Wang Qian looked at Gu Chen blankly, then shook her head.

"You don't know?" Gu Chen said.

"Comrade policeman, 20 years. Wang Qian stretched out two fingers and said weakly: "If you want to remember these things from 20 years ago, then I must be lying." ”

"But I can tell you that the man was tall and thin, and he had a black mole under his ear, which I was very impressed with, because I also had a black mole under my ear. ”

When the words fell, Wang Qian measured the right side of her face, pointed to the bottom of her right ear and said, "See? It's just that the man's black mole is much bigger than mine, and at a glance, it is very obvious." ”

According to Wang Qian's account, Gu Chen recorded the specific characteristics of the person who bought the tape, and asked, "Are there any other characteristics?"

"Well, Mandarin is not very good, and it is not a local accent in Jiangnan City, maybe with a Jiangbei accent. ”

"Jiangbei accent?" Gu Chen hesitated for a moment and asked Wang Qian: "How can you conclude that it is a Jiangbei accent?

"Of course, my lover is from Jiangbei, and he speaks with a Jiangbei accent, so I know this very well. ”

"It is precisely because of these characteristics that I remember some of the characteristics of this person, otherwise I would have forgotten them a long time ago. ”

I feel that Wang Qian is not without gain here, at least it shows that the man who once came to the store to buy tape must have nothing to do with the murderer.

Considering the authenticity of Wang Qian's confession, Gu Chen decided to return to Jiangnan City and find other shopkeepers who opened shops opposite the No. 3 Middle School in the city to verify Wang Qian's statement.

On the other hand, what the specific situation explained by Wang Qian is still to be discussed by Gu Chen.

But Gu Chen found the same kind of tape 20 years ago in Wang Qian's stationery store.

But so far, Gu Chen has not found any connection between the woman named Wang Qian and the victim Lu Jun.

Returning to the criminal investigation team of the Hangzhou Branch, everyone still sat together and discussed intensively.

Nie Qin said: "Our investigators investigated very carefully, but the more they investigated, the more they felt that this woman did not seem to be involved in the case." ”

"When handling a case, the most fearful thing is that it is in the wrong direction. Gu Chen clasped his hands to his chest and said thoughtfully:

"Judging from the location of the fingerprint, there is a ninety percent chance that it was left by the suspect, but sometimes it is so coincidental that the fingerprint is not the suspect's. ”

"Wang Qian is that Yicheng?" asked Yuan Shasha.

Gu Chen nodded silently: "Probability, it's hard to say. ”

But this clue is very important, and in order to approve this clue, it is also necessary for the criminal investigation colleagues in Hangzhou to carry out an in-depth investigation around this Wang Qian's life experience, social relationships, economic contacts, and activity trajectory. ”

"Don't worry, leave it to us. The first-class superintendent of the criminal investigation team said: "After several times of our research, in fact, we can finally rule out the possibility of her committing the crime, because this fingerprint is very likely to be glued by her before she sold the tape." ”

"It's also possible. Nie Qin glanced at Gu Chen and asked, "What do you think?" ”

"Maybe, but at least we got some important clues here with Wang Qian, at least we were more impressed by the murderer. ”

When Gu Chen said this, he was actually comforting everyone.

After all, the fingerprints with high hopes suddenly lost their value and significance, and everyone who participated in the investigation was like losing a treasure that had been treasured for a long time, and their hearts were empty.

......

......

Not long after returning from Hangzhou, Gu Chen went directly to the technical department of the city bureau, and sent Officer Ding and Wu Xiaofeng to investigate Wang Qian's storefront, mainly to ask the proprietress of several shops opposite the city's No. 3 Middle School whether they had discussed with Wang Qian about the floating corpse case.

is also to verify Wang Qian's confession.

Although Gu Chen did not have hope for Wang Qian's clue, the necessary supplementary investigation was still needed.

It was also on the way back to Jiangnan City that Gu Chen received a call from Gao Chuanfeng, saying that he had made some progress in palm prints.

Therefore, as soon as Gu Chen and his team members returned to Jiangnan City, they did not return to the Furong Branch at first, but went directly to the Technical Department of the Municipal Bureau.

