The internal watchdog for the National Security Agency (NSA) has launched an investigation into its 'unmasking' of Tucker Carlson - after the spy agency initially denied he was ever under surveillance ...

He said a source tipped him off about the surveillance, but offered no proof. Carlson has long stirred fears that US intelligence is plotting against ordinary conservatives. See more stories on ...

The National Security Agency is monitoring more email and texts than previously acknowledged. The New York Times reports that the NSA monitors emails and texts from and to Americans who are writing ...