The murder of 22-year-old Debbie Dorian shocked the Central Valley of California. DNA evidence would finally help identify her killer and put him behind bars for life, unraveling a shocking tale of a serial predator in the process. 20/20 ‘I’m Going to Get You’ examines the case and features interviews with Debbie’s loved ones honoring her memory. Watch our encore, airing Friday (Aug. 13th) at 9/8c on ABC. Stream on Disney+ and Hulu (S48, E8). #DebbieDorian #TrueCrime #Investigation