Criminal Investigation Notes

Su Hui's words were completely different from Lu Junchi's expected answer.

Lu Junchi looked at the man in front of him suspiciously.

He didn't know what Su Hui learned and experienced in the past. In Su Hui's words, he vaguely felt that he seemed to have some slight resistance to the portrait of criminal minds.

Lu Junchi regretted bringing up this topic at this time, and he still wanted to justify the name of this criminal investigation method: "Mr. Su, you have been engaged in academics, and you may not be clear about it. Criminal psychology portraits are of great practical significance to our police, and they have also given us great help."

Su Hui shook his head with a serious and serious expression: "In a short time, I can't explain my point of view clearly. Profiling is to use the profiler's thinking to infer the murderer's thinking, and different profilers will come to different conclusions. A lot of it will be useless information, and sometimes even wrong information."

Lu Junchi tried his best to argue with him calmly: "Mr. Su shouldn't hide his face like this. I have personally witnessed the magic of profiling. A good profiler is like a key that can solve a case."

"No one can guarantee that the profiling results are [-]% correct. With limited knowledge, it is even more difficult to guarantee the correctness of the profiling. Wrong profiling will lead you into a maze." Su Hui picked up the water glass and took a sip Water, then put down the cup and asked, "Captain Lu, have you ever contacted the suspended behavior analysis team?"

Lu Junchi nodded his head.

Su Hui leaned his back on the back of the sofa and continued: "The police in many cities used to have profiling teams, but they were called differently. Some were called criminal psychology laboratories, and some were called behavior analysis teams. However, criminal In the practice of psychological profiling, how to combine theory with reality has always been a difficult point. The behavior analysis team in Huadu helped the police solve some cases at that time, but it also exposed a big problem. Personally, that It's not a bad thing that the Behavioral Analysis Group was suspended."

It may be because Su Hui is a teacher. His tone of speech is polite, logical, and eloquent. His voice is slightly hoarse, but there is an unquestionable paranoia in his words.

Lu Junchi knew that after the behavior analysis team was disbanded, some conservative people in the police also had this idea.

But he couldn't imagine that the criminal sociology teacher in front of him was so conservative.

He knew that he was here to ask Director Liao for advice, but he kept pouring cold water on him.

More importantly, what Su Hui was talking about lightly is that some people spend their whole lives exploring and striving for a career...

Seeing Lu Junchi's frown getting deeper and deeper, Su Hui pulled back his words: "Captain Lu, don't be angry, the profile can still be used as a reference within a certain range, but compared to that, I think the police need more evidence and practical facts." The idea of ​​solving the case."

This sentence is quite pertinent, and Lu Junchi felt that Su Hui probably had some prejudice against criminal psychology profiling.Moreover, this Teacher Su didn't understand the predicament he was facing now. If there were other directions of investigation, he didn't have to come here.

Thinking of this, Lu Junchi pushed forward the information: "If Mr. Su has signed the confidentiality agreement between the General Administration and the college, he can also learn about the case we are encountering now, and give advice on how to find a practical way to solve the case."

Su Hui didn't shirk, picked up the documents in front of him and flipped through them carefully.

Lu Junchi introduced: "We found those stumps among several abandoned cars. The murderer was very careful and left no evidence, let alone any relevant witnesses. The identity of the victim has not yet been determined."

"So, do you still have feet?" Su Hui blinked, and then explained, "I saw a post on the Internet before, but it only said that a pair of severed hands were found..."

"The media doesn't know all about it." Lu Junchi said, "At present, these stumps belong to different victims."

Su Hui took those photos and looked at them one by one. Each of them paused for a moment in front of his eyes, as if the camera was focusing. When he saw the environmental photos, his expression changed slightly: "The murderer made full use of the urban waste. As for the space of the car, have you done any analysis and investigation?”

"I've done all the routine ones, and I've applied for micro-material identification on the residual limb, hoping to find some clues."

Su Hui listened quietly, then nodded: "Victim research, the more we know about the victim, the more we know about the murderer. This is a way of thinking..." Then he asked, "Has the white powder been tested?"

"A mixture of boric acid, alum, and camphor, readily available."

Su Hui put down the document and said, "Coarse preservative powder."

Then he lined up the photos of the three hands and feet with his slender fingers, and looked down carefully.

It can be seen from the photos that these stumps have been stored for different periods of time and have different degrees of decay.

Those scrap cars... what do they represent?

The two of them suddenly didn't speak, and the room was a little awkwardly quiet.

Lu Junchi felt that it seemed that Teacher Su was also helpless. He had already made an appointment with Director Liao, and it would be embarrassing if he couldn't analyze it.

He was thinking about how to end the topic, when Su Hui asked, "You said, the cars where the stumps were found were very clean?"

Lu Junchi hummed.

