The Serial Killer's Apprentice (2025)
Documentary
Crime
Stream on
HBO Max
HBO Max Amazon Channel
Discovery+ Amazon Channel
Discovery +
HBO Max
HBO Max Amazon Channel
Discovery+ Amazon Channel
Discovery +
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Amazon Video
Amazon Video
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.
