 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.