Justice Department 's focus is `` to hold people accountable , '' Holder says . The official declined to be identified due to the sensitive nature of the information . The FBI team arrived Wednesday and worked through Thursday , an official says . They will continue their work on Friday morning before returning for a briefing with the White House. The killings in September spawned scrutiny of Libya and a political uproar in the U.S .
Justice Department 's focus is `` to hold people accountable , '' Holder says . The FBI team arrived Wednesday and worked through Thursday , an official says . They will continue their work on Friday morning before returning for a briefing with the White House. The killings in September spawned scrutiny of Libya and a political uproar in the U.S .