Today in True Crime History: July 4

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1969 — Michael Mageau, 19, and Darlene Ferrin, 22, are shot in a Vallejo parking lot, right outside Blue Rock Springs Park. Mageau survived, but Ferrin was killed. Both are considered confirmed victims of the Zodiac killer.

1988 — Sally McNelly and Shane Stewart, both teens, are murdered in San Angelo, Texas, near Lake Nasworthy. Their murders are unsolved and increased Satanic panic across the nation…