Saturday, October 27 at 1 p.m. ET Sunday, October 28 at 3 p.m, and 10 p.m. ET Hosted by Bret Baier On Sept. 11, 2012, terrorists overran the United States consulate in Benghazi, Libya and murdered our ambassador along with three other Americans. Now, more than six weeks after the attack, some of the most important questions remain unanswered: Who did this and why? Could the attack have been prevented or repelled after it began? What did the White House know and when?