Elmer Wayne Henley Jr. (born May 9, 1956) is a convicted American serial killer and painter incarcerated in the Texas Department of Criminal Justice (TDCJ) system. Henley was convicted in 1974  for his role as a participant in a series of murders known colloquially as the Houston Mass Murders in which a minimum of 28 teenage boys and young men were abducted, tortured, raped and murdered by Dean Co... show more