address hundreds of police swarmed the scene, blocking streets as helicopters hovered overhead. inside the same building where a gunman killed 12 two years ago, chaos. someone came up on the floor yelling to get out of the building, stay away from the calf nearia. for nearly three hours plead moved floor by floor, searching for a gunman clearing floors then lead seg stranded workers out with their hands up. across town the white house blocked streets and canceled tours. at the capitol, enhanced security. police gave the all year saying there was a lone 911 call reporting sounds of gunshots. we take every event serious, and our posture remains extremely high. while today s overwhelming response came in part because of the eerily from similarity to two years ago, also it was a