In his explosive new book, New York Times bestselling author Bill Gertz uncovers the most significant threat to U.S. national security today: America's enemies—including radical terrorist groups—are arming themselves with the world's most dangerous weapons. And they're doing it with the help of America's supposed allies. Worst of all, the U.S. has let it all happen.

Using his unparalleled access to the U.S. intelligence and defense communities, Gertz names names, revealing which of our “friends” have placed greed over principle to make America's enemies far more deadly and the world a far more dangerous place. In Treachery, Gertz tells the whole story, complete with previously unpublished classified intelligence documents, and based on dozens of exclusive interviews with senior U.S. officials, including Defense Secretary Donald Rumsfeld.

In shocking detail, Treachery exposes: