When Xu Lang asked Liu Changhong, Ning Yanran had already arranged for someone to go to Sun Xiaomei's house, extract Sun Xiaomei's biological sample, and come back to do DNA comparison with the corpse.

Ning Yanran and Zhang Lei stood outside the interrogation room, looking at Liu Changbo with a painful face in the interrogation room, Zhang Lei opened his mouth and asked, "Could he be the murderer of his wife?" ”

Ning Yanran shook her head and said, "He's not a murderer. ”

"Why?" Zhang Lei asked.

Xu Lang happened to walk out of the interrogation room at this time, and after seeing the two people, he said: "First, he has no motive to commit the crime, and second, he has no time to commit the crime. ”

"Why doesn't he have a motive to commit the crime, kill his wife, and he can be with Chen Zhiyan." Zhang Lei retorted.

Xu Lang looked at Zhang Lei and asked, "What about the time of the crime?" ”

Zhang Lei was speechless for a long time before he said: "How can anyone stay in the mahjong hall for several days." ”

Xu Lang shook his head, lit a cigarette, and said, "For a gambler, let alone staying in a mahjong parlor for four days, it is possible for half a year. ”

"Then he doesn't eat or drink, only plays mahjong?" Zhang Lei continued to retort.

Xu Lang rolled his eyes and looked at Zhang Lei with the eyes of an idiot.

Zhang Lei was puzzled and asked suspiciously, "What's wrong?" Am I not right? ”

Xu Lang walked to Zhang Lei's side, stretched out his hand and patted Zhang Lei's shoulder, and said, "Look at you, you're an otaku." ”

Hearing Xu Lang say that he was an otaku, Zhang Lei's face suddenly turned red, Xu Lang was right, Zhang Lei is indeed an otaku, and when he is on vacation, he is at home playing on the computer or sleeping, which is a bit similar to Xu Lang.

Ning Yanran explained on the side: "The current mahjong parlor services are very comprehensive, fast food, tobacco and alcohol, including sleeping rooms, as long as you are willing to spend money, the mahjong parlor can meet all your needs." ”

Hearing this, Zhang Lei suddenly realized.

Ning Yanran didn't pay attention to Zhang Lei, but looked at Xu Lang and asked, "Now it is basically certain that the victim is Sun Xiaomei, and the suspect is Chen Zhiyan, do you want to interrogate Chen Zhiyan now?" ”

Xu Lang didn't speak, but asked: "In addition to the fingerprint traces left by Chen Zhiyan at the scene of the murder, are there any traces of other people entering the kitchen?" ”

Ning Yanran looked at Xu Lang and asked, "Do you doubt that Chen Zhiyan is not a murderer?" ”

Xu Lang rubbed his chin, looked at Liu Changhong in the interrogation room and said, "Chen Zhiyan is indeed a murderer, but I can't find the motive for the murder yet." ”

"Isn't this a blatant murder for love?" Zhang Lei interjected on the side.

Xu Lang turned his head, looked at Zhang Lei, and asked, "Then why didn't she kill Sun Xiaomei when she was with Liu Changhong, but chose to kill people now?" ”

Zhang Lei couldn't answer, and suddenly he said in a flash of inspiration: "Isn't Chen Zhiyan pregnant?" Will it kill people because of this? ”

Xu Lang was silent, but said: "Why is Sun Xiaomei so late at that time, and where is Chen Zhiyan going?" What is she going to do? ”

Ning Yanran and Zhang Lei shook their heads at the same time, they didn't know either, they wanted to know this, they had to ask Chen Zhiyan and Sun Xiaomei, Sun Xiaomei is now dead, and the only person who knows is Chen Zhiyan, so Xu Lang said: "Let's go, let's go and meet this Chen Zhiyan for a while." ”

Ning Yanran nodded, and the two of them walked to the interrogation room where Chen Zhiyan was being held.

When they came to the interrogation room, they did not rush to push open the door of the interrogation room, Xu Lang stood outside, looking at Chen Zhiyan in the interrogation room.

Chen Zhiyan was still dressed yesterday, she still didn't say a word, she kept her head down, not knowing whether to sleep or wake up.

