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The Serial Killer's Apprentice

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The Serial Killer's Apprentice

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The Serial Killer's Apprentice

The Serial Killer's Apprentice

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.

Date: 08/17/2025

Rating: 8.0

Cast: Katherine Ramsland, Elmer Wayne Henley

Katherine Ramsland

Elmer Wayne Henley