Police investigate a scene where a man was found dead in a car that crashed into an Overbrook home this afternoon and was likely involved in a shootout with someone in another vehicle nearby on Route 51. The dead man, whose identity was not released, remained in the white Cadillac STS which crashed through the garage of a home on Overbrook Avenue at Olivet Avenue about 1 p.m. Investigators did not immediately discuss any possible motive for the shooting and no arrests were announced.