When Lin Ming came to the criminal investigation team, he happened to see Zhang Shaoan coming out of it.

A policeman followed him, and when Zhang Shaoan came down the stairs, he also told him: "Thank you for the clues, if you still remember any details, please come to the team immediately to assist in the investigation." ”

Zhang Shao'an glanced at Lin Ming as he went down the stairs and motioned for himself to wait for him outside.

Lin Ming nodded and said to the policeman, "I am Fang Junlong's nephew, and he asked me to come to him." ”

"The team is in the office, I'll take you there."

The criminal policeman probably heard Fang Junlong's instructions in this regard, so he nodded and led Lin Ming all the way to Fang Junlong's captain's office.

Fang Junlong was facing away from the door, looking at the clues on the erected whiteboard.

There are photos hanging on it, and a few clues are drawn horizontally and vertically. Lin Ming keenly saw that there was a strip on the whiteboard, the murderer - alibi.

This means that Zhou Yunkai seems to have the above methods to prove that he is not at the scene of the murder.

"Uncle."

Lin Ming shouted when he entered the door.

Fang Junlong came back to his senses, saw Lin Ming, and while sitting on the desk, he pointed to the chair in front of the table and said, "Sit down." ”

Lin Ming sat on the chair and said, "Uncle, what is the situation of the case?" ”

"You first tell me about the suspects, what happened to your last conflict, 1510 talk about it." Fang Junlong looked at him solemnly and said, "All the details must be recalled, don't hide it." This is a homicide. ”

Seeing that Fang Junlong was so serious, Lin Ming explained how he had a conflict with Liu Zhenghao in the fourth middle school last time, and he got into trouble with Liu Zhenghao's cousin Li Mo, and he was involved in Hu Jie.

Hearing Lin Ming say that the main person Hu Jie wanted to fight was Lin Ming, not Zhou Yunkai, and he didn't even have a direct conflict with Zhou Yunkai. Fang Junlong looked this nephew up and down, and said, "Are you sure that Hu Jie and Zhou Yunkai have no other intersections?" ”

"Sure."

Lin Ming nodded and said: "So Zhou Yunkai's motive for the crime is not established, because the person Hu Jie chased and beat me was, and many people can prove it that time on the streets of the city." If you want to talk about the motive, I have the motive to kill him. ”

Fang Junlong asked again: "Then you didn't pay attention to Zhou Yunkai's personality and personality, such as what is the opposite. Social tendencies, cynicism, ideological extremism, etc.? ”

Of course.

Last time, he wanted to provoke Yuan Hao and Hu Jie to kill each other.

But Lin Ming wouldn't be so stupid as to tell his uncle, but shook his head and said: "Of course not, he is a good student, healthy, sunny and positive, and many people in the school can prove this." ”

"That's okay, I see. Let's go. ”

Fang Junlong wants to drive people away.

He is dying of sorrow when he encounters this case now, and he has no time to play detective games with Lin Ming.

Lin Ming hurriedly said, "Uncle, you haven't told me the facts of the case yet." ”

"Children ask what they are doing, even if your friend is involved in the case, you don't care about this, go back to your homework."

"Okay, uncle, I turned my face so quickly and didn't recognize anyone. Auntie's 200,000, I won't borrow it. ”

"You dare!"

"See if I dare."

When it comes to Zhou Yunkai's safety, Lin Ming is not afraid of slapping the table and hitting the chair with Fang Junlong, not to mention that Fang Junlong doesn't let him participate in this matter, even if his parents come, it won't work.

"Are you interesting? Your aunt is my sister, yes, but isn't she your aunt? Threaten me with this? ”

Fang Junlong also said angrily: "And this matter is a criminal case, isn't it a detective game?" Murderers are very dangerous, you don't want to get involved in messing around, don't you understand? ”

"I just want to know the facts of the case and find out what the situation is."

Lin Ming said stubbornly: "The suspect is my friend, and the deceased is the person I had a conflict with. I have the right to know the truth of this matter, and if I don't tell me, I will never lend money to my aunt. ”

"You!"

