Mindhunter is a crime drama TV series that premiered on Netflix in 2017. The show is based on the true crime book Mindhunter: Inside the FBI's Elite Serial Crime Unit, written by John E. Douglas and Mark Olshaker. The series follows two FBI agents, Holden Ford and Bill Tench, as they interview imprisoned serial killers to understand their psychology and behavior in order to solve ongoing cases. The show is set in the late 1970s and early 1980s and explores the early days of criminal profiling and the challenges faced by law enforcement in understanding and catching serial killers. The show has received critical acclaim for its writing, acting, and direction.