Steven Hill

A man's body is found along the Connecticut River
On a summer day in 1986, the community of Lebanon, New Hampshire, was unsettled by the grim discovery of the body of one of their own. Steven Hill, a 38-year-old Caucasian male, had been missing for weeks before his life was confirmed to have met a violent end. His remains were found on July 15, 1986, along the Connecticut River near Summer Falls in Hartland, Vermont, a town just across the river from New Hampshire. An autopsy would later reveal that Hill had died from multiple stab wounds.
...

Steven Hill - New Hampshire Department of Justice - NH.gov

Steven Hill killing: 1986 New Hampshire homicide unsolved - WMUR