"Putting on makeup for the deceased may be both the imagination of the murderer and the expression of remorse, which is better explained if there are two people," Lei Zheng said, "So who is the leader?" The behaviour and will of the dominant person determine the behavioural characteristics of the crime, and strangulation is a common method of homicide, although in this case it is more like an execution, and there is no need to face the deceased ......"

Kong Yawen said: "The murderer is obviously not an ordinary rope, but a special, relatively thin rope, after forensic examination, it is believed that it is a kind of winding metal thin wire, similar to a key chain from the texture point of view, and it is generally a man's patent." ”

Lei Zheng said: "I haven't looked at the surveillance that I have recovered, it seems that I have to take a good look at it again." ”

Kong Yawen said: "I want to go to the scene of the crime and the vicinity to take a look, there are so many beautiful women in the world, and there must be a reason why the murderer chose them." ”

Huang Lewei smiled: "Are you two competing?" The future is terrifying, I found so many clues at once, or else, the video can be watched at any time, I'll take you to the scene to take a look, how about it? ”

Lei Zheng and Kong Yawen agreed, and Huang Lewei drove the two to the first crime scene.

The first scene in a serial case is often the most important scene, and although Lei Zheng and Kong Yawen deduce that it is likely that the murderer is not the first time to commit a crime, this first scene is still very important.

This scene is also located in a residential community, the security situation in this community is very bad, and because the homicide case that happened in this community two months ago has not been solved, the residents in the community are panicked, and when they see the police coming to investigate the case again, the security guards of the community first asked Huang Lewei about the progress of the case.

"We're just here to investigate that case." Huang Lewei said.

"That case hasn't been solved yet, it's been almost three months." The security guard said disappointedly.

"We've been working hard," Mr. Wong could only reply.

The security guard muttered, "It hasn't been broken for three months, it's really ......"

Although I couldn't hear what the security guard said behind him, everyone knew what he meant, and after walking away, Huang Lewei sighed: "If the case is not solved, we will not dare to speak up even if we are scolded...... Alas...... I've been to this neighborhood no less than five times, and I don't know what else I haven't noticed, so see for yourself. ”

Lei Zheng and Kong Yawen are both here for the first time, and the two of them have actually begun to pay attention to the situation around them for a long time, and they did not answer at the moment, but directly checked everywhere.

Huang Lewei also followed them, and saw that the two of them were doing their own things as if they didn't know each other, and they couldn't help but feel a little secretly strange in their hearts.

After getting familiar with the environment in the community, the two remained silent, and Huang Lewei asked, "Do you want to go to the scene to have a look?" ”

Lei Zheng shook his head and said, "No need, everyone is investigating carefully, there is no need to waste any more time." ”

Kong Yawen also said: "The ban has been lifted at the scene for so long, and the case has not been solved yet, so let's not disturb the family of the deceased." ”

Huang Lewei said: "Okay, let's go to the second scene to have a look." ”

The three of them watched three scenes in a row, Lei Zheng and Kong Yawen did not express their opinions, and Huang Lewei suddenly became full of confidence in them for some reason.

The fourth scene Lei Zheng and Kong Yawen have been there, and when she came to that community again, Kong Yawen felt a little touched in her heart, she turned her head to look at Lei Zheng, but saw that Lei Zheng's expression was as usual, and there was no change from the last time.

"This guy has a really good mental quality." Kong Yawen thought to herself.

The three of them still only walked around the community and did not enter the scene of the crime.

It was already noon when they left the community, and the three of them picked a fast food restaurant and ordered fast food, Huang Lewei smiled: "Are you free now?" After reading it all morning, what did you find? ”

Kong Yawen and Lei Zheng glanced at each other, and Lei Zheng said, "You can say it first." ”

Kong Yawen said: "Okay, there are some ideas at present, if you say something wrong, don't laugh at me." ”

"How so? No one is going to laugh at you, just say. ”

Kong Yawen thought for a while and said, "Do you think that the four communities we have seen today are somewhat similar? These four communities are all middle-aged and old-fashioned communities, with complex terrain, many exits, and backward or almost no security equipment, so the murderer can enter as if he was in a no-man's land. ”

This is equivalent to not saying it, Huang Lewei and Lei Zheng waited patiently, because Kong Yawen should not have gotten to the point yet.

Sure enough, Kong Yawen continued: "Since we have now begun to suspect that there is more than one murderer, then our previous inference about the murderer's profession may have to be slightly modified. ”

The previous inference was made by Lei Zheng, and when he heard Kong Yawen's words, Lei Zheng raised his eyebrows and said, "Oh? How can the law be amended? ”

Kong Yawen said: "According to what we know so far, the murderer has a good understanding of the living habits of the deceased, this is not something that can be done easily, it requires long-term follow-up observation, those delivery men, water, electricity and coal workers are basically temporary workers in the front line, they are usually very busy with work, I am afraid there is not so much time to track and investigate a person, not to mention that the murderer has more than one person to track and investigate." ”

Huang Lewei said: "Yes, why haven't we thought of it before? ”

Lei Zheng said: "There are indications that the murderer has been monitoring the life of the deceased with surveillance software, so he does not have to keep an eye on the victim for a long time. ”

Kong Yawen said: "Yes, there is evidence to prove this, but monitoring software alone can't do such an accurate attack and escape smoothly, I think the murderer should have done a long-term squatting investigation." ”

Huang Lewei said: "Well, your idea is a bit interesting, is there anything else?" ”

Kong Yawen said: "Now the question is, who can stay in the community and observe others all the time, but will not be suspected by others?" There are still security guards in these communities, although these security guards are not very responsible, but if there are outsiders staying in a certain part of the community for several days or even ten days in a row, I am afraid that they will still be noticed. ”

Huang Lewei said: "Well, do you have an answer? ”

Kong Yawen replied: "We have just looked at the four communities, and we have already found several types of people who can stay in the community or outside the gate for a long time without being paid special attention......

Lei Zheng said: "Salesmen, groceries, and rags." That's all there are three, right? ”

Kong Yawen smiled: "That's right, you really noticed it, besides...... There's another category of people that can be easily overlooked, haven't you noticed? ”

Lei Zheng frowned slightly, and said, "There is another category?" ”

Kong Yawen smiled: "Yes, haven't you noticed? ”