Plum police and fire units reported to Old Leechburg Road near Meadow Hill Drive early Saturday morning after a man was found unresponsive in a vehicle.
The Allegheny County Medical Examiner's office has said the man is Samuel Walls, 25, of Penn Hills.
Homicide detectives and the medical examiner had responded to the scene on Saturday. An autopsy was performed on Walls, but his cause of death is pending.
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