National security and intelligence experts say Russia, China and other adversaries will seek to take advantage of the ...

The most high-profile cases in recent history involved former FBI agent Robert Hanssen and former CIA officer Aldrich ... have worked for the federal government have ever been accused of espionage.

Robert Hanssen is said to have betrayed at least three ... The agent was being described by CIA sources as a 'major' spy who was paid in diamonds and more than £1million by the Russians and ...

Concerns About Espionage Rise as Trump and Musk Fire ... workers to cause a national security crisis. Former FBI agent Robert Hanssen and former CIA officer Aldrich Ames, who both spied for ...