At 8 o'clock in the morning, the central city of Beiyang County was as noisy as usual.

Deafening music is playing in sports brand stores along the street, and little girls compete outside the store with microphones or headsets to attract customers. The entrance of the mobile phone hypermarket is carrying out promotional activities, with a large background, a large stage, a huge balloon arch, and adults and children crowded on the side of the stage in the dark, which is very lively.

The new era Internet café opposite Lotte Supermarket is a little deserted, the main entrance is locked, and there is a sign that reads "Equipment upgrade, closed for two days", and several network managers sit under the sun umbrella outside the gate to play mobile phone chat, and some customers come to get up to explain to others and express their apologies.

A black Mercedes-Benz stopped at the door of the supermarket, and Ma Hongjun, the owner of Beiyang Hotel, looked at the Internet café opposite, and said through the guò Bluetooth headset: "Hongfeng, all arrangements are made here." The Internet café chartered for two days and delivered 180 scanners. There will be no one at the front door, they should be in the back door. ”

The bloody case four years ago has been forgotten by many people.

People only know that the public security department does not know what kind of wind to smoke, and they have to carry out some second-generation ID card fingerprint supplemental pilot, they have to press a fingerprint, pay 20 yuan for the production cost, and go to the police station to replace the ID card with fingerprint information in a month. You can record locally or in other places, and it's not particularly troublesome to think about.

They didn't know that it was the drunkard's intention to drink, Ma Hongfeng had been the captain of the criminal police for so many years, and he knew that the Office of the Provincial Department of the Leading Group for the Investigation of Backlog Cases was re-investigating the murder of his parents, and as soon as he heard the news of the old unit's fingerprints, he guessed what "801" wanted to do.

Starting from the fingerprints, the comparison scope covers the whole county, which is much more reliable than simply touching the row.

With such a large turnover of personnel, it is simply impossible to complete the task of collecting the fingerprints of adult men in the county in a short period of time.

When he inquired that the observation group, composed of deputy directors of public security departments (bureaus) of fraternal provinces and cities across the country, criminal investigation corps, and deputy chiefs, was observing the second round of "801" backlog of cases in Jiangcheng, he suddenly realized that with so many leaders helping to coordinate, this was not an impossible task.

People have left their names, and geese have left their voices.

As long as the suspect is not dead, he has not fled abroad. Then it will be difficult for him to escape the net laid by the provincial department.

This requires a lot of police and financial resources, as a family member he can't do nothing, from his old comrades-in-arms learned that the bureau wants to charter Internet cafes, and to borrow scanners from the county's government departments and institutions. Call the eldest brother and second brother immediately.

The revenge of killing his father and mother, he does not share the sky.

Ma Hongjun has a lot of money, as long as he can catch the murderer, how can he care about this money, as soon as he receives a call from the third child, he will charter the Internet. bought a scanner, and by the way, donated 500,000 yuan to the county public security bureau to handle the case.

Money is not everything, and no money is everything.

These days, the money is like water, and if you count the money spent by the task force, the Beiyang County Public Security Bureau has spent millions on this case. The bureau leader was not polite, so he used the Internet café he chartered and accepted the money he donated.

As he expected, in order to avoid causing unnecessary panic and to avoid causing a negative impact on the Internet café, more than 200 cadres and policemen from the county bureau and the surrounding county bureaus were urgently dispatched. All wear casual clothes and enter through the back door.

The police officers of the public security brigade organized the police officers of the police stations in each jurisdiction to sort out the piles of fingerprint materials, more than a dozen engineers sent by the system provider set up servers in the hall, the police officers of the network supervision brigade connected and tested the LAN under the guidance of the engineers, and the two technical police officers of the county bureau were training other police officers in a surprise attack.

Tai Chao has seen big scenes, and even arrested a suspect once like in a Hong Kong movie. But investigating the case in this way, not to mention that he has not seen it, should be the first case in the country.

The observation team is staring at the command center of the hall, and success or failure is here. As the commander-in-chief in charge of the fingerprint line, he did not dare to slack off even a little.

He invited the fingerprint comparison peers drawn from the provincial and departmental criminal investigation bureaus from the municipal bureaus to the side, took out a stack of materials prepared in advance from his bag, and said with a stern face: "You are all experts." We have their own tricks on how to fish, and then we have to cross the sea to show their magic and try to get the suspect out of the fingerprint bank. But we don't have much time, so we can't compare slowly, so I told the engineer to divide the fingerprint library into two large libraries.

