Chapter 603 Reasonable, Rational, Logical Guess

Under the premise of the assumption, the murderer is indeed the most likely one among the 65,000 people.

Chai Ziyi agreed, no problem.

Next, analyze the motive. Why did the patient of Doctor Xiang Shu have a conflict with Xiang Shu?

It is inseparable from the disease.

Xiang Shu is an associate chief physician of neurology. There are too many diseases related to neurology, headache, neuralgia, including insomnia, depression, etc., all can be registered in neurology.

In short, as long as the neurological disease does not require surgery, it is theoretically possible, and surgical intervention is neurosurgery.

Since it has risen to the level of murder, it can be seen that the grievances between the two parties are not small, but no medical accident has been found, no one has died, and no family members have come to the hospital to make trouble.

Everything is very calm, everything is normal, but Xiang Shu is dead, knocked unconscious and hanged.

Chen Yi: "Now we have to go against the norm and put aside traditional thinking, because A is also against the norm.

Let's not consider the authenticity, let's make a guess. We just talked about the murderer's murder method. Chai Zhi said that the murderer's relatives and friends may also have hanged themselves. Hanging is suicide, so under what circumstances would a person commit suicide?"

Chai Ziyi has a lively mind and can follow up: "Depression, and depression is one of the main diseases treated by neurology."

Hearing this, He Shixin and others wanted to say that all patients had been checked and no deaths had occurred, so suicide was not established, but they held back and did not say it out loud.

Chen Yi and Chai Ziyi are smarter than them, so it is better to remain silent at this moment.

Sure enough, Chai Ziyi immediately spoke: "If the murderer's related person hanged himself, then the fact that all the patients are still alive is not true.

We did not meet and confirm the 65,000 people one by one, we just called them, there is a possibility... the person who answered the phone was not the suicidal patient.

No, it's not just a possibility, it's very likely that the investigator responsible for the call could not confirm who was on the other end of the phone."

Chen Yi: "The logic is reasonable, right? Then let's continue. The next person is dance teacher Zhang Wenyang.

Since he is a dance teacher, then the unconventional interpersonal relationship is likely to come from dance. A is a dancer.

What kind of conflict will arise between a dancer and a dance teacher? Finding no connection can rule out most of the answers. Who wants to guess? As long as it is reasonable."

Everyone thought about it.

Dancers and dance teachers, the police can't find any related conflicts.

It's a bit difficult.

The first person to speak was not Chai Ziyi but Su Ying: "Zhang Wenyang participated in the national competition. The conflict may have arisen during the competition. A is not necessarily a contestant, and the two are not friends, so there is no connection."

Chai Ziyi looked at the forensic doctor of the special case team. This makes sense and is not far-fetched.

Chen Yi agreed: "Okay, let's do as Sister Su said, and a conflict arose during the competition.

The next person is Qiao Rui.

Qiao Rui's life was completely arranged. He was excellent from childhood to adulthood. After graduation, with the help of his family, he went directly to the tobacco industry and got a golden rice bowl that everyone envied. He had no worries about food and clothing in his life.

What conflict could a dancer with depression have with Qiao Rui?"

After Chen Yi finished speaking, Qin Fei immediately said: "Love murder."

Everyone turned their attention to Qin Fei, who added: "Dancers are mostly women, and their temperament and figure must be very good, and people with depression are more likely to take advantage of the situation. Qiao Rui used sweet words to develop a one-night stand with A, and disappeared the next day, which led to the conflict."

Chen Yi thought about it and felt that it was reasonable, so he adopted it.

So far, a complete speculation framework has been completed.

Of course, there must be many mistakes, or even all of them are wrong, but at least the rationality exists.

A, had a conflict with Zhang Wenyang in the dance competition, and later suffered from depression and went to the Economic Development Zone Hospital for treatment. It was useless to register Xiang Shu's number, and finally indulged herself with Qiao Rui.

If the murderer is A, then she wanted to commit suicide after killing everyone, and she also found three scapegoats before she died.

Or, the murderer was avenging A, and put the account on Zhang Wenyang, Xiang Shu and Qiao Rui, and played a drama of "I didn't kill Bo Ren, but Bo Ren died because of me", purely to vent anger.

Chai Ziyi went through the process, and it was still very difficult to confirm or exclude it.

One-night stand is definitely not found, Qiao Rui's hotel check-in records have long been mastered, and his private life is still very healthy, probably related to strict family education.

