 Johnson says he is not getting satisfactory answers from the Department of Homeland Security. There are also doubts Secret Service Director Kimberly Cheadle will testify at a hearing Monday. Fox's Chad Pergram on Capitol Hill. House Oversight Committee Chair James Comer plans to issue a subpoena for Cheadle today. Lawmakers getting virtual briefings today. Just getting word the parents of shooting suspect Thomas Crooks were looking for him on Saturday in the hours before the Trump rally.