Looking at Shen Qiang's wandering gaze, Qian Shanxue's pretty face blushed slightly for no reason, then she unprecedentedly gave a charming look, glanced at Shen Qiang, and corrected, "Don't flirt with me, I'm your supervisor, and it's work time now."

After saying that, she gallantly got back into the car, then opened the co-pilot door, raised her eyebrow and said, "Get in, we still have things to do."

Shen Qiang laughed, bid farewell to the crowd of demons, and then got into the car.

Closing the car door he said, "Alright, my dear female supervisor, where are we going next?"

Hearing this, Qian Shanxue's face turned red, "It's female supervisor, drop the 'dear'."

Shen Qiang laughed and pretended to raise an eyebrow seriously, "Why? Everyone around me calls me dear boss, I don't think there's anything wrong with that."

Upon hearing this, Ali and Ye Xiaolei laughed out loud.

Qian Shanxue blushed and said, "Shut up."

Then started the car.

As the car left the alley.

Squatting in the alley, the many demons happily eating the snacks Shen Qiang had given them looked excitedly at the direction the car was leaving.

"Boss Ji Wei, the female officer next to the boss is really beautiful, has great temperament, and she's tall too. I could clearly see she likes the boss but pretends otherwise, women are hard to understand."

"Yeah, women are scary, that's why female demons are better, eat until full and think of nothing else."

"Hehe, you guys know nothing, that's called being reserved. I'll keep a bag of this, the snacks the boss gave, and take it back to show others, they'll be so envious."

The crowd of demons laughed heartily.

At this moment, Qian Shanxue, who was driving in the car, parked it near a small square not far from Renmin Road.

Sitting in the passenger seat, Shen Qiang looked puzzledly at the many elderly people in the square and asked, "What are they doing?"

Qian Shanxue was stunned, then said, "It's the weekend, they're here to arrange blind dates for their children."

Shen Qiang laughed, "Are you here for a blind date?"

Qian Shanxue shook her head.

Shen Qiang asked puzzledly, "Then why are we here?"

Qian Shanxue rolled down the window, turned off the car, then took out a laptop and said, "The intersection ahead is well-connected, convenient for responding to unexpected situations. No matter where something happens in the Provincial City, we can easily move forward from the intersection ahead."

Shen Qiang sighed, "You mean we're going to wait aimlessly here?"

Qian Shanxue was puzzled, "What's waiting aimlessly, aren't we supposed to screen those unsolved cold cases? In the past, to do such things, we had to go to the archives, but now everything is online, you can check it through the computer, log into your Dragon Group account. Our status on the police side is special investigation personnel, our access is much greater than that of ordinary officers."

Shen Qiang sighed, it seemed this grunt work was unavoidable.

"Why not let the demons from Heshenghe help? Many hands make light work, those unsolved cases, let them research together, there might be a breakthrough."

Qian Shanxue said coldly, "No, those materials must not be made public."

Shen Qiang sighed.

But just as he opened the computer, Ye Xiaolei suddenly said from the back seat, "Look at case number 8901, I think this case might have been done by someone from the cultivation world, and once confirmed, as long as we solve this case, we've got it in the bag."

Upon hearing this, Shen Qiang was taken aback, then used his laptop to log into the police database, and after searching for case number 8901, a dossier of a series of cases appeared on the computer.

He clicked on it to view the case content.

Even for the well-experienced Shen Qiang, he was immediately shocked.

Because this was a series of murders involving multiple locations across Huaxia.

The series of cases continued for twenty-eight years.

And stopped abruptly fifteen years ago, with no warning.

According to the arranger of the file.

This series of rapes and murders was first discovered in the Provincial City.

The first victim was a 19-year-old female worker at a textile factory, she was killed in her dormitory, and when found, her neck was cut, with 26 stab wounds on her upper body.

In that year alone, there were 9 similar cases in the Provincial City.

But at the time, the police's investigative methods were relatively backward, no DNA, no surveillance, they had to investigate bit by bit.

In that year alone, the police screened about a thousand suspects.

But they didn't find any useful clues.

The next year, the perpetrator continued to commit crimes.

Seventeen cases with the same method were found in the Provincial City.

The third year, fifteen cases.

From then on, he almost committed a dozen cases every year.

And when he had been committing crimes for twenty-six years, the police began using DNA matching, and at the same time, they networked nationwide, connecting cases with obvious similarities.

At that time, a more shocking situation appeared.

The person using the same method of operation, left footprints not only in the Provincial City, but also in fixed foreign cities.

So the police at the time unanimously believed that this person was either a salesperson for a factory or a freight driver.

Moreover, by comparing extracted substances from the scenes, the police confirmed that the cases that occurred around the Provincial City and in several other provinces were indeed done by the same person.

During the long span of twenty-eight years.

Many were victimized, the crime range was vast, extremely cruel and arrogant.

And the last time he committed a crime was fifteen years ago in the Provincial City.

The police thought they were about to catch him at the time.

But then he suddenly stopped committing crimes, as if he evaporated from the world.

Thus, the police believed he had an accident, such as a car accident, or suddenly lost mobility, which caused him to stop.

And during these fifteen years, although the police restarted investigations several times, due to the long period and incomplete information storage at the time, this case mysteriously became a shelved mystery.

No one knows whether the person who left traces all over Huaxia is actually dead.

Nor does anyone know who he is.

After glancing at the bloody photos in the files, Shen Qiang frowned and said, "Didn't the Dragon Group get involved in this case before?"

Qian Shanxue furrowed her brows, "Didn't you look carefully? The special investigation mentioned inside was the Dragon Group. It's just that this criminal, every time he commits a crime, his characteristic is that he leaves dozens of knife wounds on the victim's body."

"And there are always footprints left at the scene, which clearly does not fit the characteristics of a cultivation world perpetrator, because cultivators always have the ability to erase various traces. For example, if Ali hadn't confirmed he was left-handed and had a basic height, and Ye Xiaolei hadn't confirmed his special fondness for peanuts, we would have had no way to quickly identify him."

Shen Qiang raised an eyebrow, "That fat guy couldn't get away, he's a worker at that plant, even without our help, the police could easily zero in on him, but this old case is different, there hasn't been any movement for fifteen years, I think the perpetrator is probably already dead."

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