Lead civilian foreign-intelligence agency: Central Intelligence Agency (CIA) — https://www.cia.gov ✅
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Bellingcat Ukraine
bellingcat.comBellingcat Ukraine — https://www.bellingcat.com/tag/ukraine/ — extensive OSINT investigations.
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Related in Regional OSINT
Lead signals-intelligence agency: National Security Agency (NSA) — https://www.nsa.gov
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Federal law-enforcement & domestic intel: Federal Bureau of Investigation (FBI) — https://www.fbi.gov
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ODNI Intelligence Community Open Source Strategy 2024-2026 — https://www.dni.gov/files/ODNI/documents/IC_OSINT_Strategy.pdf ⚠️ 403 to bots, downloadable in any browser. This is the first public IC document that formally elevates OSINT to a first-tier INT alongside HUMINT/SIGINT/GEOINT/MASINT.
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SEC EDGAR
sec.gov
Corporate filings (10-K, 10-Q, 13D, S-1), ⚠️ 403 bot-block, live in browser
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PACER
pacer.uscourts.gov
Federal court records, ✅ 200
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