• National Counterintelligence Center
• Federal Bureau of Investigation and the Freedom of Information Act
• CIA Aldritch Ames Report
• Defense Threat Reduction Agency
• FBI Directorate of Intelligence
• FBI’s National Strategy for Counterintelligence
• Defense Intelligence Agency
• Robert Hanssen Case Description
• John Walker, Jr File Case Description
• Canada’s Secret Spy Agency’s Staff, Budget Raised
• FBI’s Executive Assistant Director for Intelligence Maureen Baginski’s Testimony
Before the House Permanent Select Committee on Intelligence
