A suspect in a fatal stabbing in Springfield Township is dead after an officer involved shooting in Montgomery County. Officers say they found 32 year old Princess Brown lying dead on the floor, stabbed to death at a home on Murat Court just before midnight Monday. Investigators say the suspected killer, 36-year-old Dana Dubose fled the scene traveling north of Dayton to Vandalia where he rammed into an Ohio State Highway Patrol vehicle on a traffic stop around 1 a.m. Tuesday. A state trooper then shot Dubose, killing him when he allegedly lunged at the officer with a knife. The incident remains under investigation.