The Serial Killer's Apprentice
2025 · 83 min · Documentary, Crime
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
- August 17, 2025
- Language
- English
Cast
Where to watch in the US
Streaming data from JustWatch, via TMDB.