
The Coffee Cup DNA: Solving the 1987 Murders of Tanya & Jay
In November 1987, 18-year-old Tanya Van Cuylenborg and her 20-year-old boyfriend Jay Cook left Vancouver Island for a routine overnight trip to Seattle—only to vanish into the dark roads of the Pacific Northwest. Days later, their bodies were discovered 60 miles apart in two different Washington counties, bound with zip ties and brutally murdered in completely different ways, leaving behind a cold case that haunted two nations for over three decades. For 31 years, the killer lived as a complete ghost with no felony record or online presence—until a genetic genealogist uploaded a crime scene…
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