On September 29, 1972, Gaetana "Donna" Serra, a 17-year-old White / Caucasian female, disappeared from St. Clair Shores, Michigan. It was a rainy Friday afternoon when she was last seen outside South Lake High School where she was a student. Reports indicate she had briefly spoken to her sister, Kathy, before vanishing. While some initial theories suggested she might have been hitchhiking—a common practice for teenagers at the time—to visit a beach on Lake St. Clair, she never arrived at her
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