The Serial Killer's Apprentice 2025

The Serial Killer's Apprentice (2025) is a Documentary and Crime film from the United States in the lookmovie catalog, running 1h 23m. It features Katherine Ramsland and Wayne Henley. Viewers rate it 6.4/10 from 9 votes. 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.