Based on exclusive interviews including the first interview with Robert Mueller since his nomination as oirector--The Bureau reveals why the FBI was unprepared for the attacks of September 11th and how the FBI is combating terrorism today.The book answers such questions as: Why did the FBI know nothing useful about aI-Qaeda before September 11th? What is really behind the FBI's more aggressive investigative approaches that have raised civil liberties concerns? What does the FBI think of improvements in airline security? How safe does the FBI think America really is?