Fang Junlong laughed angrily, slapped the table and shouted, "Zhou Sheng, where are you dead, come here." ”

A small detective ran in from outside and said, "Captain." ”

Fang Junlong pointed at Lin Ming and said, "Tell this kid the facts of the case, 1510, and tell him without hiding anything." I'm going to be out on the scene, and after telling him, let this kid fuck me off. ”

"Yes, Captain."

Fang Junlong buttoned his hat to his head, glanced at Lin Ming, and walked out of the office.

Lin Ming chatted with the criminal policeman named Zhou Sheng in the office.

Zhou Sheng told Lin Ming that the case was discovered this morning.

July 23 at 11:13 a.m.

Hu Jie was found dead in a rented house in the center of the city, with no signs of a struggle at the scene, and the preliminary judgment of the time of death was between 2 and 5 o'clock in the morning. The cause of death was a cut throat, a fatal stab.

The murder weapon was discarded on the ground and had Zhou Yunkai's fingerprints on it.

At that time, the fingerprint system was not yet developed, and the national entry was not as comprehensive as it was later. But coincidentally, Zhou Yunkai appeared near the scene of the crime for a while, was captured by the surveillance, and seemed to be deliberately following Hu Jie.

Regarding this point, Niu Fulai, director of the Zhaojiatang Police Station on Xizhong Road in Chengguan District, has confirmed that they are investigating a drug trafficking case involving Hu Jie, and Zhou Yunkai will occasionally participate in it, following the police to Hu Jie's residence and range of activities to observe. In fact, they were not specifically tracking Hu Jie, but only went to the scene when Hu Jie was away, after all, Zhou Yunkai is not a professional, and he does not have any authority to investigate the case, and for the sake of safety, they will not let Zhou Yunkai really participate in it. Just let Zhou Yunkai actually understand how the police stalk and track criminal suspects, which is a simulated teaching.

But now, Hu Jie died suddenly, and in this sensitive period, not only Zhou Yunkai has to be investigated, but even all the police officers who investigated this drug trafficking case before must be questioned.

As a result, during the stage of screening fingerprints, Zhou Yunkai's fingerprints were found, which matched the fingerprints left at the crime scene. Therefore, Zhou Yunkai was immediately summoned by the police as the first suspect, but because the fingerprints are isolated evidence, there is no way to use them as direct evidence, so Zhou Yunkai was not completely convicted.

And.

The main thing is that the current situation is very favorable to Zhou Yunkai.

Because he has an alibi.

At 2-5 o'clock in the morning, Zhou Yunkai and Zhang Shaoan sang in an all-night KTV near the city center, and the two ordered a lot of wine, and the waiter could prove that during that time, Zhou Yunkai did not leave.

They left the KTV at more than 7 o'clock in the morning. With the confession of Zhang Shaoan and the waiter, Zhou Yunkai will be released soon.

It is precisely because of this that Fang Junlong feels a lot of pressure.

When the only suspect is proven innocent, this suggests that the perpetrator is someone else. And although there were fingerprints of the only suspect on the murder weapon at the scene, this in itself could not directly convict Zhou Yunkai. Therefore, the pressure from all sides will be pressed down and piled up on his head, making Fang Junlong's skin tingle and his brain about to explode.

Hearing that Zhou Yunkai is currently in good condition, Lin Ming is much more relieved. asked Zhou Sheng: "Brother Zhou, are there any other clues at the crime scene?" Such as the murderer's infiltration method, the determination of the time of death of the deceased, and other clues. ”

Zhou Sheng said with a smile: "It's quite professional, I don't tell others, you are also the nephew of the Fang team, otherwise this kind of murder case of a bad nature is not allowed to interfere with people outside the police force." ”

