1848 8 Aug. Twenty-five clerks and bureau agents.
1950 26 Nov. 7 b/6 The instructions from the bureau to the field for the handling of the raids directed that every bureau agent keep in constant contact with Mr. Hoover.
1996 (Nexis) 23 July Their calls are answered by a bureau agent working from a carefully prepared script covering a particular promotional/advertising campaign.
2010 M. Deflem iv. 48 Bureau agents have been relocated from other criminal programs..to counterterrorism.