 He later acknowledged that he was one of the sources that were used in "The New York Times" reporting on the wiretap activity in December 2005.After speaking publicly about the need for legislation to protect whistleblowers, Tice received national attention as the first NSA-whistleblower in May 2005 before William Binney, Thomas Andrews Drake, Mark Klein, Thomas Tamm, and Edward Snowden came forward.Mark Klein is a former AT&T technician who leaked knowledge of his company's cooperation with the NSA in installing network hardware to covertly monitor, capture, and process American telecommunications en masse.