I'm the captain of the city's criminal investigation team. This is the most perfect crime I've seen in my 20 years as a police officer: a little fat guy with a gentle appearance murdered his ex-girlfriend's father on the seventh day of his father's death and drove to the scene.

A case was made every seven days for the next twenty-eight days until the ex-girlfriend's family was wiped out!

Regrettably, in every murder case, he did a perfect job and even deliberately appeared in front of me after committing the crime to give me clues.

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I don't know if he is showing off his skills or begging for death.

Until the last murder happened, I listened to his story in the interrogation room and sighed endlessly: "Qin Feng, I sympathize with your experience, but this is not the reason for your murder. You are the criminal with the highest IQ I have ever seen. The clever tactics, the clever layout, leaving no clues and no evidence! If you didn't take the initiative to explain, we would not be able to convict you at all."