Only the dance competition can be checked.

All contestants and staff who appeared in the dance competition are compared with the patient list.

He was about to speak when Chen Yi spoke up: "Let's talk about the second possibility. The murderer or someone related to the murderer is codenamed B, and he is not Xiang Shu's patient.

Just now, Chai Zhi mentioned the Jiangcheng case. So referring to the Jiangcheng case, did B and the three victims experience something together, and did B have the idea of ​​killing because of interests or personal injury?

Chai Zhi has investigated this direction, but it is quite difficult, and perhaps he has not found it."

Chai Ziyi said: "This possibility is the most difficult to handle. It must be supplemented by investigation and mainly inferred. When it came to the Jiangcheng case, Chen Xun must have been very troubled at the time."

Chen Yi nodded.

The Jiangcheng case did rely mainly on inference, and then targeted verification of the inference, otherwise it would be impossible to find a connection between several people who were not related at all, let alone identify the murderer.

If the Jingcheng case is the same, then it is necessary to expand the investigation area, and the method used is: investigate the victim.

What are the personalities, hobbies, living habits of the three victims, etc.

For example, if someone likes fishing, then the waters he often goes to, the fishing friends he knows, the fishing tackle stores he often visits, the fishing friends he joins online, etc. are all under investigation.

The workload is huge.

The special case team was mentally prepared when they took over the case.

The long-standing unresolved cases are definitely not that simple. We must try our best to find out the gaps and make up for the gaps on the basis of the files and slowly advance the case.

Maybe in the process of investigation, new directions will emerge by themselves.

"Chen Xun, should the dance competition be fully implemented? Although it has been many years, we can give it a try, and the organizer may keep a record." Chai Ziyi mentioned this matter.

Speculations are speculations, and there is no clear direction for investigation now, so we can't let go of any possibility.

Chen Yi: "Let the people below do it. Just send two people. After getting the list, compare and search immediately."

Chai Ziyi accepted the order: "Okay, I know."

Then, Chen Yi looked at He Shixin and the others: "Two people in a group, each responsible for three victims. Regardless of whether there are records in the file, go through it again to prevent anyone from lying.

I don't need to tell you how to check, right? The three victims are all locals in the Economic Development Zone. They have lived in the Economic Development Zone for such a long time, and there are still many things to check.

Except for Qin Fei and my group, you can discuss the rest by yourselves. When you need police cooperation, go directly to Chai Zhi."

Chai Zhi stated: "You can call me at any time, I will coordinate."

The four discussed for a while. He Shixin and Cheng Hanjun were responsible for Xiang Shu together, Teng Dabin and Su Ying were responsible for Zhang Wenyang together, and Qiao Rui was left.

They probably thought that Qiao Rui had nothing to check.

A scholarly family, a three-good student from childhood to adulthood, did not have to do anything after graduation and went directly into tobacco. His fixed life was uneventful, but he was the object of envy of countless people.

"Chen Xun, I'll go with you." Chai Ziyi said.

He didn't expect Chen Yi to personally take action. In fact, there was no need. The police force was still very sufficient. He could just stay in the Municipal Bureau to command.

As long as the order was accurate enough, the investigation results would not be any different.

However, everyone has their own investigation habits, which are the same.

Chen Yi: "Is the team not busy?"

Chai Ziyi: "There are a few cases. Let the people below handle them."

The Jingcheng Criminal Investigation Detachment has multiple brigades under it, which is enough for work needs. As the detachment leader, when the special case team is stationed in Jingcheng, he must give priority to the serial murder case eight years ago.

This case has become a thorn in the Jingcheng Criminal Investigation Detachment. It is hoped that the arrival of the special case team can remove it.

"Okay." Chen Yi did not refuse.

Since it is to investigate Qiao Rui, the main task today is to meet his girlfriend. As the closest person of the same age, Qiao Rui's girlfriend is self-evidently important to this case. She can ask many little secrets that outsiders, including parents, don't know.

Chai Ziyi had done this before. He talked to Qiao Rui's girlfriend no less than ten times. It is worth mentioning that he gained something new every time.

This is how visits work. There is no guarantee that the clues are fully covered. People's memories are staged and need to be dug up repeatedly.

Qiao Rui's girlfriend is married and has two children.

In eight years, things have changed.

Her husband is from the Finance Bureau and they met through a blind date.

This is a system circle. Most of the relatives and friends around her are in the system. From the subtle influence of family education, they have no worries about food and clothing.

