's mind only thinks about catching the murderer, and all the holidays are floating clouds for him. He asked Qi Ruonan to deal with the suspect's electric car more clearly, and find out the scratches, bumps and other trace features on the body, so as to facilitate future search and comparison. In addition, he thinks that it is also a good way to solve the case by checking the stolen vehicles in the last two days.

Late at night, R University of Municipal Law, dormitory building No. 4.

Xia Jinyu stood in front of the door of the 512 dormitory, groping in her schoolbag for a long time before finding that she didn't have the key. Thinking that his roommates had gone home from vacation, he knocked on the door a few times without any hope, and was about to go downstairs to find the dormitory manager to get the key, when a very vigilant voice suddenly came from the dormitory and asked, "Who's outside?" ”

"It's me, Xia Jinyu."

"Ahh......h A few seconds later, he cautiously opened the door, leaned out half of his body and looked into the corridor a few times, looked at Xia Jinyu suspiciously, and asked, "Aren't you kid going home?" Why did you come back in the middle of the night? ”

"I ......" Xia Jinyu was stunned for a moment when asked, and said that the dormitory is not yours alone, I think when will I come back and have to say hello to you in advance?" It's not interesting for me to stay at home by myself, my parents and my brother, they all ......."

"Come in!" Before Xia Jinyu finished speaking, An Ziyang grabbed his arm and dragged him into the bedroom, and quickly closed the door. Due to the suddenness of the incident, Xia Jinyu's body instantly lost balance, staggered a few steps, and almost hit the wardrobe not far from the door. When he stood firm on the cupboard, he noticed that something was wrong with the atmosphere in the room.

There was no light in the bedroom, only a few flickering candles on the desk on the left hand side of the door, a beautiful birthday cake in between, a bouquet of pink and white carnations next to it, two glasses full of red wine, and a photograph standing in a very prominent position on the desk. Affected by the light and distance, Xia Jinyu couldn't see the face in the photo clearly, but it was undoubtedly an older woman.

"Today is ...... Your elder's birthday? Xia Jinyu carefully considered the words, because judging from the layout of the scene, An Ziyang didn't seem to be celebrating the birthday of a living person.

"Well, the person in the picture is my mother." An Ziyang replied lightly.

"Then she ......"

"She's gone......"

"I'm sorry......" Xia Jinyu showed a regretful expression, and didn't know what words to say for comfort for a while.

An Ziyang didn't want to embarrass Xia Jinyu, so he barely squeezed out a wry smile and said, "Today is her first birthday after she left, and I don't want her to spend it alone in the world over there." I thought you were all going home for the holidays, so you ...... in the dorm."

"I'm sorry to bother you." Xia Jinyu said apologetically to An Ziyang.

"It's fine." An Ziyang showed a look of indifference, and grabbed Xia Jinyu's shoulder and said, "Since you're back, sit down and have two drinks with me." ”

In Xia Jinyu's impression, An Ziyang is always giggling, grinning, and looks a little heartless, all his friends around him take him as a pistachio, and the teacher likes him very much. If it weren't for today's scene, Xia Jinyu might never have known that this fat boy with a simple and happy appearance lost his mother forever in the past summer vacation.

On the evening of May 5, 2013, An Ziyang's mother was in a mishap on her way home from work. While crossing the street, she was hit by a BMW sedan that ran a red light and suffered serious head injuries. Although she was temporarily out of danger after the doctor's hard work, she unfortunately became a vegetative person and lay in the hospital for more than four years.

At the time of the accident, An Ziyang was in his third year of junior high school and was about to face an important entrance exam. He couldn't accept the cruel reality that his mother had become a vegetative state, and he was sick for more than a month, almost missing the high school entrance examination that year.

For many days and nights, he looked forward to his mother opening her eyes again, and hoped that the family of three could sit together as before, eating and chatting about the trivial things of life. His father always complained that the work was hard and it was not easy to make money, while his mother kept nagging him to study hard and be admitted to a prestigious university in the future and find a decent job.

But the doctor's words plunged him into deep despair. He knew in his heart that no matter how much he prayed, there was little hope that his mother would wake up again.

At 2:19 a.m. on August 2, 2017, An Ziyang's mother died of multiple organ failure at the age of 45.

The moment he unplugged the ventilator, An Ziyang's heart seemed to stop beating with his mother's departure. But soon, emotions stronger than sadness quickly filled his heart, and he felt the blood burning all over his body, and a flame called "anger" was wrapped around him.

Yes, someone has to pay for the mother's death.

From beginning to end, the driver who caused the drug driver did not apologize to him and his family in person, even if it was only once, so that his life would not be so difficult. Why is it that a person who has made such a serious mistake and destroyed a happy and complete family can live shamelessly in this world without any remorse, is it really so difficult to say "I'm sorry"?

You blame me for being unrighteous if you are unkind. An Ziyang no longer believes that good people will live a safe life. Since you ruined my life, then I will also ruin yours, and only then can it be considered fair.