pump foreign money into republican campaigns and superpacs. but this investigation is apparently not just about campaign finance. "mccallion said he was asked a lot of questions by fbi and other counterintelligence investigators who were looking at rudy giuliani's comings and goings in ukraine and business dealings." that first report was in "usa today," confirmed and added to by cnn. federal investigation of rudy giuliani includes counterintelligence probe. lawyer kenneth mccallion telling cnn, "i was just asked if i or any of my clients knew of any dealings that these two guys had with giuliani. they were on the radar with regard to possible counterintelligence issues." any view inside the reported investigation of the president's lawyer is obviously going to be fascinating at this point. but when the view seems to indicate not just a criminal investigation, but a counterintelligence one, i want to know more about that. joining us now is the attorney, the fbi counterintelligence