A U.S. federal judge refused Wednesday to release records describing interrogation techniques authorized for overseas use by the CIA, saying it was up to the agency to decide if they should remain secret.

U.S. District Judge Alvin Hellerstein ruled against requests by the American Civil Liberties Union to release documents from a total of 580 that included names and dates of when detainees were captured as well as descriptions of destroyed videotapes that showed CIA interrogations of two suspects.

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