When they came to the testing room, Forensic Doctor Liu and Gao Chuanfeng had been waiting there for a long time, and the first time they saw Gu Chen, Forensic Doctor Liu grabbed Gu Chen and walked inside: "Gu Chen, you come with me." ”

"Did you make a discovery?" asked Gu Chen.

Forensic Doctor Liu threw one of the documents to Gu Chen and said, "We have been studying fingerprints before, but I heard you call from Hangcheng and say that the fingerprints may have been left on them before purchase." ”

"So according to your thoughts, I immediately put all my attention on these two small palm prints, this time there happened to be an old expert in Jiangnan City to exchange and study, and there is a lot of research on the comparison of palm prints, so I asked him for relevant things. ”

"So there's a breakthrough?" Gu Chen asked.

Forensic Doctor Liu smiled faintly: "You guess?"

"Just look at your expression, do you still need to guess?" Gu Chen saw hope in Forensic Doctor Liu's expression.

Forensic Doctor Liu also nodded fiercely: "That's right, there is a breakthrough, fortunately, 20 years ago, in order to peel off these two small palm prints from the adhesive tape that were glued together, it really took a lot of effort for me and the men of the criminal investigation team." ”

Pointing to the picture information on the data, Forensic Doctor Liu said: "The extraction of these two small palm prints is of high quality and very clear, which is the evaluation given by the old expert." ”

"Forensic Doctor Liu. When Gu Chen heard this, he also nodded silently: "I know that as far as the whole country is concerned, the construction of the palm print library is still in the early stage, and there are not many samples of our palm print library in Jiangnan City. ”

"But it's also quite difficult to compare, especially if it's a sample from 20 years ago. ”

"Don't worry about that now. Forensic Doctor Liu glanced at Gao Chuanfeng beside him, beckoned, "Gao Chuanfeng, what are you still doing there?" ”

"Oooh. Gao Chuanfeng, who was a little stunned, heard this, so he ran to a few people in small steps, handed over the information in his hand, and said:

"This is the information matching that we carried out in the past two days, according to the advice of the old expert, after entering these two small pieces of palm prints, and several pieces of information with high similarity quickly popped up. ”

Later, after the old expert's artificial visual recognition comparison, he locked on one of the men, and his match was very high. ”

"So that's the case?" Gu Chen smiled faintly when he heard this, and hurriedly asked, "Why didn't the match be successful before?" Is it because the palm print library has limited information?"

"Yes. Forensic Doctor Liu smiled faintly and explained: "Many of the previous information databases have not been perfected on the network, but this time, with the help of old experts, I have obtained a lot of new palm print information." ”

After this comparison, there were thousands of choices, and I finally found a match in the old expert's artificial visual recognition comparison. ”

Gao Chuanfeng said with a smile: "Using artificial naked eye recognition and comparison, we ordinary people really have a bit of a headache, but that old expert is more divine, he happens to specialize in this topic, so he quickly found a matching one." ”

Gu Chen looked at the information in his hand and asked, "So this man named Zhang Quan is the one with the matching palm prints on the tape, right?"

"Yes. Gao Chuanfeng sketched out the two small pieces of broken palm prints with a pen: "Have you seen it?" Although the direction of the palm print is defective, but make up for it, and then according to the direction of the palm pattern, these broken parts can still be connected, which is the wisdom of the old expert. ”

"Before, we thought that the extracted palm print was actually not ideal, but in the hands of others, the palm print can be played with magically. ”

"And now many places have begun to establish palm print libraries, so to say, this person named Zhang Quan can be found this time, it belongs to a blind cat encountering a dead mouse. ”

"It's the same as you last time?" Gu Chen was also overjoyed when he heard this.

With this clue, the efficiency of finding it will increase considerably.

Lu Weiwei took the information from Gu Chen's hand, flipped through it and found that the man lived in Jiangnan City at this time.

But when he looked at it again, he frowned: "This person is still a big boss of the company?"

