The Serial Killer's Apprentice
2025| 1h 23m| IMDb 5.2
The Serial Killer's Apprentice (2025) is currently streaming in the UK on Discovery+ and discovery+. Last updated 20 January 2026.
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.
Streaming info last checked: 20 Jan 2026
