The Federal Bureau of Investigation (FBI) is the primary investigative arm of the United States Department of Justice (DOJ), serving as both a federal criminal investigative body and a domestic intelligence agency. 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".
In fiscal year 2006, the FBI's total budget was approximately $8.7 billion, including $495 million in program increases to enhance counter-terrorism, counterintelligence, cyber crime, information technology, security, forensics, training, and criminal programs.
Headquartered in Washington, D.C., the FBI also has 56 field offices located in major cities throughout the United States, 400+ resident agencies in smaller cities and towns across the nation, and more than 50 international offices called "Legal Attaches" in U.S. embassies worldwide.