Solving the case: Combining the police dog's olfactory genes at the beginning

"Team leader, I'm convinced."

Listening to Luo Fei's description of the operation process discovered and deduced by the other party, He Xin gave a thumbs up, but at the same time his face was full of helplessness.

Zhang Wei covered his face with his hands and sat there without saying a word. When he opened his mouth, he felt like he was about to vomit.

"That's the current situation. If I'm not wrong, the person who did it is not a powerful person, but he is definitely a person who is skilled and good at using this method of slaughtering and extraction."

"Lin Jie, tell me what you learned from the administrator Aunt Tang. Maybe we can analyze some useful clues."

"Um."

Lin Jie then took out the information from the morning's investigation conversation.

"Aunt Tang is fifty years old this year. She has been working as an administrator here for eleven years. Don't talk about cases during these eleven years. Even accidents have not happened. Everything is normal. She is a kind person and never gets into trouble with other people. .”

"Because there were drag marks on the faces of the three deceased people, their faces could hardly be seen clearly, so Aunt Tang couldn't be sure whether she knew them."

"According to Aunt Tang, she didn't realize anything was going on there at the first time. She should have checked first, but because of the ticket issue, she was delayed for a while."

Speaking of this, Luo Fei's eyes changed slightly.

With his own intuition, he could sense that something was not right.

Maybe an accident is going to happen next.

If Aunt Tang's words are false, then it is obvious that this matter has something to do with the other party. Even if there is no black air lingering on her head, it also proves that she is part of the insider of the matter.

After all, the scene at the crime scene will leave a psychological shadow on anyone.

But I temporarily observed Aunt Tang today.

The woman in her fifties was just a little scared.

The kind of fear that doesn't seem to come from the heart, the fear of not noticing that something happened suddenly and unexplainedly on the other person, the subtle expressions in it can also be used as a reference for oneself.

"Afterwards, she checked and found that there was no problem, so she started to warm up the pirate ship. About a minute later, the pirate ship started to move. Since the amplitude gradually increased, no one noticed that there was anything under the ship before the blood was officially thrown out. question."

At this point, Lin Jie stopped. What happened next had already been written in the morning's confession report and investigation report.

"Are you saying that there was only a short period of time between Aunt Tang's inspection and the discovery of these three corpses during the entertainment period of tourists?

He Xin was keenly aware that something was not right.

"Absolutely. In terms of time, it should only take five minutes."

"Five minutes should be enough..."

After receiving the other party's reply, He Xin no longer struggled.

Because judging from the time, as long as you are fast, it shouldn't be difficult to run up and hang the corpse with the help of blind spots.

In addition, there is a background board with sea water in front, so you can’t see the front at all. As long as there is no one on the side, you can do it!

But Luo Fei's eyes were serious at this time.

Because it only took him a moment to realize that the other party was lying. Although it was a small detail, it was enough to break through the loopholes in the other party's words.

The pirate ship started rocking a minute later and was discovered five minutes later.

It seems like there are still four minutes left to use, but in reality that is not the case.

If the one-minute window period is enough, then Luo Fei has nothing to say, but as long as he is a normal person, there is no way he can safely hang it under the pirate ship with three strings of spines hanging on the head in sixty seconds. .

At least Luo Fei can't think of whether the other party can do it now.

As for the so-called five minutes, it is not realistic at all. It was discovered because the remains of the body were shaking and the blood attracted people's attention.

But in the remaining four minutes, the boat was swinging. In this case, stable operation was impossible.

In other words, it’s actually only one minute.

But can it happen in this minute? Luo Fei thinks not.

So to sum up, the reasoning results I gave based on the objective facts at least prove that Aunt Tang has a problem. If she said this deliberately, it can prove two points.

Either the other party really knows the truth and chooses to conceal and deceive the police.

Either the other party was also deceived by the trick, but didn't know it.

"Team Leader Luo, the investigation results are out."

At this moment, a figure suddenly appeared at the door of the office.

It was Xiao Cheng who had gone to sort out the information and investigate the identities of the three deceased people. The information from the Intelligence Section was updated as soon as possible.

