Whether a court may consider unrecorded, oral information provided to a magistrate when evaluating the reasonableness of an officer's belief in the existence of probable cause

QUESTION PRESENTED In considering whether a search warrant affidavit is so lacking in indicia of probable cause as to render official belief in its existence entirely unreasonable under United States v. Leon, 468 U.S. 897 (1984), may a court also consider unrecorded, oral information that the law enforcement official purportedly gave to the magistrate or judge at the time of the approval of the warrant, or instead should the proper inquiry require review of the affidavit only? i