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New Contact-Chaining Procedures to Allow Better, Faster Analysis

This NSA memo, dated 3 January 2011, draws analysts’ attention to a rule change, allowing “contact chaining, and other analysis, from and through any selector, irrespective of nationality and location, in order to follow or discover valid foreign intelligence targets”: see the New York Times article N.S.A. Gathers Data on Social Connections of U.S. Citizens, 28 September 2013.

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