Psycho-Pass (2012)

S01E04 Nobody Knows Your Mask

The CID launches an investigation into the mysterious disappearance of Kimihiko Hayama, only to uncover that he has been murdered. To make matters worse, someone has assumed control of his online persona, Talisman. The team races against time to trace the imposter posing as Talisman in hopes of uncovering the identity of the murderer.