This won’t help rebuild trust. A cop fatally shot an armed teen late yesterday in Berkeley, Missouri, in a suburb near where Michael Brown died in August. Antonio Martin reportedly pointed a gun at the officer during a routine check at a Mobil gas station. Police released surveillance video showing the confrontation as small figures on the edge of the screen. A protest and scuffles with authorities broke out almost immediately — a sign of raw nerves in the wake of controversial police-related deaths.