Luo Fei was very happy to see the other party appear here.

This night is still young and they have no one to sleep!

But in this case, there are still people who accompany them to fight until this point. This is the power of the team.

"Zhang Wei, make a call and order midnight snacks. I'll treat you!"

"Since there are people with us tonight, we must fight to the end. The seriousness of this case may be greater than you think, so it must be solved as soon as possible. If it is delayed for a long time and causes adverse reactions, we will not Easy to handle!”

Luo Fei came to Xiao Cheng and patted him on the shoulder.

"Thanks for your hard work."

"What are you talking about, Team Leader Luo? I also wanted to get the information out as soon as possible. I came as soon as the forensic and facial recognition investigation results came out. You guys didn't take a break, so I naturally obliged."

Next, the five people sat around and discussed the clues they had while eating.

"Team Leader Luo, according to the investigation results, these three girls are all high school students in our city's No. 3 Middle School, Li Nan, Shi Qingqing, and Tang Rujuan. Regarding the news of their deaths, their families still don't know about it."

"Xiao Cheng, what do you think is the chance of being discovered if someone kills someone in the scenic area?"

"It's big."

After having been involved in the recording and investigation work of the Intelligence Investigation Section for so long, Xiao Cheng has a better say on this issue.

"This scenic spot was established in the name of an ecological park, and it has been around for 20 years. More than ten years ago, due to the large area and insufficient entertainment facilities, large entertainment facilities such as roller coasters and pirate ships were added."

“Generally, the audience in places like this is relatively single, either retired groups such as the elderly who are keen on slow life, or young people who like to team up during holidays. If you want to have both, you must Do this.”

"This results in a large number of tourists in the scenic area from day to night. This is almost regardless of holidays and low and peak seasons. Therefore, if someone kills someone in the park, both the smell and the traces will arouse suspicion."

"So the crime scene should be in a confined space where no one is paying attention, but the remaining bodies were taken there. This is a clue that we have not yet grasped."

Luo Fei was quite satisfied when he heard what the other party said was clear and logical.

This can be regarded as one's own words. It will be much easier to understand if the other party helps his team members to clear up their doubts.

"If this confined space is outside the scenic area, then people will definitely notice the remains if they are brought in. If it is inside the scenic area, how should the remaining corpses be disposed of?"

He Xin next to him raised this dilemma.

While others were thinking hard, Luo Fei suddenly spoke.

"Assuming that it is inside the scenic spot, and assuming that the girls' bodies were disposed of there, then the perpetrators must be known to Aunt Tang. This is a breakthrough. Let's not consider external factors, but Aunt Tang must not let go of this clue. .”

Next is the task assignment and further investigation stage.

"Xiao Cheng, you can sort out Aunt Tang's specific situation and some background information tomorrow."

"Zhang Wei, you and I will visit the No. 3 Middle School tomorrow. Lin Jie and He Xin will investigate the park tomorrow. Whether it's bones or blood stains, we must dig out some clues."

"good!"

Everyone responded in unison.

The next day, Luo Fei and Zhang Wei came to No. 3 Middle School.

Because today is Monday, the students have all started attending classes, and basically everyone in the school is here, which makes it much easier to investigate.

"What? Such a big thing happened!"

The principal was obviously extremely surprised by this incident. He did not expect that three murders would occur among his students.

Although the crime occurred not in the school, I, as a principal, naturally had mixed feelings in my heart.

"Comrade police, is there any progress now? Has the family been notified?"

"Arrangements have been made as soon as possible to confirm the identity. As for the new progress, preliminary investigation can confirm the murder, because the content involved in the case is a bit complicated and cannot be disclosed to you."

"understand."

The principal is very cautious, not asking if there are many things or not mentioning the few things.

"Comrade police, do you know the specific situation of these three students? If not, I will send the person in charge of our student office to contact you to assist."

"We have everything under control. Today I will take this opportunity to visit and investigate. I hope the teachers at the school can cooperate."

"We must cooperate."

The principal said as he took out his cell phone and started sending messages.

"I'll ask the grade directors and others to make work arrangements. The police comrades can just carry out their work. If you need my help, just call me."

