Profiler 2: Criminal Investigation Brigade

The first one is that the security of the cram school is different from that of ordinary buildings. They are relatively young. The security guards sensed the danger and dodged subconsciously. Although they were still hit on the head, they avoided the most deadly position. Now they are still seriously injured and comatose, in the hospital. Rescue.

Second, there are multiple cameras in the cram school, and the gangster only damaged one, and the cameras in other locations captured the entire process of the attack.

Sure enough, they were two men of short stature, but both of them were wearing winter woolen caps with necks, and there were circles covering their eyes. Under the reaction of the night camera, they couldn't see clearly at all. What does it look like.Moreover, in the surveillance video, it can be seen that the two of them were wearing black wool gloves the whole time.

As a result, the murderer committed four crimes in less than two months and shot and killed four people in succession.Even after being targeted by the task force, he still committed crimes crazily.To make matters worse, the task force had just arrested Wang Shanwei, and it was as if the task force had been slapped in the face, and the criminals seemed to be mocking ferociously, you idiots, you caught the wrong person!

Jiao Yang had to hold a meeting to review the case.

Zhang Xianning said: "Although the murder weapon has been dropped and there are a lot of footprints, the murderer is very careful not to leave fingerprints every time he commits a crime. The frequency of crimes is so high, so frequent, his tactics are sophisticated, and he can escape quickly. Judging, the murderer should have a criminal record, so he is worried about being fingerprinted."

Lu Yuanli said, "What interests me is why the murderer always chooses the security guard as his target?"

Jiao Yang shook his head helplessly and said: "I know this is very important, it is the breakthrough point of the case. However, there is no system for statistics according to the occupation of the victim. We are already conducting manual screening, but so far, no suspicious suspects have been found. people."

Lu Yuanli suddenly asked, "Will the boxes of high-end aquatic products be sold off?"

Jiao Yang smiled wryly and said, "It depends on how big the box is. Seafood preservation technology is very advanced now, with ice and oxygen, maybe a big box with just a few crabs. But it is also a direction , you can try it."

Unexpectedly, within a few days, the police force just found out at a certain aquatic product market, and a stall owner provided clues. More than ten days ago, someone sold a batch of seafood at an extremely low price, and the fifth case came again. happened.

The two gangsters were so crazy that they broke into Shencheng Lianzhongli Machinery Company, a large state-owned enterprise, at night, killed the security captain who was on duty, and robbed the belongings of the two officers on duty.Another security guard on duty escaped unharmed because he happened to go to the toilet.

When the police checked the video footage, they saw that the security captain of the machinery company noticed an abnormal noise and got up to check.Two black shadows appeared in the screen, and quickly pressed a dagger against the back of the security captain.

Appearing late at night, the security captain naturally felt that the two of them came with bad intentions.He is more than 1 meters tall and has a strong body. Suddenly, a black shadow held a knife in his hand, and slammed the dagger away. He turned around and picked up a wooden stick under the desk in the duty room.

The two assailants were both of medium to low build and thin. Although they were holding knives, they were no match for the strong security captain.The two sides were in a mess. Seeing the security captain fighting desperately, it was still the same black shadow. Suddenly, he took out a black nail gun from behind and aimed it at the security captain's head.

The security captain immediately fell to the ground and died unexpectedly.

The police rushed to the scene immediately. Although the nails at the scene had been picked up by the gangsters, it can be seen from the video that this nail gun is basically the same model as the one Jiao Yang found before.Moreover, because during the fight, the gloves of the knife and gunman were torn by the security captain.In the chaos, this person didn't seem to notice it. When searching through the belongings of the two officers on duty, this person left several incomplete fingerprints.

By this time, everyone in the police force believed that although the price was heavy, a major breakthrough had finally been made in the case, and the identity of the murderer could be found out soon.

However, the technical department put together these incomplete fingerprints and compared them in the database, but failed to find the same suspect.

Could it be that the murderer has no criminal record, and the direction of the investigation really deviated?There was a moment of gloom in the police force.

Late at night, both of them stayed to work overtime.Jiao Yang has been screening, in recent years, all cases related to security.

It was all dark outside, Jiao Yang raised his head inadvertently, and saw that the lights were still on in Lu Yuanli's office, he felt warm in his heart.

But this time, almost everyone in the office was working overtime.

Jiao Yang deliberately sighed and said, "Oh, why can't you stay up all night lately?"

Hou Xiyong laughed and said, "Boss, you are prematurely declining, hurry up and check your kidneys!"

"piss off!"

Jiao Yang held the water glass and pretended to rub the coffee machine, "Professor Lu, is your coffee machine still on?"

Hearing what Jiao Yang said, Lu Yuanli got up and walked to the coffee machine, took out a cup of coffee that had just been brewed, brought it to his mouth and took a sip, "Well, it's still burning."

"Uh……"

Jiao Yang looked at Lu Yuanli's extremely smooth movements, so he could only say, "Hehe, what are you thinking? Have you discovered anything new?"

Lu Yuanli said: "I'm thinking about one thing. There are five cases in total. The other four deceased were either still wearing uniforms after work, or wearing security uniforms and working in the duty room. Their identities are very clear. , is the security guard. The old man who is suspected to be the first case is a retired person. When he goes to morning exercises, he always wears sportswear, and it is impossible to wear a security uniform to exercise.

