A federal agency which investigates all violations of federal laws.
a federal law enforcement agency that is the principal investigative arm of the Department of Justice
The principal investigative arm of the United States Department of Justice. The mission of the FBI is to uphold the law through the investigation of violations of federal criminal law; to protect the United States from foreign intelligence and terrorist activities; to provide leadership and law enforcement assistance to federal, state, local, and international agencies; and to perform these responsibilities in a manner that is responsive to the needs of the public and is faithful to the Constitution of the United States.
A federal agency that investigates violations of federal laws.
Federal Bureau of Investigation (FBI) is a field-oriented organization that provides program direction and support services to 56 field offices, approximately 400 satellite offices known as resident agencies, four specialized field installations and more than 40 foreign liaison posts.
The arm of the US Justice Department that investigates violations of federal law, gathers crime statistics, runs a comprehensive crime laboratory, and helps train local law enforcement officers.
The Federal Bureau of Investigation (FBI) is a federal criminal investigative, intelligence agency, and the primary investigative arm of the United States Department of Justice (DOJ). At present, the FBI has investigative jurisdiction over violations of more than 200 categories of federal crimes, making the FBI the de-facto lead law enforcement agency of the United States government. The motto of the bureau is "Fidelity, Bravery, Integrity."