A new Benghazi Select Committee got under way on Capitol Hill . The panel is expected to hold hearings in the coming weeks and months about what happened during a 2012 attack that killed four Americans, including Ambassador Chris Stevens -- an act of terror blamed by Republicans for costing President Four Americans were killed at the U.S. diplomatic compound in Benghazi .
A new Benghazi Select Committee got under way on Capitol Hill . Two years after the terror attack , many Republicans still have questions . Four Americans were killed at the U.S. diplomatic compound in Benghazi .