AUSTIN, Texas (AP) — Newly released police body camera footage shows bargoers and pedestrians fleeing and ducking for cover in the moments after a gunman began firing outside a Texas bar, leaving three dead in what is being investigated as potential terrorism. “Everybody down!” one officer yells. “Where is he?” The terrifying moments captured on video by officers and surveillance cameras that were released Thursday show how the shooting that wounded more than a dozen others unfolded quickly