The Serial Killer's Apprentice

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.

Average Score : 64

Status: Released

Release Date: 2025-08-17

Geners Documentary Crime

Production Companies Wolf Entertainment Good Caper Content Investigation Discovery

Production Countries United States of America,

Run time: 83 minutes

Budget: --

Revenue: --