A large library is similar to the local library we normally use. It can be searched by means of guò feature points and guò zoning area comparison; Another large reservoir has been programmed into several small reservoirs, and a small reservoir is a township, which is as difficult as catching a small fish in the sea, but it is easier to catch a pond. ”

The people who came here were all fingerprint crime solving experts, including senior engineers from the Criminal Technology Center of the Criminal Investigation Bureau.

In the past four days, they divided into seven groups and went to the surrounding cities for comparison, and two groups even went outside the province. Although they did not fish out the suspects to be arrested by the Inventory Headquarters, the Criminal Investigation Bureau's Major Cases Division, which likes to cuddle the grass and beat rabbits, let them bring more than 100 fingerprints collected over the years.

Through cross-city and cross-provincial mergers, they found more than a dozen valuable clues and locked on a suspect suspected of intentional homicide nine years ago. The Criminal Investigation Bureau is organizing cadres and police officers to follow the line and expand the results of the battle.

A trace engineer took the material and said, "No problem, I'm in charge of the big warehouse." ”

"It's okay to be in charge, the key is to get people out. Liu Gong, the material is some of the characteristic points I analyzed, you can try it when you catch it. ”

………

Five days have passed, and many of the colleagues who participated in the investigation have withdrawn their troops.

As of 8 o'clock this morning, a total of 11 cases have been cracked and 16 suspects have been arrested. The truth of the other two cases has been clarified, and the cases have been handed over to the public security bureau where the crime occurred, and they are responsible for pursuing and arresting them.

There are only two cases left that are still being investigated, and the one Li Yue is responsible for really can't find a clue, and is about to go home, Jiang Yi doesn't want to go back like him, sitting in the 110 command center of the county bureau looking at the materials one by one, trying to find some clues.

Zhang Xiang was also under great pressure, and took a copy of the materials that had just been counted from the hands of the county bureau police, and said solemnly: "There are 221 men between the ages of 20 and 35 who have not had their fingerprints collected, of which 4 are studying abroad and 59 are in the army. 79 people were exported to work abroad, 7 people absconded in fear of crime, and 16 people ran away from home without any ......"

Jiang Yi raised his head and said, "If Brother Chao doesn't catch it, it means that the suspect may be among these 221 people." ”

The Beiyang dialect is not as difficult to understand as the Beijing dialect, but it is not very easy to learn. And the people who speak dialects are relatively concentrated, and there are more than a dozen administrative villages on the border with Dongshan. The accent is different when you speak across a small river. If the owner of the shop across the street from the scene of the crime is not mistaken, at least one suspect is a local.

Zhang Xiang put down the materials, lit a cigarette and said, "It's not possible to be inside, it's definitely inside." Unless the suspect died early like the suspect in Yunshan's case. ”

"There are not so many coincidences in the world, and death is not very likely."

"It's up to Tai Chao now, I hope he won't let us work in vain."

Until the last moment, he couldn't give up any line, Jiang Yi kept the master's words in mind. Turning around, he said: "Qian Brigade, let's study this list, and then organize a side investigation by the police to see if we can rule out some more." ”

"Okay."

People who study abroad have a good family background and are unlikely to commit crimes; Foreign money is not so easy to earn, they manage others for money, others care about their lives, most of the people who go abroad to work are hard-working people, and the possibility of committing crimes is also unlikely;

Those who joined the army can't be checked, so they can only put it aside. However, some of these officers who have already been promoted to higher education can be directly excluded. They studied one by one, and asked the intelligence countermeasures squadron to connect with each other on the Internet one by one, and until 3 o'clock in the afternoon, they further narrowed down the number of people who did not have fingerprints collected to 27.

Just as he was about to make a phone call to ask Tai Chao how much had been uploaded over there, a police officer hurriedly walked in: "Section Chief Jiang, this Zhang Huimao can be ruled out, Xiao Qian just found out that his right leg was broken before the case, and he has been at home for several months." ”

"Then there are 26 left."

She picked up the pen and crossed the list, noticed a name under Zhang Huimao, and couldn't help asking, "This Li Xiaodong's situation is not clear?" ”

Suspicious people were found on the first day. Team Qian was impressed, shook his head and said with a wry smile: "His brother's situation has been mastered, there is no problem, his situation has not been clarified for the time being." Due to age. He was not the subject of a key investigation, and there were not so many police forces to investigate, so he remained on the list. ”

There must be something wrong with his parents talking nonsense with their eyes open, not providing their contact information, and not allowing the police to collect their fingerprints.

