Law & Order: Special Victims Unit: Season 15, Episode 23

Thought Criminal

Under the guidance of Lieutenant Murphy, Sergeant Benson and the SVU take an active approach to catching sex offenders - they target Simon Wilkes, a well-regarded photographer with a secret life. An undercover investigation finds his graphic fantasies may have crossed the line into reality, at a child's expense. But the case becomes impossible when no evidence of a victim is found.