As he spoke, he made a reminiscence, pondered for a moment, and said, "The results of the investigation of the scene, the preliminary judgment is that it was infiltrated through the window. The door is locked from the inside, the window is open, although there is an anti-theft net, but the anti-theft net has a small door that is locked, which should be a universal one; The key or something opened this little door and sneaked in through the window. ”

"The most intuitive evidence is that the murderer cleaned up the scene, the footprints on the windows and the ground were wiped clean, the floor was as bright as a white wall, and even under the bed. The team guessed that the culprit must be a person with a regular lifestyle, cleanliness or obsessive-compulsive disorder. ”

"The time of the deceased's death was determined because the deceased and Ma Tsai were drinking and eating supper at a night snack stall before 2 o'clock, and at around 1:50, they were sent home by several Ma Tsai. The time of 6 o'clock in the morning was determined according to the confession of several horse boys, saying that the deceased had planned to gather a few horse boys to go somewhere to block a debtor at 6 o'clock the next morning. They sometimes take on this kind of debt collection work, and the debtor has a different life pattern than them, so they have to change their schedule and block him as soon as possible. So at 6 o'clock in the morning, a few horses got up and called the deceased, but the deceased did not answer the phone, so they went to the door and knocked on the door for a long time without getting a response. ”

"Coupled with the preliminary forensic examination, the body has appeared a large area of zombie, and the cornea is patchy and cloudy, which generally takes about 6-10 hours for this phenomenon to occur, and at 1 o'clock in the morning, the victim is still alive, so the time is shortened to between 2 and 5 o'clock."

Lin Ming interjected and asked, "Since the deceased didn't get up at 6 o'clock, why didn't he wait until 11 o'clock in the morning to be found?" ”

"Because of the irregular life and rest of the deceased, he often went home to sleep in the morning and got up in the afternoon. A few horses thought he was too drunk and fell asleep, so they didn't care. It wasn't until 11 o'clock, at the normal time to wake up, that the deceased had not woken up and realized that something was wrong, that he climbed up to the window to take a look. ”

Zhou Sheng added: "By the way, the deceased lived on the third floor, and there was a drainage pipe and an anti-theft window on the second floor next to it, so a quick person could easily climb to the window without much effort." ”

Lin Ming nodded, there are many old-fashioned residential buildings in the Niutang area of Xizhong Road, and Hu Jie lives in this kind of alley. This kind of alley is very unsafe because its anti-theft facilities are not complete, and it is common to sneak in at night.

Zhou Sheng said: "But this is just a logical inference, the specific time of death, we have to wait for the forensic autopsy to look at the stomach contents to determine the specific time." ”

Lin Ming said that he understood, and asked some more Zhou Sheng's judgment on the case.

As a trainee criminal policeman, although Zhou Sheng does not have much experience in front-line detectives, he still has a good understanding of some of the ways to solve cases in the team. He told Lin Ming that in such cases, the police would definitely lock down the suspect according to the fingerprints on the murder weapon and conduct a one-line investigation. Because most of the murders in reality are murders of passion or manslaughter, the police can easily find the murderer. Even if there is a premeditated murder, the kind of high-IQ criminals in movies or detective novels are not everywhere. Many people who have premeditated murder do not have anti-reconnaissance means, and it is easy to leave fingerprints, hair, DNA and other clues at the scene, which can easily bring the police a direction to solve the case.

And even if there is no evidence at the scene, modern criminal investigation methods are diversified, especially in the city center, and there are many monitoring probes. As long as the suspect is found from the surveillance, a breakthrough in the case can also be found.

In the end, even if the suspect cannot be found in the surveillance. It is also possible to visit and investigate from the victim's social relations, such as who can profit from the victim's death, or who the victim has offended recently, lock up multiple suspects, and then continue to carry out the elimination method, and find the direction of solving the case.

However, the suspect in this case first has a special identity, and the second is that there is alibi evidence, the monitoring of KTV, Zhang Shao'an's confession and the waiter's confession can all bring favorable conditions to Zhou Yunkai, so the possibility of him committing the crime is basically ruled out, and Fang Junlong has to find another breakthrough.