Federal Bureau of Investigation
(缩写： FBI)
- 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.联邦调查局（美国联邦政府机构, 主要负责国内安全、反间谍活动以及调查联邦法律的执行情况, 1908年成立时是司法部的一个分支机构, 但在约翰·埃德加·胡佛颇有争议的领导下[1924-1972]进行了重大改组）。