The Robison family murders, also referred to as the Good Hart murders, were the mass murders of Richard Robison, his wife Shirley Robison (née Fulton), and their four children; Ritchie, Gary, Randy, and Susan on June 25, 1968. The upper-middle-class family from the metropolitan Detroit area of Lathrup Village, Michigan, were shot and killed while vacationing in their Lake Michigan cottage just north of Good Hart, Michigan, near the Straits of Mackinac. This case remained unsolved after a 15-month investigation by the Michigan State Police and the Emmet County Sheriff's Office. However, when the investigation was completed in December 1969, evidence pointed to one person: Joseph Raymond Scolaro III, an embezzling employee of Richard Robison.
The murders began with five gunshots aimed at Richard Robison, fired through a rear window from a .22-caliber semi-automatic rifle. The murderer then entered the cottage t