(The Serial Killer's Apprentice)

Content: 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.

Countries:

United States of America

Genres:

Documentary,

Crime

Runtime:

83 minutes

Year:

2025

Production companies:

Wolf Entertainment,

Good Caper Content,

Investigation Discovery

Actors:

Self

Self (voice)

Crews:

Producer