 crooks was shot to death by Secret Service agents. Both Republicans and Democrats in Congress say they'll investigate security failures at the rally. Former Secret Service Deputy Director A.T. Smith. There is no explanation whatsoever for how an individual was able to get on top of a building and be that close with a long rifle. All of the perimeters that needed to be in place, that outer perimeter is what the counter-sniper team is responsible for. They're responsible for