Decades-old Plano murder gets fresh look, as detective works to revive cold cases nationwide

Jennifer Day was 14 years old when, on Sunday, June 26, 1985, she vanished from her part-time job at a Dallas donut shop.

Jennifer had been working alone in the shop, just a five-minute walk from her home.

“Back then, everybody had a part-time job. It’s just what you did. It wasn’t unusual for someone who was 14, 15 years old to have a part-time job working weekends,” recalls her older brother, Jeff, who had also worked at Preston Donuts, a now-shuttered business…

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