After resting for two days, Han Bin went back to work.
In the morning, Han Bin attended a meeting at the municipal bureau. He took a nap in the afternoon, signed a few documents, and started to study criminal profiling.
There was a prerequisite to learning this skill, and that was to have a strong observation ability. Han Bin's observation ability was far beyond that of an ordinary person, so this skill could be said to be twice the result with half the effort.
Criminal profiling originated from overseas. To be exact, it originated from the United States. Those who were proficient in this skill were called profilers.
Profilers analyzed the modus operandi, the layout of the crime scene, and the characteristics of the crime to outline the criminal's mentality. From there, they could further predict the criminal's race, gender, age, professional background, appearance, personality, and even their next move. This would help the police narrow down the search area and stop the crime in time.
There was similar research in the country, but it was not very mature, and the division of labor was not as detailed. It belonged to a branch of criminal psychology, and the knowledge reserve was very complicated. Usually, some experienced criminal police officers played the role of profilers, but due to the lack of knowledge, the accuracy of profiling also needed to be improved.
In the end, the country did not pay much attention to this aspect.
To perfect the profession of profiling, four conditions must be met. The first was to have a huge knowledge system. The second was to have deep research in criminal psychology. The third was to personally investigate real cases on the basis of the first two conditions. The fourth was to conduct a systematic summary. The above four conditions could not be achieved by one person. It must rely on the organization of the country.
Being able to learn criminal profiling would be of great help in solving serial cases.
Ring ring ring...
A phone rang. Han Bin picked up the phone and looked at it. It was a call from his old leader, Zheng Kaixuan.
Han Bin pressed the answer button and smiled. "Hello, leader."
Zheng Kaixuan's voice came from the phone. "Captain Han, we have the same position now. I don't dare to be your leader."
"Captain Zheng, don't joke around. Just tell me what you need."
"Have you been busy recently? Do you have any important cases on hand?"
"I've been busy for a while, but now there's a case that's in the closing stage, so I'm not that busy."
"That's great. I have a case that I need your help with."
"What case?"
Zheng Kaixuan said, "We are investigating an old case from more than a decade ago. Recently, we caught a suspect involved in the case, but because too much time has passed, we are not sure if he was involved in the case. The key clue is that the suspect left a set of footprints. I want to ask you to help identify whether this set of footprints matches his footprints."
Han Bin readily agreed. "Alright, the old leader has spoken. Even if I have to work overtime at night, I'll do it for you. "
"Alright, that's enough. I'll treat you to a drink when I get back to Qin Island."
Han Bin smiled. "That won't do. I'll treat you when we return to Zither Island, but it's on you when we go to Spring City."
Zheng Kaixuan said heartily, "No problem. I've been missing you old colleagues for a long time. I'll be happy whenever you come."
Han Bin was puzzled. "By the way, Captain Zheng, doesn't the Provincial Public Security Department have an expert in identifying footprints? Logically speaking, you should look for them. They can also issue the relevant appraisal report. I don't have that qualification. "
"Oh, don't mention it. The expert in identifying footprints from the Provincial Public Security Department, Elder Ma, fell ill and was hospitalized. There is also an expert in the identification of footprints. His disciple's surname is Liu. After we caught the suspect, we immediately collected his footprints and sent them to the technical department. We waited for about three days before we received a reply.
The expert surnamed Liu came personally and had a good attitude. However, he wasn't sure if they were the same person's footprints. He said that he would have to wait for his master, Elder Ma, to be discharged and ask him to identify them.
I became anxious and asked him when Elder Ma could be discharged. He wasn't sure either. I was dumbfounded. I asked Expert Liu if there was anyone else who could do the appraisal. Expert Liu said that he might be able to send them to Beijing, but there was no one else in Luzhou besides his master.
I thought about it and realized that I couldn't count on the Provincial Public Security Department. We don't have any problems in Beijing. If we send them to the Provincial Public Security Department, we'll have to wait for three days. If we send them to Beijing, we'll have to wait for three months. That's why I need your help. "
Han Bin said, "Captain Zheng, please send me the information of the suspect and the footprints. I'll help you take a look."
"Okay. Thank you."
"You don't have to be so courteous with me."
"Brother Bin, when will you get the results?"
Han Bin thought about it. "Tomorrow. Don't worry about the results. I'll send you a letter."
"Okay. You're straightforward."
The two chatted for a while more before hanging up.
Soon, Han Bin received the document from Zheng Kaixuan and started to study it …
…
Rong Yuan District.
The weather was exceptionally cold that day, and the northeasterly wind was blowing. Tears streamed down my face, and the top of my head felt like it was being pricked by needles.
A couple ran over with their child. The man opened the door and let his wife carry the child in first.
"He's frozen to death. Is the baby cold?" the woman asked with concern.
"Cold." The child was still young and hadn't learned how to speak. He only said one word.
The man rubbed his hands and covered the child's face. "The baby's face is red from the cold. We won't come out anymore. We'll wait until the weather gets warmer."
The woman said, "It's cold, but it's not good for the child to stay at home all the time. He'll get sick easily."
The man felt that his wife's words made sense. He would feel uncomfortable if he didn't go out for a day. "Next time, let the child wear a mask so he won't have to breathe in the cold air."
"We don't have masks for children. They're all for adults."
"Buy them."
"Buy, buy, buy. All you know is to buy. You make it sound like we're rich."
The man was a little guilty. "Even if we don't have money, we can't let the child down. We have to buy what we have to."
The woman nodded. "I'll go to the pharmacy tomorrow. Sigh, I should've bought it earlier. It's already past Double 11 and Double 12. I wonder when the next discount will be."
The man sighed and didn't say anything.
Ding dong … The elevator door opened.
"Go in." The man used his hand to block the elevator door.
After the family of three went in, a figure ran over from outside the unit.
The woman glanced at him as she got into the elevator. She pressed the button to open the door to prevent it from closing.
After a while, a man ran over quickly. He was a man in his twenties. He was tall and thin and looked a little handsome. There was a strange smell on his body. It was like the smell of cigarettes and perfume mixed together.
The man had a cigarette in his mouth. He closed the elevator door and smoked happily.
The little boy's father frowned and looked a little unhappy.
"Cough cough …" The child couldn't stand the smell of smoke and started coughing.
The little boy's father couldn't help it. "Bro, can you put out the cigarette? The child is still young and can't smell the smoke."
The smoking man glanced at him and didn't say anything. He continued to smoke.
The man's voice became a little louder. "Bro, put out the cigarette. Thank you."
The smoking man said unhappily, "My smoking has nothing to do with you."
The little boy's father said, "If you want to smoke, go home and smoke. You can't smoke in front of my child."
"I'll f * cking smoke. What can you do? I don't want to smell it. You're so smelly."
The little boy's father was angry. He pointed at the smoking man and said, "If you keep scolding, believe it or not, I'll hit you. Didn't your parents teach you how to speak properly?"
Slap! The smoking man reached out and slapped the little boy's father's hand away. "You can f * cking talk about me, but don't talk about my mother!"
After saying that, he blew out two smoke rings.
"You're asking for a beating!" The little boy's father scolded.
The smoking man looked at him provocatively and pointed to his head. "Try touching me. Come on, try it. I'll scare you to death."
Ding dong … The elevator door opened.
"Hubby, let's go." The little boy's mother tugged at her husband's sleeve.
The little boy's father sent his wife and child out of the elevator.
"Pui!" The smoking man spat on the ground.
The little boy's father turned around and rushed over. He punched the smoking man in the face. "F * ck you, son of a b * tch …"
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