Robert Mattison, 43, was murdered on March 8, 2012, in Dayton, Montgomery County, Ohio. The Dayton Police Department lists his death as a homicide, but the circumstances of the killing have not produced any arrests and the case remains unsolved.

The case is included among unsolved homicides tracked by the Ohio Attorney General’s Office. The Ohio Bureau of Criminal Investigation continues to provide resources and visibility for Mattison’s case and is working with local law enforcement to seek information that could move the investigation forward.

Anyone with tips or information about what happened to Robert Mattison on March 8, 2012, is urged to contact the investigators handling the case.