So, how did the murderer clearly identify the identity of the deceased? "

Jiao Yang said: "You mean, the murderer knew the deceased, or at least had some kind of connection?"

Lu Yuanli said, "It can't be that the murderer just happened to overhear the deceased talking on the phone with someone else, saying that I'm a retired security guard?"

"What you said makes sense."

Jiao Yang immediately arranged to re-screen the social relations of the deceased, especially the No. 1 deceased, the retired old man, focusing on the investigation.

The old man's name is Wang Cunzhong. He used to work in an electronic machinery company in Shanghai. He worked for many years and only became a security guard when he was old.

As a result, after some investigation, the police found that the old man had simple social relations, only one daughter, and married out of town.The old man has a gentle personality and is usually kind to others, so he should have no enemies.

The first round of screening was aimed at close relatives of the deceased, but the police did not gain anything.However, considering that the murderer's target was security guards, the police focused the second round of screening on the deceased's working relationship, that is, his colleagues.

After this investigation, two people were screened out.The first one is Zhou Xintong, the security captain before the old man retired.This old man is jealous and has a bad temper. He not only strictly controls the discipline in the factory, but also is very enthusiastic in the community. He often helps catch thieves on the bus and subway.For this reason, he was hated by many criminals in society, and he was retaliated by gangsters more than once.

Moreover, the retired security captain had a good relationship with the deceased in the first case.The old man Wang Cunzhong also helped, and the security captain caught the thief.

In this way, he was captured by the security guards, attacked by the police, and unable to provoke the police, so retaliation against the security-related personnel is very consistent with the initial speculation of the task force on the gangsters.

However, the whereabouts of these social idlers are erratic, and they have no fixed occupation and foothold, so it is very difficult to investigate.What's more, the few people who can be found are all in prison recently, and they can't commit crimes.

The other person was named Xu Bing.This person is just the opposite. He drinks and plays cards all day long. He is usually a normal person. When he is drunk, he makes troubles. He has made troubles to the police station many times.He has always been a good-natured man, and he was different from him when he was on duty. Therefore, there were some quarrels and disputes with the No. 1 deceased Wang Cunzhong at work.But this person died due to alcohol overdose during the Spring Festival this year.

According to normal reasoning, most people would kill in anger because they failed to take revenge on themselves.Since this person is dead, any grudges or grievances he had during his lifetime should be gone.

The task force devoted most of its energy to investigating the enemy of the security captain.Some people continued to track down, in the second case, those who sold stolen goods from aquatic products.

However, Jiao Yang still decided to continue to investigate Xu Bing's social relations.Because, he found that Xu Bing's home was very close to a fish market that the task force had visited.

That is to say, in this aquatic product market, some stall owners once provided clues. A man and a woman came to sell aquatic products, and the selling price was extremely low.Seeing that Xu Bing had a son and a daughter, Jiao Yang couldn't help feeling suspicious.

Then, Jiao Yang checked the identity information of Xu Bing's son, Xu Rui, and discovered that Xu Rui was a worker at the Shencheng Waterworks.However, the relationship between Xu Bing and his son does not seem to be good.

Xu Bing's wife died of illness in his early years. Xu Bing only knew how to drink and play cards, and didn't care much about the house.Brother Xu Rui seems to have been brought up by two aunts in turn.The two fathers and sons went to the police station twice because of trivial household chores, and Xu Rui also reported in his real name that Xu Bing domestically abused their siblings.

In this case, would Xu Rui kill someone just because of the quarrel between Wang Cunzhong and Xu Bing?

However, if the domestic violence is true, it is possible for Xu Rui to anger other security guards when he grows up because he couldn't resist when he was young.There are precedents for such cases at home and abroad.

Jiao Yang immediately asked Mo Ke to go to the local police station to read the case materials of Xu Bing and his son.

After Mo Ke copied a copy of the records of the two police trips, he brought it back to Jiao Yang to see.

Jiao Yang suddenly saw that Xu Rui had his fingerprints on a police report that called the police.

A flash of inspiration flashed in Jiao Yang's mind, and he immediately asked Mo Ke to take this copy to the Technical Investigator's side to do a comparative analysis with the few fragmented fingerprints found at the crime scene.

Jiao Yang continued his in-depth investigation and found that Xu Rui was an employee of a forklift company in Shencheng several years ago.And this company has a dedicated electric welding workshop.That is to say, the company's personnel can also have the two necessary conditions of nail gun and electric welding at the same time.

"Team Jiao, Team Jiao!"

The next day, Wei Fenghao ran over excitedly and said, "The comparison result is out! It matches! But because the overall fingerprint is made up of several broken fingerprints, it can only be said that now the two fingerprints can basically be identified as the same!"

"Okay, that's good too!"

The task force locked down Xu Rui, and by this time, the suspect had finally surfaced.

However, in order to avoid mistakes, Jiao Yang still took people to visit the water company.

Of course, in order to avoid leaking the news, the task force did not explain the real intention of coming.

The leader of the waterworks administrative department, when he saw the police came to inquire about Xu Rui, he had an expression on his face, "Officer, has this kid been arrested for theft and robbery?!"