Internal Revenue Service Director of Exempt Organizations Lois Lerner as she was sworn in at a hearing held Wednesday by the House Committee On Oversight & Government Reform.
Chip Somodevilla/Getty Images
May 22, 2013 Lois Lerner, who's at the center of the political firestorm over her agency's singling out of some conservative groups for extra scrutiny, invoked her Fifth Amendment right not to answer questions from Congress.
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