plowed into the World Trade Center's South Tower, people in positions of power correctly suspected who was behind the assault: Osama bin Laden and Al Qaeda. But it would be 18 months after September 11 before investigators would capture the actual mastermind of the attacks, the man behind bin Laden himself. That monster is the man who got his hands dirty while Osama fled; the man who was responsible for setting up Al Qaeda's global networks, who personally identified and trained its terrorists, and who personally flew bomb parts on commercial airlines to test their invisibility. That man withstood waterboarding and years of other intense interrogations, not only denying Osama's whereabouts but making a literal game of the proceedings, after leading his pursuers across the globe and back. That man is Khalid Sheikh Mohammed, and he is still, to this day, the most significant Al Qaeda terrorist in captivity.In THE HUNT FOR KSM, Terry McDermott and Josh Meyer go deep inside the US government's dogged but flawed pursuit of this elusive and dangerous man. One pair of agents chased him through countless false leads and narrow escapes for five years before 9/11. And now, drawing on a decade of investigative reporting and unprecedented access to hundreds of key sources, many of whom have never spoken publicly-as well as jihadis and members of KSM's family and support network-this is a heart-pounding trip inside the dangerous, classified world of counterterrorism and espionage.

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