The Serial Killer's Apprentice
6.36.4
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 was released on August 18, 2025.
The Serial Killer's Apprentice has a runtime of 83m.
The Serial Killer's Apprentice was produced by Dick Wolf.
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.
The key characters in The Serial Killer's Apprentice are Self (Katherine Ramsland), Self (voice) (Wayne Henley).
The Serial Killer's Apprentice is rated TV-14.
The Serial Killer's Apprentice is a Documentary, Crime film.
The Serial Killer's Apprentice has an audience rating of 6.3 out of 10.