Su Hui frowned and thought for a while. He seemed to think that this was a bit unreasonable. He thought for a while, and then looked at the other photos. Those abandoned cars were in groups...

Su Hui's brows stretched out: "Although I can't help Captain Lu with the profile, I still hope to provide you with some help."

Lu Junchi stopped his movements and turned his head to look at the man's beautiful eyes. Under the sunlight, his eyelashes were distinct.

Su Hui narrowed his eyes slightly, and continued, waving the scepter with his right hand, "I found out that you found those stumps and a few abandoned cars that were used as 'showrooms', but you didn't seem to check the other abandoned cars at the scene. Vehicles. I suggest that you bring physical evidence and search carefully for all the abandoned vehicles in the same location."

Urban waste cars are also nicknamed zombie cars. Many cars are old and the procedures are not complete. The owners would rather throw the car away than send it to the vehicle management office.

Just like the broken window theory, those abandoned cars often do not appear alone. As long as one person abandons the car in one place, new abandoned cars will appear soon, as if they will multiply in the city by themselves.

The same is true for those few scenes. At each scene, there are several abandoned cars parked around, but because of the police force, they only searched for one of them.

What Su Hui said was that they did not investigate the physical evidence, and it was also a blind spot for the police.

Hearing Su Hui's voice, Lu Junchi nodded thoughtfully, and then he said, "Thank you, Mr. Su, I will ask my colleagues to check these cars again and collect all the evidence."

Su Hui nodded: "You have to hurry up, the murderer may commit crimes again in the near future."

At this point, the door of the office was opened, and Director Liao walked in.

Director Liao's full name is Liao Changen, and he is in his 40s.He wears glasses and is an amiable middle-aged man. He has a dimple on one side when he smiles. When he saw Su Hui and Lu Junchi, he smiled and said, "You two have been waiting for a long time. After class, there are students Asked me a few questions."

Lu Junchi said: "It's okay, I just waited for a while."

Su Hui also stood up: "Director Liao, let me get the stamped document."

"Teacher Su, wait a moment, I'll take it out for you right away." Director Liao said and waved his hand inside, "Captain Lu, come in and talk with me."

Liao Changen turned around on the table inside, took out a clip, took out a certificate with a red stamp from it, walked out and handed it to Su Hui: "Mr. Su, what you want."

Su Hui reached out to pick it up.

Director Liao was not in a hurry to give it to him, he took his hand back, and said: "Mr. Su, I didn't say that this matter is a bit dangerous. Even if you are doing research, you don't have to work so hard, let's take it seriously. , things are a bit out of line, our Chinese police is at most an auxiliary department of the police station."

Su Hui's eyes were a little pale under the sunlight. He tilted his head and frowned slightly, as if he didn't hear clearly: "What?"

Director Liao wanted to beat up this disobedient teacher, but now he was held back, and he couldn't tell whether Su Hui did it on purpose or if he really didn't hear clearly.

He didn't want to see a deaf person in front of Lu Junchi, and he didn't have the patience to repeat that long series of words.Finally gave the things to Su Hui: "I said... Forget it, Teacher Su, pay attention to your own safety."

Su Hui took it over and thanked him, folded a few stacks and put them in his pants pocket, then walked out the door.

Lu Junchi turned his head to look at Teacher Su. Just now, he was still talking to him as usual, but his body turned to the right unconsciously. It may be that the hearing in the right ear is better than that in the left ear.

From the previous reactions of Director Liao's assistant and Director Liao, it can be seen that he has some hearing problems.

For a while, only Lu Junchi and Liao Changen were left in the office, and Lu Junchi started a conversation: "Director Liao, this Teacher Su..."

Liao Changen smiled wryly without concealing it: "It's a little strange, right? It looks quite docile, but..." Director Liao hesitated at this point, probably thinking that Lu Junchi was an irrelevant outsider, so he couldn't help complaining a few words.

"Today's young teachers really don't understand the world, their qualifications are not high, but their eyes see the sky, they don't pay attention to teaching, and they just use their brains every day. To be honest, I have been teaching for many years, and I have never met such a teacher... Recently, I have to go to Baihushan Prison, saying that I want to do a thesis project, and he doesn't teach criminal psychology. Isn't this asking for danger? I reminded him kindly, but he pretended to be deaf and dumb here... ..." Director Liao let out a long sigh at this point.

Lu Junchi was a little surprised when he heard this. He didn't expect Director Liao to comment on Teacher Su like this, and he didn't expect that Su Hui would go to Baihushan Prison. The prisoners there were always serious criminals. He himself has sent quite a few of them, the light ones have been sent in at least five years, and the serious ones have to be executed.

The scene was a bit awkward for a while, Lu Junchi answered, "Perhaps people with ability are generally a little arrogant."

