 At the same time, Representative James Comer, the head of the House Oversight and Accountability Committee, said he is issuing a subpoena to the head of the Secret Service, Kimberly Cheadle. Comer had initially requested Cheadle's appearance at a hearing on July 22nd, but neither Cheadle nor DHS Secretary Alejandro Mayorkas have confirmed that Cheadle would appear, so Comer issued the subpoena to compel her attendance.