MAGISTRATE'S AUTHORITY
STANDARD OF REVIEW = CLEAR ERROR

Because Schultz did not raise his challenge to the magistrate judge's authority in the district court, however, we review it only for plain error. United States v. Freixas, 332 F.3d 1314, 1316 (11th Cir. 2003) ("Freixas's argument concerning the magistrate judge's authority is advanced for the first time on appeal, and accordingly we review it only for plain error."