The Serial Killer's Apprentice
An exclusive interview with Elmer Wayne Henley, exploring his transformation from a well-manicured teenager to a killer, sheds light on the 1973 Houston Mass Murders.
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Info about The Serial Killer's Apprentice
Studio(s): Good Caper Content, Investigation Discovery
Originally Released: United States, Aug 17, 2025
Production Country: United States
Genres:Crime, Documentary
