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The Serial Killer's Apprentice

6.4/10 2025 4K 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.

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The Serial Killer's Apprentice
Top Cast
Katherine Ramsland
Katherine Ramsland
Self
Wayne Henley
Wayne Henley
Self (voice)

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