Overview

• Investigation Discovery premiered The Killer’s Apprentice on August 17, 2025, featuring Henley’s first televised interview since his 1974 conviction.
• Henley describes how Dean Corll used payments and threats of a made-up trafficking ring to recruit and silence teenage accomplices.
• Dr. Katherine Ramsland provides expert commentary on Corll’s systematic grooming and psychological coercion of Henley and David Brooks.
• Henley remains incarcerated at Tennessee Colony under six consecutive life sentences after being convicted of six murders.
• The documentary’s release has renewed public scrutiny as Henley prepares for his next parole eligibility in October 2025.