Using investigative tools, DNA technology and painstaking research over years, investigators were finally able to identify their suspect. 20/20 ‘Justice for Faith’ examines the investigation – tonight (Oct. 30th) at 9/8c on ABC. The program's name derives from the 20/20 measurement of visual acuity. The two-hour program has been airing at 9:00 p.m ET for much of the time since it moved to that timeslot from Thursdays in September 1987, though special editions of the program occasionally air on other nights. 20/20 Official Playlist - Season 47 (2024-2025) l ABC News by ABC News • Playlist • 19 videos • 8,910 views A staple of primetime television on Friday nights for over 3 decades, 20/20 has remained a leader in American TV news magazines broadcasting on ABC. ABC's 20/20 is the prime time news magazine program featuring David Muir. From newsmaker interviews, hard-hitting investigative reports, exclusives, compelling features and medical mysteries. In some countries, the number 20 is used as an index in measuring visual acuity. 20/20 indicates normal vision at 20 feet (6.1 m), although it is commonly used to mean perfect vision in countries using the Imperial system. 20/20 full episode guide offers a synopsis for every episode in case you missed a show. Browse the list of episode titles to find summary recap you need to get caught up. Watch the official 20/20 online at ABC.com. Get exclusive videos, blogs, photos, cast bios, free episodes Unforgettable true crime mysteries, exclusive newsmaker interviews, hard-hitting investigative reports and in-depth coverage of high profile stories. Now listen throughout the week with the official 20/20 After Show, the True Crime Vault, and our spotlight of true crime originals. 20/20 brings you hard-hitting investigative reports, newsmaker interviews and compelling human interest and feature stories.