 The FBI is confident that Crooks acted alone, but they still don't know why he acted at all. He was on no FBI radar, had no criminal record, and what they've seen so far of his digital history has offered no useful clues as to why he carried out this historic act of political violence. This is Eric Katursky in Pennsylvania alongside correspondent Pierre Thomas of the Justice Department. Former president's first interview going to the Washington Examiner on Sunday. ABC's Andrew Dimbert picks up team coverage.