IRS Commissioner John Koskinen, left, and Deputy Attorney General James Cole, right, watch as Attorney General Eric Holder speaks during a news conference at the Justice Department, on Monday, May 19, 2014, in Washington. The Justice Department on Monday charged Credit Suisse AG with helping wealthy Americans avoid paying taxes through offshore accounts, and a person familiar with the matter said the European bank has agreed to pay about $2.6 billion in penalties. (AP Photo/ Evan Vucci)