William Binney was the former technical director of the World Geopolitical and Military Analysis Reporting Group and a senior NSA cryptomathematician at the NSA. He worked there for over three decades, and retired after 9/11 as the agency began to implement domestic spying programs that he says are unconstitutional. He is also a whistleblower, having disclosed information to the Defense Department in 2002 about corruption, waste, fraud, and abuse in the agency related to the use of data collection and analysis program called Trailblazer.