 in a wide perimeter around where your protectee is which they didn't do they secured it out less than a hundred and fifty yards away from that podium and that left open the possibility of the rooftop and the way you protect against that is either put law enforcement on the rooftop to make sure nobody else gets up there and secret service knows who's on a rooftop who's supposed to be there and who's not and then you have sharpshooters who if they see a threat