United States v. Derrick K. Patterson

1The Honorable Linda R. Reade, United States District Judge for the Northern
District of Iowa.
United States Court of Appeals
FOR THE EIGHTH CIRCUIT
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No. 05-2157
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United States of America, *
*
Appellee, *
* Appeal from the United States
v. * District Court for the
* Northern District of Iowa.
Alfredo Contreras-Diaz, *
* [UNPUBLISHED]
Appellant. *
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Submitted: March 17, 2006
Filed: March 29, 2006
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Before RILEY, MAGILL, and GRUENDER, Circuit Judges.
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PER CURIAM.
Alfredo Contreras-Diaz unconditionally pleaded guilty to possessing marijuana
with intent to distribute, in violation of 21 U.S.C. § 841(a)(1), and the district court 1
sentenced him to 41 months in prison and 3 years of supervised release. He appeals.
For the reasons discussed below, we affirm his conviction and sentence.
First, Contreras-Diaz argues that the district court erred by denying in part his
motion to suppress. However, his unconditional guilty plea precludes him from

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raising this argument on appeal. See United States v. Jennings, 12 F.3d 836, 839 (8th
Cir. 1994). Second, Contreras-Diaz argues that the district court erred by applying an
enhancement for obstruction of justice and by not granting him a reduction for
acceptance of responsibility. Having reviewed the district court’s factual findings and
legal conclusions under the applicable standards of review, we see no error. See
U.S.S.G. § 3C1.1, comment. (n.4(e)); U.S.S.G. § 3E1.1, comment. (n.4).
Accordingly, we affirm the judgment of the district court.
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