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The Serial Killer's Apprentice
2025 · Movie · 83 min · ★ 6.4
DocumentaryCrime
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.
Where to watch
Streaming on HBO Max and Discovery+.
1 hour to watch.
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Details
- Years
- 2025
- Release date
- 2025-08-17
- Language
- English
- Runtime
- 83 min
- TMDB rating
- 6.4/10 (7 votes)
Cast & crew
- KR
Katherine Ramsland
as Self
Wayne Henley
as Self (voice)