The advertisement called for a NSA liaison officer to "get to Gitmo for 90 days" to interface with CIA, Federal Bureau of Investigation (FBI) and Department of Defense interrogators "on a daily basis in order to assess and exploit information sourced from detainees."
In addition to extracting information, the report said NSA personnel observed and participated in interrogations.
In another SID document, an NSA liaison reported working with the Joint Interrogation Group to extract information from detainees. The interrogation, the document says, was "strategic" and "tactical."
In June 2013, Snowden leaked classified information online, revealing global surveillance programs run by US intelligence services. Snowden's revelations could cost him as much as 30 years in prison in the United States, where he is wanted on charges of theft of government property and espionage.
