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The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the U.S. Department of Justice, the FBI performs both intelligence and law enforcement duties, protecting and defending the United States against terrorists and foreign intelligence threats, while also enforcing federal statutes. From counter-terrorism to cybercrime, white-collar crime to public corruption, the agency's mission encompasses a diverse range of criminal exposures, making it a crucial element in upholding national security.