The Murderer's Visit - Who is the Murderer?, #1

The investigation team is composed of elite criminal police, cutting-edge scientists, criminologists, and network experts. It is established to target criminal groups with strong anti-investigation capabilities and masters cutting-edge technologies such as time retrograde, artificial intelligence, gene editing, and big data information. Secret task force. One day, detective Zacharias discovered that he had the ability to experience the same day five times in reverse time from time to time.
Relying on this ability, Zacharias went back to investigate before the crime occurred again and again, solving one serious case after another. Until a murder notice from Suspect X suddenly appeared, Zacharias gradually realized that he seemed to be not the only one with this ability...