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.
Released: Aug 17, 2025 Genre: Documentary CrimeCasts: Katherine Ramsland Wayne HenleyDirectors:Duration: 1h 23m Rating: 6.4 Country: United States of America Production: Wolf Entertainment, Good Caper Content, Investigation Discovery
