The FBI is part of this cabinet department
The FBI headquarters is the J. Edgar 
Hoover Building, located in Washington... [DOC] [TLE] The Organization of the Bureaucracy [ushistory.org] [PAR] The bureaucracy generally falls into four broad types: Cabinet departments, ... 
For example, the FBI lies within the domain of the Justice Department, and the 
Secret ... of Congress assumed that it would be a part of the Department of 
Defense.