A source also revealed Sunday that BART police had been on edge before Grant's shooting because two guns had been recovered in separate incidents along the rail line in the hour before the shooting.In one of the incidents, a teenage boy with a semiautomatic pistol had fled from police and jumped off the West Oakland Station platform[/b], breaking several bones while landing. In another, the source said, a revolver was recovered after a fight at the Embarcadero Station in San Francisco.
