The Serial Killer's Apprentice
Released: August 17, 2025Runtime: 83 min
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.
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Cast & Crew
Top billed cast
James Anderson
as Self - Pasadena, TX PD
Angela Bradley
as Self - Childhood friend of Wayne
Dean Corll
as Self
Kate Dawson
as Self - True Crime podcaster
Jerome Elam
as Self - Survivor advocate
Joyce Gonzales
as Self - Cousin of Billy Lawrence
Mary Henley
as Self - Wayne’s mother
Wayne Henley
M P Jackson
as Self - Pasadena, TX PD
Mark Nelson
as Self - Houston Heights resident
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1Other crew
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