Criminal Investigation: I Overturned the Experts’ Verdict, and He Called Me Crazy

He transmigrates into a rookie police officer in a parallel world and is bound to a max-level Detective System.

Other people transmigrate and get an easy win from the start. He gets something else: the moment he opens his eyes, he’s at a murder scene.

The whole team calls it a neighborhood dispute, a crime of passion, and prepares to close the case.

Gu Yan takes one look at the body. “This isn’t an ordinary murder. It’s part of a serial case.”

The room falls silent.

The team leader scowls. “You’re just a trainee. What do you know?”

A colleague rolls their eyes. “Newbie, don’t make trouble.”

Even the bureau chief frowns. “Show us the evidence.”

Gu Yan points to the wound on the back of the victim’s neck and methodically explains his deductions...

Three minutes later, everyone falls quiet.

An hour later, eight unsolved cases are officially linked.

Seven years later, the Rainy Night Butcher is arrested.

At the victory banquet, someone asks him, “Gu Yan, how did you do it?”

Gu Yan picks up his teacup and thinks it over. “Maybe... I was just born for this line of work.”