>> speaking to reporters this morning, secretary of state clinton said she is expanding the investigation. >> the team from the f.b.i. reached libya this week. iill advice congress also i am launching a accountability review board. that will be chaired by ambassador thomas pickerring. >> later in the day, members of congress briefed by clinton and the director of national intelligence on the assault by terrorists. >> they are attempting to establish whether he was kegged to people who made the attack. she a person of interest if you will. >> the story now has been changed. there was a planned premeditated attack. when we put our people around the world, at risk and don't provided a quite security. shame on us. >> the ambassador says the two seals killed in benghazi were there to protect them bass dore. >> two of the four americans were killed were there