It Was Obviously a Murder, but You Said It Was an Accident?

His name is Lin Feng, and he is a time traveler. Having been a policeman for two lifetimes, he originally wanted to live a stable life, but he never imagined that when he was eight years old, his parents died suddenly and mysteriously. In order to find the real cause of his parents' death, Lin Feng chose to continue working as a police officer, and for more than ten years, he continued to learn professional knowledge and strengthen his body. As graduation approached, Lin Feng noticed something was wrong while observing the accidental death of a family of six... "It's obviously a tragedy, but you say it was an accident?" No system + pure reasoning + high IQ crime, don't enter if you don't like it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.