She did not resist the sudden visit of the police. When she talked about her boyfriend in her early years, although she was no longer sad, she could see that she was still very sorry.

It has to be admitted that Qiao Rui is a standard marriage partner. If he is put in the blind date market, he will definitely be snapped up by the woman, not only the woman, but also the woman's parents.

From the surface, there is no flaw at all.

He is tall, handsome, excellent in study, has a positive outlook, and a good personality. His whole family is related to the system. He also went into tobacco. As long as the woman is not the kind of person who pursues a luxurious life, who would not want to marry such a person?

Chen Yi is actually quite strange. Why did a young man with such a good reputation encounter a fatal disaster?

Can you know a person's face but not his heart? But there is really no black spot.

Qin Fei may be right. The biggest possibility is that he killed someone because of love.

If Qiao Rui is not the one at fault, then the murderer's motive for killing is dark, such as jealousy, unrequited love and other negative emotions.

But where do these emotions come from for people who have no connection?

You can't just want to kill someone because you see Qiao Rui doing well on the street? It's impossible to be so ridiculous.

Chen Yi and Qiao Rui's girlfriend repeatedly confirmed whether there is a woman who likes Qiao Rui. The other party was very patient and affirmed that she had never seen Qiao Rui since she met him. She only recalled the past in the campus when they were chatting.

From elementary school to middle school, from middle school to university, Qiao Rui has no shortage of admirers in every stage, but there are only three girlfriends including her.

These three people are on the police's visit list, and everything is normal.

If you want to talk about secret love, it is impossible to know.

What is secret love? Unspoken love is called secret love. It is not impossible to check, but you have to consider whether it is worth a lot of police force and a lot of time.

After leaving Qiao Rui's girlfriend's home, Chai Ziyi chose a local specialty restaurant to invite Chen Yi for dinner. In the private room, the two sides continued to discuss Qiao Rui's problem.

Finally, Chen Yi gave an answer that was more in line with all the inferences.

Murder of love.

Hanging.

Combining the two keywords, it can be assumed that a girl committed suicide because of Qiao Rui, and the murderer was avenging the girl.

It may not be true, but it is reasonable, rational, and logical.

In this case, the outline of the girl is very clear.

First, she suffers from depression, so she knows Xiang Shu, a doctor in the Department of Neurology.

Second, she can dance, so she knows Zhang Wenyang, a dance teacher.

Finally, she likes Qiao Rui, but the two have no contact or intersection.

Although it is a guess that cannot guarantee accuracy, it can be implemented. At present, it is necessary to analyze how the girl came into contact with Qiao Rui.

Regarding this question, Chai Ziyi thought for a while and said: "The investigation has not yet covered... alumni, friends who have met once, this is a huge project.

However, it is relatively simple to screen out female patients with depression from 65,000 people, and then search according to the student records. If there are alumni of Qiao Rui or people who live close to Qiao Rui or even in the same community, then..."

He did not finish.

Chen Yi said: "I checked and found that 70% of the outpatients in the Department of Neurology have different degrees of depression and anxiety symptoms, so depression cannot be used as a label, not to mention that it is just a guess.

The scope should be as wide as possible, covering all 65,000 people, including the primary school, middle school, and university that Qiao Rui attended. The patients who meet the conditions should be listed separately to see how many there are."

Chai Ziyi nodded: "Okay, I think it should be indispensable. Jingkai Hospital is not a very famous hospital. Most of the patients who go to see the doctor are locals. Locals must go to local schools, so the overlap is still very high."

Chen Yi: "Young people rarely see the Department of Neurology.

Qiao Rui is 25 years old, and the standard fluctuates up and down for six years based on the primary school semester. Only those who were 19 to 31 years old when he was killed were checked. You can calculate the exact age at the time of the consultation yourself."

Chai Ziyi: "Understood."

After dinner, Chen Yi and Qin Fei returned to the hotel. The special case team's food and accommodation were arranged by themselves, and the police chief reimbursed.

When Xin and the others also came back, they couldn't find anything after several hours of investigation. At most, they were familiar with the people related to the case.

Chen Yi did not call a meeting to let everyone rest early, but stayed in the room to think about the future direction of the investigation of the entire case.

Whether it was depression, dancing, or liking Qiao Rui, it was just speculation. The probability of finding a breakthrough clue was very low, and he needed to take one step and look three steps ahead.