                      United States Court of Appeals
                            FOR THE EIGHTH CIRCUIT
                                   ___________

                                   No. 05-1627
                                   ___________

United States of America,               *
                                        *
             Appellee,                  *
                                        *
      v.                                * Appeal from the United States
                                        * District Court for the
Paul Lopez-Aguilar,                     * District of Nebraska.
                                        * [UNPUBLISHED]
             Appellant.                 *
                                   ___________

                             Submitted: December 22, 2005
                                Filed: December 28, 2005
                                 ___________

Before MELLOY, HANSEN, and GRUENDER, Circuit Judges.
                           ___________

PER CURIAM.


       After Paul Lopez-Aguilar pleaded guilty to conspiring to distribute and possess
with intent to distribute methamphetamine, and possessing a firearm during a drug-
trafficking crime, see 21 U.S.C. § 846; 18 U.S.C. § 924(c)(1), the district court1
sentenced him to 228 months in prison, followed by 5 years of supervised release.
Lopez-Aguilar did not appeal. The government later filed a Federal Rule of Criminal
Procedure 35(b) motion to reduce Lopez-Aguilar’s sentence based on his substantial


      1
        The Honorable Laurie Smith Camp, United States District Judge for the
District of Nebraska.
assistance, and the district court reduced his sentence from 228 months to 135 months
imprisonment. Lopez-Aguilar appeals, arguing in a brief filed under Anders v.
California, 386 U.S. 738 (1967), that the district court abused its discretion by not
imposing an even lower sentence. We conclude that the district court’s refusal to
depart further is unreviewable. See United States v. Coppedge, 135 F.3d 598, 599
(8th Cir. 1998) (per curiam) (challenge to extent of Rule 35(b) reduction held
unreviewable, because appeal was not based on any criteria listed in 18 U.S.C.
§ 3742(a)); cf. United States v. Noe, 411 F.3d 878, 885 (8th Cir.) (extent of downward
departure is not reviewable), cert. denied, 126 S. Ct. 184 (2005); United States v.
Williams, 324 F.3d 1049, 1050 (8th Cir. 2003) (per curiam) (refusal to depart is not
reviewable unless defendant makes substantial showing that court’s decision was
based on unconstitutional motive).

       After reviewing the record independently under Penson v. Ohio, 488 U.S. 75
(1988), we have found no nonfrivolous issues. Accordingly, we affirm the judgment
of the district court, and we grant counsel’s motion to withdraw.
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