Ning Yanran handed Xu Lang a copy of information, and Xu Lang took it and read it, this is an information investigation of Chen Zhiyan.

Chen Zhiyan, female, twenty-eight years old, a local, went to work in the factory after failing the college entrance examination, stayed in the factory for more than a year, and made little money, and then left the factory and went to work in Liu Changhong's barbecued pork restaurant, first as a waiter in the barbecued pork restaurant, and then Liu Changhong opened a barbecued pork shop on Changhong Street, she went there to be a store manager, and also bought a two-bedroom house near Changhong Street.

After reading it, Xu Lang asked, "Why is there nothing about Chen Zhiyan's love life on it?" ”

Ning Yanran took back the information from Xu Lang's hand and said: "She talked about a boyfriend in high school, she used to have a good academic performance, but she failed the college entrance examination because of her relationship, and after that, she followed her boyfriend to work in the factory, and the reason why she left the factory was because she broke up with his boyfriend." ”

"Except for her first boyfriend, she hasn't talked about her boyfriend again?" Xu Lang asked.

Ning Yanran shook her head, she was also a little puzzled, Chen Zhiyan was only twenty years old when she went to work in Liu Changhong, and according to Liu Changhong's explanation, when they were together, it was five years ago, when Chen Zhiyan was twenty-three years old, and in the intervening three years, Chen Zhiyan's love life was blank.

Xu Lang saw that Ning Yanran didn't know, so he didn't ask anything, but pushed open the door of the interrogation room.

The door opened, and Chen Zhiyan, who had always kept her head down, raised her head suddenly, and after seeing Xu Lang and Ning Yanran walking in, Chen Zhiyan took a deep look at Xu Lang, and then lowered her head again.

From the moment the door was opened, Xu Lang had been observing Chen Zhiyan, although Chen Zhiyan didn't say a word, and looked calm on the surface, Xu Lang could see that Chen Zhiyan's heart was very uncalm.

After Xu Lang and Ning Yanran sat down, Xu Lang looked at Chen Zhiyan and asked, "Why did you kill Sun Xiaomei?" ”

As soon as Xu Lang said this, Chen Zhiyan, who lowered her head, raised her head suddenly, and looked at Xu Lang in surprise, as if to say, how do you know that the deceased is Sun Xiaomei.

Xu Lang looked at Chen Zhiyan and said with a serious face: "Chen Zhiyan, don't think that if you don't speak, we won't be able to find out the truth, be frank and lenient, it's too late for you to say it now, otherwise..."

Xu Lang didn't continue, Chen Zhiyan understood what Xu Lang meant, and now confessed frankly and cooperated with the police investigation.

Seeing Chen Zhiyan's uncertain face, Xu Lang continued: "You don't think about yourself, you have to think about the child in your belly, you don't want to have a mother as soon as the child is born in the future." ”

Chen Zhiyan, who has been silent since entering the police station, finally broke through Chen Zhiyan's psychological defense line when she heard Xu Lang mention the child in her belly, she first looked at Xu Lang, then at Ning Yanran, and finally at the snow-white shiny handcuffs on her wrist, Chen Zhiyan's expression finally changed, the smoke ring was red, her nose was sore, and tears flowed down immediately.

Xu Lang and Ning Yanran glanced at each other and nodded, Ning Yanran stood up, walked to Chen Zhiyan, took out a pack of tissues from his pocket, and handed it to Chen Zhiyan.

After Chen Zhiyan took the tissue, she began to wipe her tears with the tissue.

Everyone has a fluke mentality, especially criminals, after committing a crime, they will feel frightened and uneasy, they will always hold a fluke mentality while they are in panic, hoping that the police will be similar to them, Chen Zhiyan is like this.

No one is perfect, and no one is indestructible, everyone has weaknesses, as long as you find each other's weaknesses, you can break through the opponent's psychological defense.

After Chen Zhiyan's psychological defense line was broken, she began to tell while shedding tears.

The relationship between Chen Zhiyan and Liu Changhong is indeed as Liu Changhong said, Chen Zhiyan is a third party and Liu Changhong's lover, but there is one thing that is different from what Liu Changhong said, that is, the time she and Liu Changhong were together was not five years ago, but when she first came to work in the barbecued pork restaurant.

