The Serial Killer's Apprentice
2025 • 1h 23m • Documentary, Crime
6.4(9 votes)
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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- Released
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