"In Killing The Killers, #1 bestselling authors Bill O'Reilly and Martin Dugard take readers deep inside the global war on terror, which began twenty years ago on September 11, 2001. As the World Trade Center buildings collapsed, the Pentagon burned, and a small group of passengers fought desperately to stop a third plane from completing its deadly flight plan, America went on war footing. Killing The Killers narrates America's intense global war...