Cheney pushed to expand executive power and was a key force behind the U.S.-led invasion of Iraq. FRONTLINE chronicled his influence in multiple documentaries.

Using undercover footage, FRONTLINE presents the gripping, first-hand accounts of women who escaped the brutal reign of ISIS -- and follows an underground network that's helping them escape.

U.S. forces in Syria killed a senior Islamic State operative Friday who posed a direct threat to the American homeland, U.S. Central Command said. Omar Abdul-Qader was an ISIS member “actively seeking ...