Secret Service Director Julia Pierson, left, is sworn in on Capitol Hill in Washington, Tuesday, Sept, 30, 2014, prior to testifying before the House Oversight Committee as it examines details surrounding a security breach at the White House when a man climbed over a fence, sprinted across the north lawn and dash deep into the executive mansion before finally being subdued. Pierson is joined at the witness table by Ralph Basham, a former Secret Service director, now a partner with Command Consulting Group, a private security firm, and Todd M. Keil, far right, senior advisor with TorchStone Page, a private security firm. (AP Photo/J. Scott Applewhite)

Secret Service chief quits due to security lapses

Despite more than three hours of questioning by House lawmakers on Tuesday, Pierson neglected to mention another security breach that occurr…