We asked you to solve cases, and here you are sharing your criminal experiences?

The door to the Criminal Technology Division of the Jiangcheng City Public Security Bureau was kicked open.

Qin Zhenhai was drinking tea from his thermos when the commotion startled him so much that he almost spat the hot water onto his keyboard.

He looked up and saw Song Qianxia swaggering in. She was carrying two bags of xiaolongbao (soup dumplings) and had a half-eaten snack in her mouth.

"Advisor Song?" Qin Zhenhai adjusted his reading glasses. "Didn't Captain Gu approve half a day's leave for you? Why are you in the technical department?"

"Ugh, I can't sleep at all. I'll have some late-night snacks." Song Qianxia put the steamed buns on the table, pulled up a chair and sat down. "Director Qin, what happened to the tools we seized from that imposter last night?"

"It's in the evidence room." Qin Zhenhai picked up a small steamed bun and stuffed it into his mouth. "Why are you looking for that junk? Xiao Zhang from the trace evidence department looked at it this morning, there's nothing special about it."

Song Qianxia didn't respond and turned to walk towards the evidence room.

Those tools might be considered junk by others, but in her eyes, they were all irrefutable evidence that others were defecating on her neck!

Ten minutes later.

Gu Tingchen also entered the evidence room; he had come to check on the progress of the evidence examination.

From the doorway, one could hear Song Qianxia's rapid-fire complaints coming from inside.

"This is supposed to be spy gear? This is an insult to the craftsmanship of the underworld!"

Gu Tingchen pushed open the door and went in.

They saw Song Qianxia leaning over the control panel. Her left eye was pressed against a high-powered microscope, and her right hand held a pair of tweezers as she fiddled with the lock-picking tools that A-Qiang used.

Lin Wan and several technicians stood around, listening in stunned silence.

"Captain Gu is here," Lin Wan quickly greeted.

Gu Tingchen nodded and walked behind Song Qianxia: "What did you find out?"

Song Qianxia straightened up, turned the microscope's display screen around, and pointed to the high-definition magnified image on it.

"Captain Gu, take a look at these three tools. A window breaker, a universal lock pick, and a mini flashlight."

Song Qianxia pieced the images together.

"Qiang was bragging in the interrogation room last night, saying these were all high-end goods bought from the dark web. That's pure bullshit!" Song Qianxia cursed angrily.

Gu Ting stared intently at the metallic texture on the screen.

"You said yesterday that all of Thousand Faces' custom-made equipment is handcrafted. So each piece will have unique file marks."

Qin Zhenhai, holding a thermos, came over. Having dealt with all sorts of physical evidence for many years, he immediately saw the clue.

"These are all products from the same industrial assembly line."

"That's right."

Song Qianxia snapped her fingers. "They're all mass-produced by CNC machine tools, then repackaged and sold as high-end goods."

She picked up the universal lock pick from the table and tossed it to Gu Tingchen.

"That's not even the worst part. Look at the scratches in the lock pick's slot."

Gu Tingchen took it and examined it carefully under the light.

There are some minor scratches inside the card slot, obviously left after multiple uses.

"Different locksmiths leave different marks on their tools because of their different wrist strength habits."

Song Qianxia casually picked up a piece of wire and made a lock-picking motion.

"But the tools that Ah-Qiang uses, every time he twists them, even the angle of the twist, and even the amount of force he applies, are like they were all made from the same mold."

Lin Wan, listening nearby, frowned deeply: "Song Qianxia, ​​what exactly are you trying to say? Isn't this just a thief's tool?"

"No, this is not a thief."

Song Qianxia interrupted her decisively.

She grabbed the climbing rope she had seized the night before from the table and quickly untied a knot.

"This is called a double loop knot. It's very practical but also quite complicated."

"In actual combat, experienced fighters will adapt their tactics to the terrain. But this Ah Qiang not only used this knot on the rooftop, but he also tied the same knot on the spare rope in his tool bag."

Song Qianxia threw the rope on the table and stared intently at Gu Tingchen.

"The tools were all produced in the same batch. The lock-picking techniques were all learned from the same textbook. Even the muscle memory for tying knots was deliberately standardized."

The technical room fell silent.

Nobody's a fool. When these seemingly illogical, standardized details come together, the answer becomes obvious.

Gu Tingchen put the lock pick back on the table, his face frighteningly cold.

"This isn't the work of one person," Gu Tingchen's voice echoed in the quiet room. "It's a group of people."

Song Qianxia nodded, gritting her teeth as she said, "Verification complete. Night Owl has opened a crime processing plant in Jiangcheng!"

"They broke down the modus operandi of Qianmian into a standard teaching material. Then, like canned goods on an assembly line, they mass-produced these unscrupulous imitators who only care about money."

Qin Zhenhai kept swallowing hard as he listened, and he could barely hold the thermos in his hand.

"This is outrageous! Mass-producing criminals? If this were allowed into society, it would cause unimaginable chaos!"

Gu Tingchen placed his hands on the edge of the table.

Jiangcheng is a transportation hub with a port and an old industrial area. If Night Owl really is using this place as a training base, then the problem is serious.

This is not just a provocation against the police; it's an attempt to establish their own order in Jiangcheng's underworld.

"Ah Qiang's confession is correct. The virtual training camp in that encrypted app definitely has physical support." Gu Tingchen quickly made a judgment and turned to look at the door.

"Where's Old Chen?"

"Team Leader Gu, Section Chief Chen is doing data tracing in the cybersecurity server room next door!" Technician Xiao Zhang quickly replied.

"Notify him to focus on investigating abandoned factories and old neighborhoods in the suburbs of Jiangcheng."

"Investigate all major industrial electricity consumption anomalies over the past three months."

Gu Tingchen looked at Lin Wan.

"Lin Wan, go to the Economic Crime Investigation Team and find Lao Zheng."

"Screen through the financial records of the purchases of these window-breaking hammers and steel cables on the black market in Jiangcheng."

Song Qianxia stood to the side, watching Gu Tingchen methodically deploy various tasks.

The anger in her heart not only didn't subside, but burned even brighter.

Those bastards, Night Owls.

Ten years ago, selling human heads and keeping shady accounts was one thing.

Now they're actually using her skills to open classes, and all they're teaching are these kinds of useless people who just throw away thermite!

Breaking the rules and involving innocent civilians.

If this gets back to Cyrillic territory...

How will she survive in the underworld after she becomes a thousand-faced person?

"Captain Gu, what should I do now?"

Song Qianxia asked anxiously, her hand already reaching for her coat pocket.

"How about I go and search all those abandoned factories on the outskirts of the city tonight?"

Gu Tingchen turned his head, glanced at her, and his gaze was cold and hard.

"Go back to the Major Crimes Unit and stay there. You're not allowed to go anywhere without my permission."

Song Qianxia rolled her eyes at his retreating back as he turned to leave.

He kicked the table leg of the control panel hard with his toe.

This devilish ruler, he uses people and then throws them away, huh?