The Serial Killer's Apprentice
2025| 1h 23m| IMDb 5.2
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.
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Streaming info last checked: 20 Jan 2026