She should have been fired before she had a chance to resign.

Washington (CNN) — Julia Pierson, the first female director of the Secret Service, resigned her post Wednesday after a fence jumper gained access to the White House on Sept. 19 and a subsequent congressional inquiry uncovered other security lapses.

Homeland Security Director Jeh Johnson announced the resignation in a statement. He also announced that the DHS would take over an internal inquiry of the Secret Service and that he would appoint of a new panel to review security at the White House.