Watch The Serial Killer's Apprentice Online
The Serial Killer's Apprentice (2025) — Documentary, Crime. Watch The Serial Killer's Apprentice online on iPlayTV in 4K Ultra HD, with no downloads and no buffering.
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What is The Serial Killer's Apprentice about?
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.
- Genres
- Documentary, Crime
- Released
- 2025-08-17
- Rating
- ★ 6.4 / 10
Top cast
- Katherine Ramsland Self
- Wayne Henley Self (voice)
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