Thinking that Yaoyao is only 14 years old, she is so tall. can organize the wedding for the master and the master, Jiang Yi suddenly found that he was too careless, and suddenly got up and said: "Qian Brigade, this Li Xiaodong is too suspicious, it must be investigated to the end, and the suspicion cannot be ruled out because of his young age." ”

The Commissioner has reminded more than once that the work must be meticulous.

Zhang Xiang said with deep understanding: "There are not 1,000 teenage petty criminals in the country, but there are 900 them, otherwise what the juvenile detention center should do should be investigated." ”

"Yes, I'll arrange for someone to investigate from the side."

At the same time, the fingerprint upload work of the New Era Internet Cafe has been completed.

I heard that there were a lot of fingerprints from more than 70,000 people, and more than 300 copies were distributed to each plane. Tai Chao was not in a hurry to compare, but asked the two police officers of the technical squadron of the county bureau to fish first as the last test.

Last month, a factory warehouse in the industrial park was stolen, a batch of textiles worth more than 500,000 yuan was stolen, there was no monitoring around, only a few fingerprints were collected at the scene, the technical police took a deep breath, under the gaze of more than 200 pairs of eyes, not without nervousness to upload, search.

With a light tap on the enter key, three fingerprints popped up.

There are only more than 70,000 fingerprints in total, which cannot be compared with the fingerprint database of former criminal officers of the Ministry of Public Security, and he is not surprised that only three Tai Chao popped up, he is concerned about the similarity.

To everyone's ecstasy, the characteristics of one of the three fingerprints, which were exactly the same as those taken at the scene of the theft, were checked five times in a row, and it was almost certain that the suspect had left them.

It's so easy to use, the police really want to leave this fingerprint database and comparison system in the county bureau.

But you can only think about it, because it's not a question of how much the equipment and systems are worth, but a range of legal issues involved. Doing so now can be said to be playing a side game, and if it spreads, it will cause a series of controversies about whether citizens have been abused.

Tai Chao suppressed the excitement in his heart and said in a low voice: "Try one more thing." ”

"Yes!"

The county's population mobility is not very large, and many small cases are done by locals, and a fingerprint extracted at the scene of the theft of the cigarette hotel was successfully compared and successfully identified.

"Liu Gong, let's start."

Tai Chao motioned for his peers to start, and said with a smile: "Xiao Wu, we can give you one night after we are done, fish slowly, fish well, and you can't fish again until tomorrow morning." All of these materials will be deleted, and all the uploaded materials will be destroyed. ”

It is so cool to treat all the adult men in the county as suspects, Xiao Wu said with a smile, "Thank you, Brother Chao, one night is enough." ”

He was cool, but Tai Chao was not happy, he fished more than a dozen times in a row, and changed more than a dozen methods before he fished out four similar fingerprints, and they were just similar. The same is true of the trace identification experts drawn by the Criminal Investigation Bureau of the Provincial Department from various municipal bureaus, who tried their best and racked their brains, but found nothing for more than an hour.

How is it possible, could it be that there is a problem with the situation that the task force asked about at that time.

Tai Chao was frustrated, and called hard-headedly and said, "Section Chief Jiang, I'm sorry to disappoint you." The suspect may not be a local, or he may not have been fingerprinted. ”

Afraid of something, Jiang Yi was cold in her heart, and was silent for a while before pretending to be relaxed: "I have a list of people who have not collected fingerprints, although you haven't caught it, but your work is very meaningful, so much money has not been spent in vain, at least help us eliminate so many people." ”

It's a shame to be out of school!

Tai Chao secretly sighed and said cautiously: "Section Chief Jiang, I will ask the owner of the small shop again to confirm whether the person who went to buy cigarettes is a suspect." ”

"We have to believe in the provincial task force, and so much time has passed, people may not remember it."

"Okay, you check yours, and I'll help the county bureau salvage fingerprints collected at other crime scenes."

The suspect was a young man, he didn't grab much money, his modus operandi was very rough, and he had no criminal record, and his fingerprints were not collected, the more Jiang Yi thought about it, the more he felt that Li Xiaodong, who was in the same town as the two victims, was suspicious, gritted his silver teeth, put down his mobile phone and ordered: "Qian Brigade, immediately summon Li Yunbao and his wife, ask them separately, and ask them why they are lying." ”

This is no way, Zhang Xiang nodded slightly, and added: "Send a coordination notice to the Dongzhou Municipal Bureau, asking them to summon Li Xiaodong's brother Li Xiaoshan at the same time, and try to find out the whereabouts of his younger brother." (To be continued.) )