The Serial Killer's Apprentice

Name: The Serial Killer's Apprentice
Genre: Documentary, Crime
Released: 2025-08-17
Duration: 1 h 23 min
Rating: 6.4
Cast: Katherine Ramsland, Wayne Henley

Documentary

Crime

20251h 23m6.4

Overview

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.

Trailer

Cast

Katherine Ramsland

Self

Wayne Henley

Self (voice)

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Availability for the US. Data from JustWatch.