Over Labor Day weekend 1970 - 25-year-old Donna Lass vanished after working a shift at the Sahara Hotel Casino in Lake Tahoe. When a friend visiting from out of town reported her missing, police conducted an extensive search but came up empty. As the investigation continued clues started to emerge, leading authorities to believe Donna's disappearance may be linked to one of the darkest chapters in Northern California's history. Listen in as Maggie is joined by Matt Frederick, host of "Stuff They Don't Want You To Know," as the two discuss Matt's deep dive into the Zodiac Killer, and whether he believes Donna Lass could be Zodiac’s victim #12.

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