"That's right. Forensic Doctor Liu nodded slightly and explained: "This man named Zhang Quan is doing a lot of business now and has a solid family. ”

"But according to our repeated checks, his palm print information, after comparing it with the two small pieces of palm print information we extracted from the tape before, is almost identical. ”

"Just call him in and ask. Gu Chen looked down at his watch, it was already 4 o'clock in the afternoon.

Lu Weiwei asked, "Now?"

Gu Chen thought for a moment, and then changed his words: "Let's wait first, don't startle the snake, investigate Zhang Quan first, and then make a conclusion." ”

"I think it's doable. Officer Wang agreed very much, so he took out his mobile phone and took pictures of all the documents and information on the materials.

then sent it to He Junchao, ready to ask He Junchao to investigate this person's situation.

After completing all the operations, Gu Chen shook hands with Forensic Doctor Liu and said, "Forensic Doctor Liu, thanks to you this time." ”

"Where are the words?" Forensic Doctor Liu frowned, and he was also quite emotional: "This case spans 20 years. ”

"It would be nice if there was such perfect information back then, but it's a pity that the fish that slipped through the net has been dashing for 20 years. ”

"If the murderer is really this person named Zhang Quan, it can only mean that it is a shame for our investigators. ”

"Don't worry, Forensic Doctor Liu, leave the matter to us. Gu Chen understood Forensic Doctor Liu's mood very well at the moment.

If the murderer is really this Zhang Quan, then Zhang Quan, who is now an entrepreneur, is indeed a satire on the police officers who worked hard to investigate back then.

Time was running out, Gu Chen took the information and Forensic Doctor Liu's explanation, and quickly returned to the Furong Branch.

At this moment, He Junchao is also intensively investigating Zhang Quan's information.

Seeing that Gu Chen and the others had arrived, He Junchao also snapped his fingers and said, "I have already sorted out the things you want." ”

"So fast?" Lu Weiwei was surprised.

He Junchao was dumbfounded: "Have you seen me when He Junchao has been slow? Maybe this job is a challenge for others, but for me He Junchao, it is so easy." ”

"Look, you're almost up to the sky, right?" Lu Weiwei walked to the side angrily and looked down.

He Junchao immediately rolled the page up and said casually.

"This Zhang Quan, don't look at him now that he has a very big factory, he had a fraud experience back then. ”

"Fraud experience?" Hearing He Junchao's words, Gu Chen hurriedly asked, "What kind of fraud do you mean?"

"Well, of course, it's the experience of cheating the car many times, and I've sorted it out here. ”

When the words fell, He Junchao immediately clicked on other sorted information and said: "I investigated Zhang Quan's personal experience and found that in his early years, Zhang Quan was also a gangster, and I found that he had many experiences of cheating cars and being a car. ”

Clicking on the next page, He Junchao said: "See, this is the transcript that I retrieved from the database, and I really want to thank those colleagues who have done a solid job of basic work, the transcript of the year is very detailed, which can enable us to find a breakthrough." ”

Gu Chen tried hard to look at the file, and the corners of his mouth were slightly raised: "This guy was a master of fraud 20 years ago?"

"But no, don't look at him as a beautiful person now, but he can't erase the records of these fraud cases back then. He Junchao clicked on the next page of the information and said:

"See, according to the case records of my colleague back then, it was the boss of a commercial firm who made the interrogation record, and he said that a man drove his car to the commercial bank to pawn it, and submitted the vehicle driving license, the owner's ID card, and the vehicle purchase surcharge payment voucher, etc., which was the first time he was a pawn. ”

"I made an appointment to pick it up in a month, but I picked it up after a week, and I came back a week later to be a car, and I haven't picked it up since then. ”

Later, the owner of the firm found out that the car was a fake license plate and all the formalities were fake. ”

So the owner of the commercial bank chose to call the police, and according to the police's questioning of the owner of the commercial bank at the time, it was found that the man who was in the car was in his 30s, about 1.7 meters tall, of medium height, with a Jiangbei accent, and his appearance was the same as on the fake ID card. ”

Later, the police conducted a very careful investigation of the Santana car, but because it had been a year and a half since the incident, many people had come into contact with the car, so they did not find any information related to the case. ”

After a pause, He Junchao said again: "These are just records from more than 20 years ago, that is, some of the situations that happened before Lu Jun was killed. ”

At that time, Zhang Quan basically lived on this kind of fraud. ”

"Didn't you get fingerprints back then?" asked Lu Weiwei.

