"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...

"The [Bush] administration has squandered the opportunity to eliminate al Qaeda... A new al Qaeda has emerged and is growing stronger, in part because of our own actions and inactions. It is in many ways a tougher opponent than the original threat we faced before September 11, and we are not doing what is necessary to make America safe from that threat." No one has more authority to make that claim than Richard Clarke, the former counterterrorism...

On September 11, 2001, the world in which we live was changed forever. The assault on the World Trade Center was the most sophisticated and horrifying in series of operations masterminded by Osama bin Laden and his Jihad group - an organization that CNN's terrorism analyst Peter Bergen calls Holy War, Inc. One of only a handful of Western journalists to have interviewed the world's most wanted man face to face, Peter Bergen explains the Jihadist network...

In New York City, a a handful of veteran FBI agents, police officers and investigative journalists had known for years that a terrorist event on the scale of 9/11 was likely. Ironically, one of the men who had been most aware of the threat posed by Osama bin Laden had recently left the FBI, where he had been following the movements of bin Laden and al Qaeda, to become Chief of Security at the World Trade Center. John O'Neill died on that awful day....

A survivor of the 2013 Boston Marathon bombing, who helped to set off one of the biggest manhunts in the country's history, discusses his experiences that day and his ongoing mission to walk again after losing both legs.

Based on exhaustive research and unprecedented access to White House officials, CIA analysts, Pakistani intelligence, and the military, this is the definitive account of ten years in pursuit of bin Laden and of the twilight of Al-Qaeda.