NATIONAL SECURITY AGENCY FORT GEORGE G. MEADE. MARYLAND 20755-6000 Case No. / Appeal No. 30 July 2014 Mr. Darren K. Indyke Dear Mr. lndyke: This replies to your letter, dated 5 March 2014, appealing on behalf of your client, Mr. Jeffrey E. Epstein, the National Security Agency/Central Security Service's (NSA/CSS') denial of his request under the Freedom of Information Act (FOIA) for records, documents, files, communications, memoranda, orders, agreements, and/or instructions relating to or referring to Mr. Epstein that were created from January 1, 2000 to January 2, 2014, and were prepared, received, transmitted, collected and/or maintained by the National Security Agency. I have reviewed his request, the Chief of the FOIA/Privacy Act Office's response to you, and your letter of appeal. As a result of my review, I have concluded that the appropriate response is to continue to neither confirm nor deny the existence or nonexistence of any intelligence material on the subject of your client's request pertaining to any NSA/CSS intelligence programs or activities, including programs authorized under Section 215 of the USA PATRIOT Act and Section 702 of the Foreign Intelligence Surveillance Act Amendments Act To do otherwise when challenged under the FOIA would result in the exposure of intelligence information, sources, and methods, which could harm our national security and severely undermine NSA/CSS activities in general. For example, if NSA/CSS denied having information in cases where we had no such information but remained silent in cases in which the information existed, it would tend to reveal in which activities NSA/CSS was engaged. Any further elaboration concerning these matters would reveal information that is currently and properly classified under Executive Order 13526. Accordingly, the existence or nonexistence of any intelligence information you requested remains exempt from disclosure pursuant to 5 U.S.C. §552(b)(1), which protec