Part of FBI (7)
'part of fbi' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for federal that I've seen before include "National, in the US" , "Like the government of linked states" , "Relating to central government in the US" , "(Of a union or government) involving states voluntarily joined together for common purposes" , "Red flea (anag.)" .)
'part of fbi' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bureau that I've seen before include "Chest of drawers or office" , "Agency - writing desk" , "Office; writing desk" , "Room" , "French office - desk" .)