"Ha, ability?" Director Liao chuckled, "I hope that at least one of his papers can be published in core journals this year. Otherwise, the teacher's debriefing during the summer vacation may not be easy. He is not in a hurry. As a director, I have to Worrying about him."

The Chinese police have always had requirements for teachers’ teaching and research, and assessments will be conducted every other year. The rigid rule is three general periodicals every two years. The teachers automatically raise the requirements by one level, and struggle to publish one core periodicals.

There are not many professional periodicals in this area in Huaxia, a total of nine, also known as the nine periodicals.In order to get into the Nine Issues, the teachers can be said to have sharpened their heads and broke their heads.

As far as Director Liao knew, the name Su Hui had never appeared in those publications.

From Director Liao's tone, Lu Junchi could hear a bit of gloating. It seems that this school is not a pure land, and there should be a lot of struggles.

"Let's not talk about that." Director Liao took off his coat and hung it on the back of the swivel chair, then turned around and said, "Xiao Zhang told me, Captain Lu, please show me the information."

Lu Junchi handed over the materials in his hand, but he was still thinking about what that Teacher Su said earlier, and he was still a little worried about the safety of Teacher Su's business.

Director Liao put on his glasses and flipped through the documents, his expression became more and more serious...

An hour later, when Lu Junchi came out of Director Liao's office, he was already very hungry. While unlocking the car, he received a call from Qiao Ze.

Qiao Ze's voice came quickly: "Captain Lu, I am investigating the scene with the physical evidence."

Then he lowered his voice, "Three scrap cars have been searched, and the people from Wujian said they didn't find anything new, it's all natural information left by the car owner, I'm a little impatient..."

Physical examination to find information such as fingerprints, bloodstains, footprints, etc., is a laborious and technical task.

Originally, it was very troublesome to check one car, but now I suddenly have to check several more cars, and I don’t know what to check. It is natural to have complaints.

Lu Jun was not here, and Qiao Ze was too young to hold back the audience.

"Is Lao Han leading the team?"

Joze hummed.

Lu Junchi told Qiao Ze: "Try your best to coax them, buy them some drinks, cigarettes and alcohol, or have a meal together at noon, and I will reimburse you later."

Qiao Ze took a few steps aside, lowered his voice, and asked again: "The second thing is to ask for something... Lu Dui, this is the result of the profiling obtained from Director Liao? Are you sure you can find something?"

What Qiao Ze is most afraid of is returning in vain...

"No, it's a suggestion from a criminal sociology teacher..." Lu Junchi suddenly thought that the teacher Su didn't explain the rationale and reason.

"Captain Lu, where is Director Liao, do you have any helpful information?" Qiao Ze asked.

Lu Junchi was a little disappointed with the conversation just now: "I had a careful chat with Director Liao, and I feel that some of his suggestions are somewhat idealistic and difficult to implement."

The conversation just now was very long, but there were not many useful results. Lu Junchi had already inferred many things Director Liao said.

Director Liao also analyzed that the murderer may have been abused and bullied when he was a child, and he may have an unhappy family and like to be alone. These sound reasonable, but they will not allow the police to extract effective information, let alone help them catch the murderer.

There are also some data on the proportion of such people, related academic papers...

After hearing that, Lu Junchi became more and more helpless. Those data could not help them select this man from tens of millions of men of the right age.

At the end of the topic, Director Liao seemed to be unintentional, and mentioned the matter of the consultant of their serious crime team...

Although Lu Junchi respected Director Liao, he felt that Director Liao was not a good candidate, so he quickly changed the topic.

Just as he was recalling this, Lu Junchi heard a vague voice from the phone: "Officer Qiao! The last car was missing."

Qiao Ze hurriedly said: "Han Tou has worked hard, I'll come right over!"

Lu Junchi thought for a while, and felt that his previous decision was a bit arbitrary.

If you can't find anything this time, everyone's inspection direction is wrong, and he probably has to go to the Object Collection Center to apologize.

According to normal thinking, it is not easy to find one with something in it among a pile of scrap cars. How could the murderer have anything to do with other cars?But just now, he had no reason to believe what Teacher Su said...

Facing that Teacher Su, Lu Junchi had an inexplicable sense of familiarity and trust. He felt that what the person in front of him said must have a reason and a reason...

Lu Junchi was in a daze, when he suddenly heard a noise from the phone, Qiao Ze hurriedly said: "Captain Lu, I'll talk to you later..."

The noise on the opposite side suddenly became louder, but it was indistinct, and it was impossible to hear what was being discussed.

Lu Junchi faintly felt that something was wrong, he became nervous, sat up straight unconsciously, and tightened his grip on the phone in his hand.

Then he heard Qiao Ze's voice trembling with excitement, and his tone revealed disbelief.

"Head! We found a lot of marks on the last car!"

It turned out that Teacher Su's suggestion was correct.

The scrap car I found before was a showroom, and the one next to it was a playground...