The NSA relies on authorizations under the Foreign Intelligence Surveillance Act to acquire foreign intelligence, subject to approval and oversight by the Foreign Intelligence Surveillance Court.
Notes on verification
Confirmed by multiple independent government sources including FBI testimony, congressional hearing records, and DOJ documentation. Well-established legal and institutional fact about NSA operations under FISA/FISC framework. [tier=silver indep_score=0.539 clusters=3 claim_tier=everyday]
Sources
- National Security Agency/Central Security Service > Signals ... (seed:military_and_intelligence)
- https://bja.ojp.gov/program/it/privacy-civil-liberties/authorities/statutes/1286 (corroboration)
- https://www.fbi.gov/news/speeches-and-testimony/oversight-of-section-702-of-the-foreign-intelligence-surveillance-act-and-related-surveillance-authorities (corroboration)
- https://www.intelligence.gov/ic-on-the-record-database/results/testimony/hearing-of-the-house-judiciary-committee-on-oversight-of-the-administrations-use-of-the-foreign-intelligence-surveillance-act-fisa-authorities (corroboration)