FBI buildings and grounds
(A)The term “FBI buildings and grounds” means— (i)the whole or any part of any building or structure which is occupied under a lease or otherwise by the Federal Bureau of Investigation and is subject to supervision and control by the Federal Bureau of Investigation; (ii)the land upon which there is situated any building or structure which is occupied wholly by the Federal Bureau of Investigation; and (iii)any enclosed passageway connecting 2 or more buildings or structures occupied in whole or in part by the Federal Bureau of Investigation.