The community rallied behind the father even as questions emerged about his pastA crime scene investigationCredit: GettyNEED TO KNOWThe death of a 22-year-old initially confounded investigators, who could find no weapon or motive for the killingBut days later, his father — a popular doctor — would be arrested in the crimePEOPLE examined the story in 1985, detailing how a community rallied behind the doctor even as it came to light that another o…