"How do we do this?" Wang Zhong conscientiously stood next to Jiang Yuan.

After removing the matched fingerprints, there were still over ten fingerprints left, which were left behind by several people. For the forensic team, this workload was like a big case.

"Do you remember this case?" Jiang Yuan asked first. Three years ago, Wang Zhong was already in the field of forensic science and was one of the only two forensic investigators in the county.

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Wang Zhong shook his head and said, "I don't remember much. It wasn't a particularly significant case. When we compare fingerprints, we don't necessarily need to look at the case. We can just compare the fingerprints directly."

Wang Zhong was like a student who was happy with just passing. When his test scores were below 60, he would work very hard, but when his test scores were obviously above 60, he would easily give up. When it came to matching fingerprints, he could do it well if he found a match, but he was also good at self-explanation when he couldn't find a match.

Jiang Yuan didn't need to worry about this. He found a notebook to record the findings and said, "Let's classify these fingerprints first and see how many people they belong to. Then we can select suitable ones for matching."

"Okay, should we record them according to the photo numbers?" Wang Zhong also took a notebook and sat on the side.

Jiang Yuan agreed and focused his attention on the fingerprints, occasionally comparing them by flipping them over.

Most of the fingerprints on the bicycle appeared in pairs. In addition to Ding Lan's fingerprints, there were multiple pairs of fingerprints found on the front of the bike, the longitudinal beam, and under the seat.

It was conceivable that these fingerprints were likely left behind by someone or a few people who abandoned the bike at the scene of the crime. Perhaps the situation at the time could also be determined.

However, this kind of reasoning only occurred in Jiang Yuan's mind.

Jiang Yuan was a newcomer who not only lacked experience but also lacked knowledge in criminal investigation, reasoning, and case-solving. Compared with the young police officers in the criminal investigation team, who were almost all graduates of police academies, even the young auxiliary police officers had graduated from police schools in their province, and they were often working and studying at the same time, waiting for the opportunity to get a permanent job. Once they obtained a position, they were ready for action.

At the higher levels of the city bureau and provincial department, there were also graduates from the People's Public Security University of China and the Criminal Police College, which were the top two universities in the police field. Graduates from these universities were at the top in terms of intelligence, physical fitness, skills, and knowledge, but they still had to learn from the older police officers when they entered the workplace.

Jiang Yuan, a newcomer who studied forensic science at a medical university, did not consider himself to be smarter than his colleagues in criminal investigation like Sherlock Holmes.

If there was no heaven-sent forensic system, Jiang Yuan estimated that he would only be sitting in the office waiting for bodies, or doing some injury assessments with Wu Jun.

However, with the system, Jiang Yuan's situation was completely different.

But he only wanted to make good use of his existing advantages.

To use the thinking of the famous Chinese strategist Zeng Guofan, the best shortcut for a beginner is to build a strong fortress and fight a dull war.

Jiang Yuan didn't bother to distinguish whose fingerprints they might be. He simply classified them, arranged them in order, and then matched them one by one.At the end of the day, Jiang Yuan had only finished three sets of nine fingerprints.

The difficulty of the fingerprints was not high. They were about LV2 level, which were fingerprints left on cylindrical metal or on bicycles.

Compared with Liu Yu's injury case, which was caused by a student celebration after the college entrance examination, the fingerprints left on the stool were at least at a strong LV3 level.

However, the Liu Yu injury case involved serious injury and related to the college entrance examination and teenagers, so it was handled by experts at the provincial and municipal levels. At that time, it was difficult to solve because the fingerprints were too incomplete.

The Ding Lan missing case was completely different.

At most, Wei Zhenguo, the deputy captain of the sixth squadron, cared about the case, but they never received good technical support.

For Jiang Yuan, matching the fingerprints was not difficult unless there were no corresponding fingerprints in the database. The reason he was slow was that the fingerprints on the cylinder were deformed and required more time to adjust.

"Jiang Yuan, are you going back?" Wang Zhong came into the office again and curiously asked, "How many fingerprints did you match?"

"Three people." Jiang Yuan had processed nine fingerprints, which belonged to three colleagues of the victim Ding Lan.

"Amazing." Wang Zhong felt a little embarrassed. Theoretically, these fingerprints should have been matched by him, but he failed. Jiang Yuan's ability to match them in half an afternoon proved that the gap in their abilities was quite large.

Jiang Yuan modestly smiled, "I'm just lucky."

Wang Zhong shook his head and then invited him, "Let's have dinner together tonight. You've been here for so long, but we haven't had a chance to chat properly."

"Okay. How many people?" Jiang Yuan readily agreed.

"I invited a few people of similar age. Do you want to invite Wei Yin?" Wang Zhong winked at him.

"Wei Team's daughter? I don't have her contact information." Jiang Yuan laughed.

"Her phone number is in the internal contact book, and you can add her on WeChat in the group chat." Wang Zhong encouraged him.

"Okay." Jiang Yuan smiled and opened his phone, found the WeChat group chat, searched for Wei Yin, and selected to add her as a friend.

Watching Jiang Yuan's smooth operation, Wang Zhong was stunned.

In a group of bachelors, similar teasing and encouragement often ended with the teased person giving up. Wang Zhong never expected that Jiang Yuan would not give in at all.

What surprised Wang Zhong even more was that in just a few minutes, Wei Yin had already approved Jiang Yuan's friend request.

Watching Jiang Yuan type so easily, Wang Zhong became confused - was it because the school he attended was not suitable for him?