The Federal Bureau of Investigation (FBI) is a division of the Department of Justice formed in 1908. The FBI investigates federal crimes and crimes on Indian reservations and is also a domestic intelligence agency. Its tasks include combatting and investigating crimes in the United States such as terrorist attacks, espionage, and a range of high tech and white-collar crimes. In 2011, the annual budget for the FBI was $7.9 billion.
Federal Bureau of Investigation