Melik Johnson, 17, is accused of luring two men into a robbery, chasing one of the men as he fled, picking up the man’s gun and killing him with it. The victim, Devlen Prosdocimo, 24, of White Oak, was found shot and run over by a vehicle around 7:10 p.m. Sunday and was pronounced dead at the scene.

An un-named witness told police that he was with Prosdocimo and during a drug deal, two “black males” approached either side of the car with guns drawn and demanded that both men empty their pockets. Johnson, got into the back seat of the car.

Mr. Prosdocimo jumped out of the car and ran, firing shots back at the car as he fled. Johnson said that he thought he was going to be shot when Mr. Prosdocimo opened fire, so he got out of the car, followed Mr. Prosdocimo, picked up his gun and shot him twice in the back.

Johnson is being held without bond in the Allegheny County Jail and is scheduled to appear for a preliminary hearing on Feb. 9.