Dean Arnold Corll was an American serial killer and sex offender who abducted, raped, tortured and murdered a minimum of twenty-nine teenage boys and young men between 1970 and 1973 in Houston and Pasadena, Texas. From Wikipedia
Investigation Discovery’s The Serial Killer’s Apprentice presents Henley’s first on-camera interview alongside Ramsland’s framing of Corll’s crimes as products of deliberate grooming, bribery and threats.