At that time, Liu Changhong's wife Sun Xiaomei happened to be pregnant, Liu Changhong and Sun Xiaomei could not live a normal married life, and Chen Zhiyan, who was only 20 years old at that time, was not only young, down-to-earth and hardworking, but also very beautiful.

After Chen Zhiyan worked in the barbecued pork shop for three months, Liu Changhong went to the dormitory arranged for her on the grounds of teaching her the secret recipe of boiling, and forcibly had a relationship with her.

During this period, Liu Changhong forcibly had sex with her many times, and Chen Zhiyan also wanted to tell Liu Changhong's wife Sun Xiaomei, but since Sun Xiaomei became pregnant, she had a very strong pregnancy reaction, so she stayed at home and rarely came to the barbecued pork shop, which was basically Chen Zhiyan and Liu Changhong in the shop.

In this way, their relationship lasted until Sun Xiaomei gave birth to a daughter, Chen Zhiyan thought that since Sun Xiaomei gave birth to the child, Liu Changhong would let her go, but unfortunately, she was too naïve, the birth of the child not only did not make Liu Changhong give up his possession of Chen Zhiyan, Liu Changhong also intensified.

Hearing this, Xu Lang asked: "It's been so long since you had a relationship with Liu Changhong, the business of the barbecued pork shop is very hot, and your salary should be quite a lot, why don't you choose to leave?" ”

Chen Zhiyan wiped the corners of her eyes and said, "During that time, Liu Changhong didn't give me extra money every month except for basic living expenses. ”

"Then why don't you ask for help from home?" Xu Lang asked again.

Chen Zhiyan's face was gloomy, and she said slowly: "Since she failed the college entrance examination, she went to work in the factory and has not contacted her family anymore. ”

Xu Lang sighed and motioned for Chen Zhiyan to continue.

Later, as the sound of the barbecued pork shop got better and better, it became bigger and bigger, Liu Changhong watched his daughter grow up day by day, and knew that cheating with Chen Zhiyan on his wife's face was not a long-term solution, so he opened another barbecued pork shop on Changhong Street, and asked Chen Zhiyan to go to this shop as the manager.

As time passed, Chen Zhiyan saw that she couldn't get rid of Liu Changhong, so she gave up resistance, not only that, but she also gradually fell in love with this man who was twenty years older than her, and willingly became Liu Changhong's lover.

After Chen Zhiyan came to the barbecued pork shop on Changhong Street, Liu Changhong bought her a house near the barbecued pork shop in order to have a better affair with Chen Zhiyan, and Liu Changhong told Sun Xiaomei that Chen Zhiyan bought it with his own money.

Sun Xiaomei has always had a good impression of Chen Zhiyan, after all, during her pregnancy, she and her husband have been busy in the barbecued pork shop, not only making the barbecued pork shop bigger and bigger, but also opening a branch, Sun Xiaomei stays in the main store every day except for taking the child, and rarely meets Chen Zhiyan, so naturally she did not find the improper relationship between her husband Liu Changhong and Chen Zhiyan.

In this way, Liu Changhong lived the life of a husband and two wives, usually he was in the head office, accompanying his wife and children, whenever he had time, he would find an excuse to go to Chen Zhiyan's place and live in a two-person world.

After listening to Chen Zhiyan's narration, Xu Lang and Ning Yanran were in a very responsible mood, and they didn't know how to evaluate these three people.

Xu Lang looked at Chen Zhiyan and asked, "Why did you kill Sun Xiaomei?" ”

Chen Zhiyan raised her head, she was no longer crying, and when she heard Xu Lang's question, she said calmly: "I didn't kill her." ”

"You didn't kill it? Could it be that someone else killed it? Xu Lang asked.

Chen Zhiyan shook her head and said, "She fell in the kitchen, hit her head on the kitchen counter, and died accidentally." ”

Hearing this answer, Xu Lang and Chen Zhiyan looked at each other, they didn't believe in this result, but looking at Chen Zhiyan's appearance, it didn't look like he was telling a lie, and both of them looked at Chen Zhiyan.

So, Chen Zhiyan told everything that happened that night.