On September 12, 1987, a quiet community in Clermont County, Ohio, was shaken by the murder of 19 year old Amy M. Diesman. Amy was working an early morning shift at a convenience store in Pierce Township when someone entered the business and shot her twice in the head. Within minutes, an ordinary overnight shift became the scene of a homicide that would remain unresolved for decades.
Amy was a young mother, college student and recent high school graduate whose life appeared to be moving forward. She had a four month old daughter and had recently started working at the Merwin Stop N Go convenience store near Ohio Route 125 and Merwin Ten Mile Road. The job was still relatively new to her when she was killed.
The circumstances surrounding her death created questions that investigators would struggle to answer for years. There was no obvious sign of a robbery, no evidence that Amy had been sexually assaulted and little indication that a violent confrontation had occurred before the shooting. Investigators eventually considered the possibility that Amy may have known the person who killed her…