Investigators in San Diego recall the troubling scene after the body of Cara Knott was discovered tossed over a highway bridge. Join us for #GoodCopBadCop Sundays at 10/9c on ID. | Investigation Discovery

20-year-old Cara Evelyn Knott, a San Diego State University student, disappeared on December 27, 1986, while driving home from her boyfriend’s house in Escondido, California, to her parents’ home in El Cajon. The next morning, her Volkswagen Beetle was found parked near the Mercy Road offramp on Interstate 15, keys in the ignition and the driver’s window partly down, and her body was discovered at the base of a ravine below the abandoned bridge nearby. She had been st***gled, and her fall had ca