The Serial Killer's Apprentice

Name: The Serial Killer's Apprentice
Genre: Documentary, Crime
Released: 2025-08-17
Duration: 4980000 s
Cast: Katherine Ramsland, Wayne Henley

TV-14

2025 83m[Documentary](/on-demand/category/documentary), [Crime](/on-demand/category/crime)

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.