FRIDAY, JULY 2

9:01-11:00 p.m. – 20/20

Chilling story of a serial killer who terrorized Yosemite National Park.

'20/20' REPORTS ON CARY STAYNER, THE YOSEMITE SERIAL KILLER, OVER 20 YEARS AFTER REIGN OF TERROR

Features Interviews With FBI Agents Who Took Cary's Confession and an Intended Victim Cary Described in His Confession

'20/20' Airs on Friday, July 2 (9:01-11:00 p.m. EDT), on ABC

Cary Stayner made headlines in 1999 after he terrorized Yosemite National Park, murdering four women within six months. "20/20" dives into Cary's past, the horror that he inflicted and features interviews with former FBI agents Jeff Rinek and John Boles, who together took Cary's shocking confession and with Lenna, one of Cary's original intended victims he described in his confession. "20/20" also reports the chilling story about Cary's younger brother Steven, who was kidnapped as a child and escaped after seven years in captivity, and how it may have impacted Cary's behavior. It also includes audio of Cary's confession and footage from the ABC News archives. "20/20" airs on Friday, July 2 (9:01-11:00 p.m. EDT), on ABC. (Rebroadcast. ABC OAD: 1/25/19)

ABC News' "20/20" is an award-winning primetime program anchored by David Muir and Amy Robach. A proven leader as a long-form newsmagazine for over 40 years, "20/20" features unforgettable, character-driven true-crime mysteries, exclusive newsmaker interviews, hard-hitting investigative reports and in-depth coverage of high profile stories. The two-hour "20/20" events air Fridays from 9:01-11:00 p.m. EDT on ABC and are available to stream on ABC News digital platforms and Hulu. David Sloan is senior executive producer, and Janice Johnston is executive producer.