United States Court of Appeals For the Eighth Circuit ___________________________ No. 23-2500 ___________________________ United States of America Plaintiff - Appellee v. Joshua Gunnar Olson Defendant - Appellant ____________ Appeal from United States District Court for the District of Minnesota ____________ Submitted: May 6, 2024 Filed: May 14, 2024 [Unpublished] ____________ Before BENTON, KELLY, and STRAS, Circuit Judges. ____________ PER CURIAM.

Joshua Olson appeals the determination that he is not mentally competent to stand trial on carjacking and firearms charges and must be temporarily committed to the custody of the Attorney General. See 18 U.S.C. § 4241(d). A magistrate judge1 The Honorable Tony N. Leung, United States Magistrate Judge for the District of Minnesota. issued the order and the district court2 overruled Olson’s objections because the findings were not “clearly erroneous or contrary to law.” 28 U.S.C. § 636(b)(1)(A).

Although he now argues that the court should have reviewed the competency determination de novo, we conclude that he forfeited his challenge to the magistrate judge’s authority and any error was not “clear or obvious.” United States v. Pirani, 406 F.3d 543, 550 (8th Cir. 2005) (en banc) (summarizing plain-error review). Nor can he get relief on any other issues raised in the briefs. We accordingly affirm the district court’s order. See 8th Cir. R. 47B. ______________________________

The Honorable David S. Doty, United States District Judge for the District of Minnesota. -2-