 The shooter was standing on an elevated structure. The shooter was shot and killed by a member of the U.S. Secret Service counter-assault team. The shooter was using a rifle. Pat Milton, CBS News, Washington. Trump's campaign says he will go to the Republican National Convention. I'm at Piper in Milwaukee, where a lot could change by the time Monday comes, which is the start of the Republican National Convention here. I'm about two blocks from where that is going to go down.