In September 2014 '' The New York Times '' asserted , " Questions persist after the release of a newly declassified version of a legal memo approving the National Security Agency 's Stellarwind program , a set of warrantless surveillance and data collection activities secretly authorized after the terrorist attacks of Sept. 11 , 2001 . " as an introductory headline summary with a link . The accompanying article addressed the release of a newly declassified version of the May 2004 memo . Note was made that the bulk of the program — the telephone , Internet , and e-mail surveillance of American citizens — remained secret until the revelations by Edward Snowden , that to date , significant portions of the memo remain redacted in the newly released version , and that doubts and questions about its legality persist
terrorist attacks of Sept. 11 , 2001
September 11 attacks
Stellar Wind