Director of the Federal Bureau of Investigations ( FBI ) Robert Mueller is seen on Capitol Hill in Washington , D . C . , USA on 23 April 2008 . Mueller testified before the House Judiciary Committee . EPA / STEFAN ZAKLIN < 저작권자 ⓒ 2007 연 합 뉴 스 . 무단 전재 - 재 배포 금지 . >