The National Security Agency's (NSA) so-called "Bulk Telephony Metadata Program" proceeds under Section 501 of FISA, commonly referred to as Section 215 of the USA PATRIOT Act. Under the program, the NSA has apparently collected records from large telecommunication companies about virtually all domestic telephone calls. These records, termed "telephony metadata," include the phone numbers placed and received; the date, time and duration of calls; some location identifiers; and calling card numbers. The records, however, allegedly do not include the parties' names, addresses or financial information or the call's content. This special collection brings together all cases addressing this program, mostly in the Foreign Intelligence Surveillance Court, but some elsewhere.
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