The agent worked not in counterintelligence, but on internal security and investigations of the Communist Party. He was a poor performer, and he had a host of other problems, including alcohol abuse, ...

On Friday, July 9, 2010, FBI special agent Richard DesLauriers disembarked from a chartered Vision Airlines jet on the tarmac of Vienna’s Schwechat International Airport, accompanied by 10 Russian ...

*** With a thousand agents, New York was the FBI’s largest field office. “There were about six or seven Soviet squads with maybe 20 or 25 people on each,” says an FBI counterintelligence agent ...

WASHINGTON — Peter Strzok, the FBI senior counterintelligence agent who disparaged President Donald Trump in inflammatory text messages and helped oversee the Hillary Clinton email and Russia ...

In a startling new development that has drawn global attention, a former FBI counterintelligence agent has alleged that Elon Musk—the tech magnate and CEO of Tesla and SpaceX—was specifically targeted ...

Russian counterintelligence agents are analyzing data from the popular Chinese messaging and social media app WeChat to monitor people who might be in contact with Chinese spies, according to a ...