"In the eleventh book in the multimillion-selling Killing series, Bill O'Reilly and Martin Dugard reveal the startling, dramatic story of the global war against terrorists. 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...