When 44-year-old real-estate broker David Swinehart was found brutally murdered in his car in Pottstown, Pennsylvania, in January 1982, the quiet Montgomery County town was stunned. What began as a violent homicide soon unraveled into a twisted web of family betrayal, greed, and forbidden love.

Investigators discovered that the successful businessman’s estranged wife, Patricia Swinehart, and her young lover — who was also her nephew — were at the center of the plot. What followed was one of Pennsylvania’s most sensational murder trials of the decade, complete with wiretaps, secret recordings, and a half-million-dollar life-insurance motive.

In this episode of Murder Unscripted's Forensic Fridays, Ed dives deep into the timeline of the ...