 perhaps weren't treated like they should have been, but they were treated that way four years ago, I can tell you that. It's Trump's first rally since his assassination attempt at a rally in Pennsylvania last weekend. And there are new details surfacing about the shooting and the suspect, 20-year-old Thomas Crooks, ABC's Jay O'Brien's in Grand Rapids. Authorities now investigating whether Crooks used a drone to survey the rally location prior to the shooting.