On this day, Aug. 28, in 1965, the 32-year-old wife of Dr. Carl Coppolino was found dead in Longboat Key, Fla., two years after the doctor’s mistress’s husband died under suspicious circumstances.

Sarasota County sheriff’s deputies soon got a tip that there was something odd about the deaths. The tipster was Marge Farber, the doctor’s widowed mistress.

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