The top secret rules that allow NSA to use US data without a warrant | World news | theguardian.com:
Fisa court submissions show broad scope of procedures governing NSA's surveillance of Americans' communication
• Document one: procedures used by NSA to target non-US persons
• Document two: procedures used by NSA to minimise data collected from US persons
The documents show that discretion as to who is actually targeted lies directly with the NSA's analysts. Photograph: Martin Rogers/Workbook Stock/Getty
