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Gacy, Bundy, Dahmer, the Nightstalker, Dckck,

Every week another fascinating author talking about the most shocking and infamous

killers in true crime history. True murder with your host journalist and author

Dan Zufanski.

Good evening.

It's a case that has stumped generations of detectives and internet sloths.

On September 16, 2009, 24-year-old Matrice 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 Department

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 August 9, 2010, up rugged dark canyon, some six miles away from the station.

There was no sign of trauma to Matrice's remains and the coroner could not determine the cause of death.

But Matrice'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, Dana Goodyear spent the past five years on the case, leading her and her

co-reporter, Haley Fox, to the secluded tight-knit mountain community of

Montenegro, where Matrice 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,

...