Michael Martin, 41, of Charleroi was convicted by a Westmoreland County Jury of first degree murder tonight.
The defendant says he was acting in self-defense and pleaded not guilty.
Investigators released new details Friday about the murder of a man in Westmoreland County.
The motive is still unclear after a man was stabbed to death in Westmoreland County.
State police say they have arrested the son-in-law of a man whose body was found in his car in Donegal Township late Wednesday night.