Russell Tice, a longtime insider at the National Security Agency, is now a whistleblower the agency would like to keep quiet.
For 20 years, Tice worked in the shadows as he helped the United States spy on other people's conversations around the world.
"I specialized in what's called special access programs," Tice said of his job. "We called them 'black world' programs and operations."
But now, Tice tells ABC News that some of those secret "black world" operations run by the NSA were...Full Story