Russell Tice is a Former NSA Intelligence Analyst & Capabilities Operations Officer Specializing in Offensive Information Warfare (O-IW). In 2005 Tice helped spark a national controversy over claims that the NSA and the DIA were engaged in unlawful and unconstitutional wiretaps on US citizens, and later admitted that he was one of the sources that were used in the New York Times' reporting on the wiretap activity in 2005.
2006 Abbey Martin interview
Abby Martin: Interview with Whistleblower Russ Tice - is the NSA Blackmailing Obama?]