what do we know about this warning to the state department before the attack? >> reporter: the other thing to watch for at this hearing, fox news was told that there will be very aggressive questioning about an emergency meeting that was held in benghazi in august one month before the attack where they essentially predicted how they would die in a month later in a coordinated assault. this was like a red flare or a red flag and it went directly to washington. what we now know is that this warning from people on the ground in benghazi was considered so significant that several other top administration officials were read in on that emergency meeting classified cable and they include then secretary of defense lee on panetta, the chairman of the joint chiefs, martin dempsey and then also carter ham who at that time was the head of the africa command but significantly when mrs. clinton was questioned in january about that classified cable and the warning that the benghazi operation could not