Overflights, mapping fiber-optic networks, "strange activities." Moscow's West Coast spies were busy.
Spy novels introduce us to unusual or technical information, potentially confusing events, and unfamiliar social or professional customs.
If the meeting at Trump Tower feels to you like treason, that's probably because it may actually be espionage.
Conservatives are right that collusion with foreign spies isn’t necessarily a crime. But prosecutors have plenty of other options.
A prestigious Chinese think tank provided cover for the intelligence operation that ensnared Kevin Mallory.
Looking back from 2019, the collapse of Western intelligence sharing under Trump was inevitable.
Candace Marie Claiborne alleged received tens of thousands of dollars worth of gifts from Chinese agents she knew to be spies.
Contractor Harold Martin is accused of lifting as many as 500 million pages of classified and top-secret material from Ft. Meade, and will be charged under the Espionage Act.
Over eight years, President Barack Obama has created the most intrusive surveillance apparatus in the world. To what end?
Navy makes tapes of hearing for accused U.S. Navy spy available, adds new wrinkles
To spies, David Vincenzetti is a salesman. To tyrants, he is a savior. How the Italian mogul built a hacking empire.
The secrets a U.S. Navy officer is suspected of slipping to China could ground America’s most important spy planes just when Washington needs them most.
Espionage, kidnapping, and the dark art of spycraft is as American as George Washington.