It’s a case that has stumped generations of detectives and Internet sleuths. On Sept. 16, 2009, 24-year-old Richardson was arrested at an oceanside Malibu restaurant and taken to Malibu/Lost Hills Sheriff’s Station. With no money, no phone, and no ride, and in the midst of what was later described by law enforcement as a severe bipolar episode, Richardson was released by the Los Angeles County Sheriff's Dept. just after midnight, and disappeared into the night. Her whereabouts confounded authorities for nearly a year until her skeletonized and partially mummified remains were found on Aug. 9, 2010, up rugged Dark Canyon, some six miles away from the station.There was no sign of trauma to Mitrice’s remains and the coroner could not determine the cause of death. But Mitrice’s death was undoubtedly suspicious. Her bra, belt, and jeans were found some distance from her body; the rest of her clothing was never found. And investigators never recovered a tiny bone called the hyoid, which often breaks when a person is strangled.A tenacious reporter and gifted storyteller, Goodyear spent the past five years on the case, leading her and her co-reporter, Hayley Fox, to the secluded tight-knit mountain community of Monte Nido where Mitrice was last seen. Driven by conversations with Richardson’s grieving friends and family and undeterred by the scant clues that have been picked through by dozens of previous investigations, LOST HILLS: Dark Canyon probes where others have not, including Richardson’s never-before-seen personal journals, new eyewitness interviews, and new potential forensic evidence. In 12 gripping episodes, Goodyear painstakingly builds a case that Mitrice’s death involved foul play—and she identifies a potential suspect. LOST HILLS: Dark Canyon-Season 4-Dana Goodyear  Follow and comment on Facebook-TRUE MURDER: The Most Shocking Killers in True Crime History   https://www.facebook.com/profile.php?id=100064697978510Check out TRUE MURDER PODCAST @ truemurderpodcast.com