He Junchao explained with a light smile: "At that time, the top priority was still fingerprints, but with the development of fingerprint technology and the construction of fingerprint libraries in various places, our Jiangnan City police have not stopped the work of fingerprint comparison, but there has been no comparison." ”

What's more, after Lu Jun was killed, the fingerprints found by Forensic Liu on the tape had nothing to do with Zhang Quan. ”

"Let's not talk about this first, let's talk about Zhang Quan's fraud. Gu Chen said.

"Okay. He Junchao didn't like divert the topic, and directly turned the information to the next page.

Over the years, as long as we hear about a taxi robbery, our Jiangnan City police will compare and judge the case of Lu Jun's murder. ”

"And in recent years, our technology has developed rapidly, although considering that the photo on the fake ID card provided by the suspect may not be the person, and the photo is not very clear, we can still use the new technology to search and compare multiple times. ”

"But 20 years ago, it was really difficult, and the colleagues at that time identified those fake documents of Zhang Quan, which was enough to make people's heads big. ”

"Over the years, Zhang Quan's shit luck has made him an entrepreneur, and now he has unlimited scenery and often does charity, which can be regarded as whitewashing himself. ”

After a pause, He Junchao said again: "But to outsiders, maybe he has been whitewashed, but for us, the case record can still see clearly what he has done?"

"Which car dealer reported the crime. Gu Chen heard He Junchao's words and hurriedly asked.

He Junchao looked down, then looked again, and then said: "It's called Volkswagen's House, and it's a place in Jiangnan City that sells second-hand cars earlier." ”

"Then is this car dealership still there?" Gu Chen asked again.

He Junchao crackled on the computer keyboard for a while, and then replied: "Obediently, this car dealership is now in our Jiangnan City, and there are 10 branches?"

"Where is the location of the store that reported the crime?" asked Lu Weiwei.

He Junchao pointed to the address in the lower corner of the screen and said, "Xin'an Road, No. 125." ”

"Let's go. Gu Chen didn't have time to think about it, not long after he entered the door, he had to continue to set off at this moment.

He Junchao hurriedly said: "Why don't you drink saliva and leave?" And Lu Weiwei, can you give me some potato chips to eat? I'm a little hungry." ”

"I've got you covered. "It's rare for Lu Weiwei to be generous.

He Junchao didn't say a word, and hurriedly ran to Lu Weiwei's drawer and pocketed the shrimp-flavored potato chips.

......

......

On the other side, Gu Chen drove everyone to Xin'an Road, No. 125.

At this moment, this is no longer the second-hand car dealership of the past, but a restaurant.

Gu Chen walked to the cashier and asked, "Excuse me, may I ask if there was a car dealership called Volkswagen Home before, do you know where to move?"

"Volkswagen House?" Hearing this, the cashier brother directly pointed to the opposite side of the street not far away: "There is one over there, but I heard that the car dealership of Volkswagen Home has opened many houses in Jiangnan City, if you want to buy and sell cars, just find one." ”

"Thank you. Through the introduction of the cashier brother, Gu Chen had already seen the signboard of Volkswagen Car Dealership from a distance.

At this moment, this car dealership called "Volkswagen Home" is already a famous car exhibition area of several hundred square meters.

It is located downstairs in a new real estate business district.

Not only that, but there are also various vehicles placed at the door, and the scale looks decent and relatively formalized.

Seeing Gu Chen and everyone looking left and right, a uniformed front desk lady took the initiative to come out and greet her: "Welcome to Volkswagen Home Auto Dealership, do you want to buy or sell a car? We can help you deal with it here." ”

"Can the police car handle it?" asked Officer Wang.

The female receptionist smiled and nodded: "As long as it is a car business, we can handle it here, even pawn, so please don't doubt it, because our car dealership is a time-honored brand, and Tong Su is not bullied." ”

"I'm looking for your boss. Before the female receptionist could finish speaking, Officer Wang interrupted directly.

......