Adrian Havill

Robert Philip Hansen thought he was smarter than the system. For decades, the quirky but respected counterintelligence expert, religious family man, and father of six, sold top-secret information to agents of the Soviet Union and Russia. A self-taught computer expert, Hansen often encrypted his stolen files on wafer-thin disks. The data-some 6000 pages of highly classified documents-revealed precious nuclear secrets, outlined American espionage initiatives,...