National Forensic Doctor

"Chen Nuan is dead? Impossible!"

In the interrogation room, the victim's husband, Jin Quan, shook his head vigorously, making the interrogation chair rattle.

Meng Chengbiao said solemnly: "The body has been found. It was compared with the DNA of her family members and with Chen Nuan's DNA obtained from your home. They all matched."

"I don't understand what you're talking about. I was in contact with her last month. It's impossible that she's dead." Jin Quan looked a bit old. If you didn't look at the ID, you would think he was in his thirties. His hands were also covered with calluses, and he clenched his fists tightly, trying to hold back his grief.

Meng Chengbiao was unmoved and asked, "When was the last time you contacted her."

Jinquan: "Well...it was the 25th of last month."

Meng Chengbiao lowered his head and confirmed the victim's time of death. Jiang Yuan identified it as the 17th of last month. Based on Jiang Yuan's error in judging the time of death, the victim should have been dead at the contact time mentioned by Jin Quan.

From this point of view, either Jinquan was lying, or the murderer was chatting on the victim's cell phone.

Meng Chengbiao was very calm. He had experienced it many times, whether it was the murderer pretending to be the victim or the murderer pretending to be the murderer pretending to be the victim.

Meng Chengbiao only asked calmly: "You said you contacted Chen Nuan on the 25th of last month. How did you contact him?"

Jin Quan replied: "WeChat."

Meng Chengbiao: "What did you say?"

"We had a few arguments. She said she wanted to work abroad with her friends. I said not to go, but she didn't listen to me. I told her not to go out to work before, but she didn't listen. I said I made enough money to spend. , and she said the money owed was too much. I said it was not the money for the bride price, but she said it couldn’t be calculated like that..." When Jin Quan talked about this topic, he rambled endlessly, almost forgetting his own situation. .

Naturally, Meng Chengbiao would not interrupt him and let him vent to his heart's content while making a few notes in the notebook in front of him.

After waiting for Jin Quan to finish speaking, Meng Chengbiao asked again: "Tell me, what have you been doing these days before the 25th? Have you met Chen Nuan?"

"I work part-time at the construction site, and occasionally send messages to my wife... We haven't met, and I asked her to come work at my place, but she didn't want to..." Jin Quan's desire to talk became visibly stronger.

From Meng Chengbiao's point of view, Jin Quan in this state does not look like a murderer. It can only be said that the man in front of him is not a good husband recognized by mainstream society, but the probability of being a murderer is not high.

At the same time, the policeman who was assisting next to him also lit up Jin Quan's mobile phone, took a look at several passwords posted on the back of the phone, entered them quickly, then opened WeChat and began to check the chat records between Jin Quan and Chen Nuan.

What can be found out during interrogation has a lot to do with verifying evidence. As the saying goes, it takes countless lies to cover a lie. And a series of lies is difficult to hide.

In Jin Quan's mobile phone, there will not only be his chat history, but also map address records, shopping records, cell phone base station records, etc. If you check it carefully enough, you can almost completely flatten a person's day. on mobile.

With such evidence verification, the lies that normal people can make up during interrogation are limited. Coupled with the deterrent effect of powerful agencies, they will basically have to spit out their lies in the end.

The same experience is actually suitable for arguments between male and female friends. Find a meeting recording software, and use it with a mobile phone and other sound collection devices. You can retrace every sentence, determine the authenticity, and organize a debate, although the relationship may break up because of this. , but the outcome can be determined.

monitoring room.

Liu Jinghui's expression was more serious and rich than Jin Quan's.

From his personal experience, the probability that Jin Quan is the murderer is indeed not high.

After a while, feedback from all parties also proved Liu Jinghui’s conjecture.

"Jin Quan was working on the construction site around the 17th of last month. He was responsible for clearing dust. There were six people in a team. It is unlikely that there would be fewer people. Without people, the work would not be completed."

"The people at their construction site are all from the same hometown and are relatively familiar with each other. They work in the dust at night, rest during the day, and play cards in the afternoon. They have very little time to go out. It is basically impossible to return to their hometown."

"Chen Nuan used the ID card of a cousin, and the phone number was also obtained through this ID card. She has a brother and a sister, so she has been a gangster for a long time..."

"At present, Chen Nuan should have gone to Changle City to work and live for a period of time, during which time he changed his mobile phone card to a new one,"

The information was summarized one by one, and a chain of evidence was gradually formed.

Using the duck theory, when a person buys a ticket and goes to a certain place, books a hotel in a certain place, a mobile phone signal appears in a certain place, takes out food and takes a taxi in a certain place, and there is even a surveillance video that confirms her date of a certain month in a certain year If she appears in a certain city at a certain time, she most likely went to a certain place.

Similarly, if a person has various information to prove that he did not go to a certain place, then there is a high probability that he did not go to a certain place.

If we want to think about this issue from a mysterious perspective, is it possible for Jinquan to go and then return and kill people secretly? Is it possible for Chen Nuan to send someone to Changle City with a complete set of identity documents? It is not impossible, but , if you want to put forward such a theory, you need stronger evidence to prove it.

Even Liu Jinghui, who has seen and handled many mysterious cases and conceived even more mysterious stories, but based on the current evidence, he has to conclude: "Jin Quan is probably not the murderer."

"Jin Quan's parents don't have time to kill people." Jiang Yuan analyzed along the lines of interpersonal relationships.

Liu Jinghui nodded: "They have been asked to confirm the situation of several close relatives and interested parties of Jin Quan, but at present, the probability of the man killing someone is low. Although the deceased Chen Nuan had conflicts with her husband's family, she did not follow Jin Quan's ideas. She stayed at home, but after all, she didn’t file for divorce. At present, her husband’s family probably doesn’t have enough motive to kill.”

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The purpose of searching for the source of the corpse is to find the murderer based on the interpersonal relationships of the deceased. As for Chen Nuan's situation, the most likely murderers are the Jin Quan family.

The suspect was gone, and the case instantly returned to a confusing state.

"Where is the Chen family?" Jiang Yuan looked through the information.

Liu Jinghui slowly shook his head: "The Chen family is in the same situation. There is no motive for murder. Judging from the current case, the most likely factors that will lead to Chen Nuan's death are either financial factors or emotional factors. If Chen Nuan chooses to divorce If they remarry, under the current circumstances, the Chen family can easily obtain more than 200,000 to 300,000 yuan in betrothal gifts. Even if part of the previous betrothal gifts has to be refunded, at most only half will be refunded. In this way, the Jin family is economically She will be damaged, and she will probably be emotionally hurt, but this is all based on the premise that Chen Nuan files for divorce."

Liu Jinghui patted the information in front of him gently with his hand, and continued: "Chen Nuan is a weak woman. If she wants a divorce, she must get the support of her mother's family. From what we know, Chen Nuan is not very strong. Personality, during the time when he lived in Yuefeng Village where the Jin family lived, his personality was relatively gentle... Judging from the feedback from the Chen family, Chen Nuan did not talk about divorce, and the dissatisfaction he expressed was mainly based on Economic situation..."

"The living conditions in the village are definitely not very good." Jiang Yuan is well aware of this. Jiangcun was considered a big village before it was demolished, and overall the living conditions are not as good as the current Jiangcun community.

Liu Jinghui nodded and said: "However, the conditions of Chen Nuan's own family are even worse. All the gifts her sister received for her marriage were used for her brother's marriage, which was not enough. Moreover, the money she owed was paid back with Chen Nuan's money from her marriage. . Therefore, when Chen Nuan lived at home, his living conditions were not as good as those of the Jin family, but he was still able to adapt to Yuefeng Village."

Wang Chuanxing said from the side: "From the information we collected, many people in Yuefeng Village go out to work, so people still don't like living in the countryside. This should also affect Chen Nuan. There are many young couples in Yuefeng Village. They went out to work together, but the construction site where Jin Quan is located has high wages and poor conditions, which is not suitable for a young couple to work together, so Chen Nuan was left in his hometown, and the two had many conflicts in this regard."

"The little girl prefers to live in the city. At least, she doesn't want to live with her mother-in-law." Liu Jinghui summed it up in one sentence and said: "There are conflicts, but they will not lead to death."

"In this case, the road of interpersonal relationships will not work?" Wang Chuanxing sighed longly: "If it is a random killing, it will be troublesome."

The theory of searching for the source of a body in a drowning case is similar to that of dumping a body, both of which are based on the premise that the suspect does not need to do a lot of unnecessary work. To a certain extent, a drowning case is actually a case of a body thrown into the water, but because the body moves with the water, it further increases the difficulty of finding the source of the body.

And such a case would be too difficult to detect if it was a random killing.

Of course, any random killing without purpose is difficult to detect, which is one of the reasons why you must be on guard when encountering a serial killer.

Jiang Yuan shook his head slightly at this time and said: "It is true that random killings cannot be ruled out, but I think we should not consider random killings for the time being. How is the situation at Chen Nuan's working place and how are the newly established interpersonal relationships?"

The main physical evidence in Chen Nuan's case was a corpse and the clothes he carried with him, which Jiang Yuan had carefully examined. Based on what he knew so far, Jiang Yuan did not think he could find the murderer through physical evidence.

In other words, if it were to be considered a random killing, the case would basically be shelved. If we want to solve the case later, either the murderer has committed another crime, or he has committed a crime before and the case can be merged, or there is other evidence later, or other witnesses emerge. Otherwise, it will be extremely difficult to solve the case. Yes, maybe it will go up to LV6.

Faced with this situation, Jiang Yuan's idea was naturally to exhaust other possibilities first.

If other possibilities are no longer possible, let’s talk about LV6.