National Forensic Doctor

No. 1 poison

In China, whenever the drug problem is discussed, everyone will give a solemn +1, even in the criminal police detachment.

There were almost 50 people present, and everyone's eyes began to look different.

"I think the drug line should at least not be listed as a target for the first phase." Liu Jinghui suddenly interrupted the atmosphere where Cao Chujun was gathering.

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The three victims were involved in drugs. Liu Jinghui naturally saw this information and seriously considered it.

It is normal to engage in "saturation investigation" for normal murder cases. Even when Huang Qiangmin encountered an active murder case in Ningtai County and encountered various clues, he had to investigate it. It was nothing more than the dispatched personnel. The quantity and resources vary, but in many cases, it is highly probable that a two-person team can follow up on a clue and get to the bottom of it.

However, drugs are an exception. To investigate along the route of drugs, or even to investigate along the lines of killers sent by drug gangs, this is not the job of the criminal police detachment. We should just call the anti-drug detachment to operate at full power. This means that the drug clue may require more than the resources of a detachment.

Therefore, Liu Jinghui had carefully considered whether to consider drugs as a clue.

After seeing Cao Chujun's initiative, Liu Jinghui said: "The analysis of the drugs in the three victims showed that the most important ones were ice, and then there was a large amount of caffeine. I consulted with colleagues who are engaged in anti-drugs, and the judgment is consistent with the judgment of the previous task force. "The drug content in the three suspects' bodies is most likely Magu."

Liu Jinghui looked at the crowd and then said: "Colleagues who are familiar with public security should know that Mogu is the successor to ecstasy. The reasons for taking both are similar. They are usually for fun. In order to get high, the three victims had drugs in their bodies. It only proves that they are drug addicts, and there is no reason to kill people because of this.”

Everyone looked at Cao Chujun again, as if they were a group of people thinking and observing.

Cao Chujun shook his head: "This must be judged based on their work. Zhao Qian, a female among the three victims, should be the core of this three-person team. She works as a postal employee during the day and often goes to logistics centers and other units for inspections. With a certain amount of power, Zhao Qian makes sense for the drug syndicate from a transportation perspective."

Cao Chujun also did not say it casually. He had also reflected on the 303 case over the years. At this time, he continued: "When we did the 303 case, the Jianyuan Group in Qinghe City was still there. We did not know the Jianyuan Group and the It plays a role. But Magu is obviously one of the main products produced by Jianyuan Group.”

Cao Chujun looked at Liu Jinghui and said: "The other two deceased, the 28-year-old male Qin Jijian, was a porter in the logistics center. After meeting Zhao Qian, he became a team leader. He still works in the logistics company and has convenient access to packages. 35-year-old The male Gu Daxu works in the government and also has some convenient conditions. All three of them have a lot of income outside of salary. "

Liu Jinghui said calmly: "I also noticed the income of the three of them outside of their salary, ranging from a few thousand yuan to as much as twenty or thirty thousand yuan per month. I don't think this number is consistent with the income from participating in drug trafficking, and is more like organizational income." The funding for activities can also be reflected in their interpersonal relationships.”

"They charge for organizing sexual activities?" Liu Wenkai, who had just arrived and had not read the file, was very surprised: "For organizing this thing, you can get a sentence of five years."

"They have the guts to get married, have the guts to have extramarital affairs, and have the guts to engage in multiple groups of multi-person sports. What should they be afraid of if they charge a little money." Liu Jinghui acted as a temporary substitute.

Cao Chujun was unwilling to give up and said again at this time: "The income of a few thousand yuan or 20,000 to 30,000 yuan is also in line with the transportation income of a small amount of drugs."

"If they use their position to transport drugs, is it possible that they only transport a small amount? If the logistics system is opened up, the number of drugs transported will gradually increase. Even if they don't want to increase, it should be impossible in the future. How can it be stable at At the level of tens of thousands of yuan." Liu Jinghui went further and gradually proved his idea.

Although the anti-drug ban in China is extremely vigorous, if you compare it with the news, you will find that for drug dealers arrested in the early years, the drugs seized were often measured in grams, and those that reached the kilogram level were major cases. But in recent years, large-scale drug seizures have become commonplace, and if they want to make headlines, they are basically calculated in tons.

In the final analysis, when the economy is bad and there is no transaction volume, drug syndicates are unwilling to invest. But when the economy is good and profits are high, there will never be fewer people licking blood at the tip of a knife.

Therefore, compared to the huge sales volume, if the three victims were simple drug users, then they were also a type of consumer and there was no reason for them to be killed by drug dealers.

And if the three people did take advantage of their positions to participate in drug trafficking, they would not only sell a small amount.

The monthly income of several thousand to tens of thousands of yuan is not small for these three people, but it is not too much. It is obviously not enough to compensate for the emotional and safety consumption of several people.

Similarly, for drug dealers, this amount is far from cooperation, let alone murder.

