Overview

• The two-hour special debuts August 17 at 9 p.m. Eastern on Investigation Discovery and streams on HBO Max.
• It features Henley’s first on-camera interview in 50 years, in which he discusses his role in the 1973 Houston abductions and murders.
• The documentary examines how a 17-year-old recruit shifted from Dean Corll’s victim to his accomplice and ultimately turned on the killer.
• Henley, now serving six 99-year terms, recounts shooting Corll and guiding authorities to at least 29 bodies buried in locations including a rented boat shed.
• Cord cutters can watch live or on demand through Philo, DirecTV or Sling, with Philo offering a seven-day free trial and $28 per month thereafter.