An agency of the US federal government that deals principally with internal security and counter-intelligence and that also conducts investigations in federal law enforcement. It was established in 1908 as a branch of the Department of Justice, but was substantially reorganized under the controversial directorship (1924–72) of J. Edgar Hoover.
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Line breaks: Fed|eral Bur¦eau of In|ves¦ti|ga¦tion
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