FBI Special Agent John Douglas and FBI consultant Ann Burgess from the FBI Behavioral Science Unit discuss how interviewing Ed Kemper in prison helped the team innovate ways to investigate serial killers.

Ed Kemper, also known as the Co-Ed Killer, murdered and dismembered 10 people, including his own mother. Former FBI agent John Douglas takes us through his extensive interviews with Kemper, which became the backbone of modern criminal psychology.

A new season of The Disappearance of begins August 11th at 7/6c.

S5/EP10: James Fulton and Kathy's sisters are proud of their father for inspiring the movie "Three Billboards Outside Ebbing, Missouri."

Oxygen's two-night special event on the disappearance of Phoenix Coldon premieres 11/3 at 7/6c.

S17/EP0: It's now the End of the Day.

S1/EP3: First responder Eddie Eidson talks about the night he was at the scene of Jessica Chambers' murder, and how it still affects him today.

S2/EP3: Brad liked to collect roosters and care for his yard.