"Okay, thank you for your cooperation."

Luo Fei and Zhang Wei walked out of the office and went straight to the classroom of the student who had the accident. Today was a plainclothes operation, so they didn't attract much attention.

After arriving at the other party's class, Luo Fei looked at the back door and found that there were indeed a few empty seats.

"Team leader, the teacher of this class is very good-looking."

"You kid, be serious and get ready. get out of class will be over soon. Let's say hello to their class teacher first, and then call the students in for questioning. Don't make too many remarks, or let the children know that they should panic."

"Don't worry, it was just a joke."

Zhang Wei patted his chest and promised.

Then the two of them met the head teacher of the three girls after class. The other person was a very beautiful young woman who was relatively calm and quiet.

After learning the news of the death of the three girls, he was obviously extremely shocked and frightened, covering his red lips tightly, and it was difficult to accept it for a while.

But he quickly calmed down, because when the police came looking for someone, don't mean the negative impact of the case.

I must cooperate so that I can give them justice.

"Comrade police, do you need my help?"

"How are these three children doing at school on weekdays? Let's talk about studies first, and then talk about basic daily life."

"Their academic performance is almost the same. Tang Rujuan is better, Shi Qingqing is the worst, basically always not ideal, and Li Nan is up and down. Because this girl is more playful and sensitive, she doesn't focus on studying."

"But one thing is very important. The four of them have always played better, and their relationship is the closest in the class."

"Good?"

Zhang Wei thought about these two words. It seemed that the group was destroyed, and it was a terrifying effect on his best friend.

"Four?"

Luo Fei noticed this immediately.

"Four people? Besides the three of them, are there others in this small group?"

"Yes, there is another girl, Wu Wenjing."

The moment this name broke into Luo Fei's mind, the reasoning rhythm started instantly. Then he thought of the scene he observed at the back door not long ago, and clues appeared one after another.

"Wu Wenjing...this girl is not here today either, right?"

"how do you know?"

The head teacher's eyes widened and he was a little confused for a moment.

"Because a total of four people have disappeared today, and four seats are vacant. As the first class this week, if this girl named Wu Wenjing comes, she will definitely pay attention to the other three vacant seats, but others seem to be interested in Their absence doesn’t matter.”

The head teacher nodded.

"Yes, Wu Wenjing did not come, because she will never come. She committed suicide just half a month ago."

"suicide?"

These two words immediately shocked Luo Fei and Zhang Wei.

In the Mood for Love, when you are young and in high school, you are about to rush towards a better life and the next step in the future. Suicide suddenly at this time?

It's a little too sudden!

"what happened?"

"It is said that this child chose to commit suicide by turning on the gas because he was under great pressure to enter higher education and there was serious competition among his classmates."

Speaking of this, the head teacher felt sad, and it was obvious that he felt very sorry for this matter.

"Comrade police officer, let me go off topic. I would not have such a big reaction to anyone who seeks short-term responsibility because of his grades, but Wu Wenjing should not be the least likely to do so."

As soon as these words came out, Luo Fei sensitively realized that there was something wrong here.

"This child used to be among the best in his grades, but he had no friends because he was always studying. Later, he played with Tang Rujuan and the others. His personality changed a lot, but his grades dropped sharply."

Luo Fei and Zhang Wei expressed their understanding of the matter. Academics and entertainment conflict most of the time.

This is especially true for those students who work hard.

Once you put something down, it's hard to pick it up again.

"This kid once fell from the top three in grade to the top ten in grade."

"ah?"

Zhang Wei's jaw dropped.

He didn't understand the world of academic masters, and he immediately felt sad. However, the head teacher lamented Wu Wenjing, while Zhang Wei lamented his youthful, frivolous and poor study.

The head teacher was still talking to the side.

"I also persuaded her that she can go back if she works hard, but this child still plays with Tang Rujuan and the others, and also learned makeup and dressing with Shi Qingqing, alas..."

Luo Fei felt more and more that something was wrong.

A member of a best friend group had accidents one after another, one committed suicide, and three were murdered. There must be something wrong here.

There is something strange in the foursome!