After the FBI decides not to seek a warrant to search Zacarias Moussaoui’s belongings under the Foreign Intelligence Surveillance Act (FISA) (see August 28, 2001), it fails to reconsider the possibility of applying for a criminal warrant. A criminal warrant was not sought initially, partially because if the warrant application were unsuccessful, it would adversely affect the chances of getting a FISA warrant (see August 21, 2001). Now that a FISA warrant is not to be sought, this potential consequence is irrelevant. Dave Frasca, head of the Radical Fundamentalist Unit (RFU) at FBI headquarters, will later say that he does not know why he, his subordinate Mike Maltbie, and the FBI’s Minneapolis field office do not bring this possibility up at this time, but will suggest that everybody probably forgot to raise the matter. Maltbie will say he does not think there is enough evidence for a warrant. Minneapolis personnel will say they do not bring the issue up because they do not think of it, are not in charge of the case, and the RFU has previously blocked this route. The Justice Department’s inspector general will say that the failure to reconsider obtaining a criminal search warrant is “puzzling” and “even more troubling” than the previous errors in the case’s handling, adding that it “also shows a troubling lack of initiative and acceptance of responsibility by FBI headquarters.” [US Department of Justice, 11/2004, pp. 168-9, 191-2 ]