Liu Wenkai joined in at this time: "Based on my little experience. Generally, people who spend so much time playing should have no energy to do other things. What I mean is that you can't hide from things like secret operations. Husband and wife, while hiding from the police and colleagues, is too comprehensive. They are ordinary people, not elite agents, and cannot do this. "

"They are not ordinary people. Especially in the drug trade, problems can easily go wrong. If they buy drugs many times, they may be targeted." Cao Chujun sighed and struggled for the last time. "

Liu Jinghui shook his head and said: "When there is a problem with the drug deal, it is unlikely that there will be such a murder scene. It would be more appropriate to take away the dismembered body or sink it into the river."

Cao Chujun couldn't help but said: "Then you still want to investigate from the angle of adultery? If this is the idea, it is very close to the idea of ​​​​the previous task force. Although I do not doubt the investigative capabilities of Jiang Yuan's special team for backlogged cases, But after five years, today’s investigation is definitely half the result with twice the result.”

"So I decided to sort out the... love histories of the three victims." Liu Jinghui smiled, quickly finished the previous topic, and then elaborated: "Actually, we have just talked about that among the three deceased, the female deceased Zhao Qian is the core figure. In terms of sexual partners, Zhao Qian also has an absolute advantage. We found that she has more than 12 direct sexual partners, 4 of whom are alone, and the other 8 are involved in multiple parties. sports."

Liu Jinghui paused and said: "Further combing can be seen that among Zhao Qian's direct sexual partners, the average number of direct sexual partners they have is only 6, and not all of them are women. Looking further, Zhao Qian's direct sexual partners The average number of direct sexual partners of a partner's direct sexual partners is only 3. Considering the existence of multi-person sports, the participants in the third level of sexual activities are basically one-on-one. It’s just that the sex itself is more open.”

Liu Jinghui directly displayed a character relationship diagram on the projection. The dense circles were divided into different colors, making those who watched it dizzy.

Liu Jinghui explained based on the character relationship diagram: "In fact, you can see from the diagram that the dating partners of Zhao Qian and the other two deceased people are in the lead, or at the first level, among everyone."

Liu Jinghui said: "Although there are a lot of people, after carefully studying these people, I came to a conclusion that cannot be said to be very accurate, but can basically cover most of them. The scope of mate selection of these three people is basically limited to work relationships. In addition, Some people are brought in by these spouses.”

Having said this, Liu Jinghui looked at everyone with a little pride.

It is not easy to come to such a conclusion. This also depends on the relevant persons having been arrested and having clear and detailed records - in China, sports of 3 or more people are illegal. In other words, the Paris Olympics The burning winter pattern here, if it happened in China, could lead to a five-year sentence.

Liu Jinghui also came to the conclusion after carefully reading the files, especially after conducting a detailed analysis of the transcripts of these people. Considering that there are always some people who lie on such issues, it is not easy for Liu Jinghui to make a judgment.

Yu Wenshu and most of the others obviously did not fully understand this and coughed twice: "Yes, Liu Chu took the trouble."

Liu Jinghui sighed secretly and could only skip the pretentious process and speak more clearly, saying: "The three victims' direct contacts are all working relationships, which means that we can dig out more information in this direction. information, you may find some hidden direct contacts.”

"Oh? Tell me more specifically." Yu Wenshu finally became interested.

"These people who have been exposed so far" Liu Jinghui pointed to the small circle outside the three people and said: "The investigation into them has been very in-depth. Therefore, the probability that these people or their partners are the murderers has been greatly reduced. But , Are you saying that these people are all the people the three of you are dating? I have doubts about this, and I want to investigate from this angle."

"This can be a direction for investigation." Yu Wenshu responded cleverly. According to Liu Jinghui's investigation method, it doesn't cost much money and manpower. It is worthy of reasoning, saving money, king, finding another way, Liu Jinghui.

"How do you want to check?" Jiang Yuan also had a high degree of trust in Liu Jinghui and quickly took over Yu Wenshu's words. There are currently more than 30 people in Jiangyuan's special class for backlogged cases. With additional additions, it is more flexible to be assigned fifty or sixty people at any time. These people are enough for regular investigation in three directions, but if the investigation is thorough, fifty or sixty people will be enough to investigate one direction.

As for "saturation investigation", there are pros and cons in this backlog of cases. Times have changed, and in five years, many investigation directions may no longer be able to be investigated. If the investigation must be carried out, the manpower, material resources and energy consumed will definitely be doubled.

Thinking from a rational perspective, five years have passed anyway. If we focus on one direction of investigation first, if that doesn't work, it's still too late to consider "saturation investigation".

The corners of Liu Jinghui's mouth turned up, which was even harder to suppress than the AK. Jiang Yuan's trust can be said to be very valuable in this situation.

Liu Jinghui said seriously: "I want to list all the colleagues of the three victims and those people related to work. If we can find the hidden sexual partners of the three, then conduct a thorough investigation on them. This is The first level.”

Liu Jinghui: "The second step is to expand the scope and conduct a comprehensive investigation into all the colleagues and sexual partners of the three victims. The murderer has special physical appearance and ability. I think there is still a great chance."

"Okay!" Jiang Yuan no longer needed Yu Wenshu's consent. He first confirmed Liu Jinghui's plan, and then said: "Through the analysis of the blood stains at the crime scene, I also drew some conclusions and shared them with everyone, and then we will conduct an investigation. ”