Apparently, they've also been spying on other members of the government who may have been potential whistleblowers, journalists and even members of Congress.
NSA spied on its own employees, other U.S. intelligence personnel, and their journalist and congressional contacts. WMR has learned that the National Security Agency (NSA), on the orders of the Bush administration, eavesdropped on the private conversations and e-mail of its own employees, employees of other U.S. intelligence agencies -- including the CIA and DIA -- and their contacts in the media, Congress, and oversight agencies and offices.