The Serial Killer's Apprentice (2025)

Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston Mass Murders, to unravel his chilling journey from manipulated teen to convicted killer — and the terrifying truth behind the line between victim and predator.

Released Aug. 17, 2025 90 min 15+

Genres: Crime, Documentary

Keywords: mdblist.two-actors, imdb.tv-mini-series

Watch Providers: Discovery +, Discovery+ Amazon Channel, HBO Max Amazon Channel, HBO Max

Country: United States
Production Country: United States
Languages: English