In her 20/20 interview, Lauren Preer remembers learning about the tragic news and shares about seeking justice over two decades in the case. Watch First Comes Love, Then Comes Murder encore tonight, July 24th, at 9/8c on ABC. Watch the official 20/20 online at ABC.com. Get exclusive videos, blogs, photos, cast bios, free episodes Everyone gets the same spins. Play Classic or Gridiron IQ — build the best all-time pro football roster you can, one attempt a day. A perfect 20-0 is possible every day. The ancient Mayan numerical system – counting on fingers and toes – was a base 20 or vigesimal system. A polyhedron of 20 faces is an icosahedron, one of the five Platonic solids. 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. 20/20 full episode guide offers a synopsis for every episode in case you a missed a show. Browse the list of episode titles to find summary recap you need to get caught up. 20/20 Official Playlist - Season 47 (2024-2025) l ABC News by ABC News • Playlist • 19 videos • 7,906 views 20 Look up twenty in Wiktionary, the free dictionary. Twenty or 20 may refer to: 20 (number), the natural number following 19 and preceding 21 one of the years 20 BC, AD 20, 1920, 2020 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.