 Lawmakers are demanding answers following the attempted assassination of former President Trump. Here's NPR's Ryan Lucas. Secret Service Director Kimberly Cheadle's appearance Monday before the House Oversight Committee will be just nine days after a gunman tried to kill former President Trump at a rally in Butler, Pennsylvania. The panel's Republican chairman, James Comer, says Americans are demanding answers from Cheadle about what Comer calls the historic security failures at the rally that day.