BALDOCK, Circuit Judge. Defendant-appellant Winona Chimal was charged with eleven counts of embezzlement from an Indian tribe. 18 U.S.C. 1163. She was convicted on two counts, acquitted on one count, and the district court declared a mistrial on the remaining counts because the jury could not agree. Defendant appeals, raising the following points of error: (1) the government failed to prove a corpus delicti; (2) the trial court erred in allowing the prosecutor to impeach Defendant with her pre-arrest silence; (3) the prosecutor's alleged misstatement of the law of double jeopardy during closing argument resulted in a conviction on improper grounds; (4) the district court erred in failing to grant a two-level reduction for acceptance of responsibility, U.S.S.G. 3E1.1(a); (5) the district court erred in giving a two-level increase for more than minimal planning, U.S.S.G. 2B1.1(5); and (6) the district court erred in giving a two-level increase for Defendant's abuse of a position of trust, U.S.S.G. 3B1.3. This court has jurisdiction under 28 U.S.C. 1291 and 18 U.S.C. 3742, and finding no error we affirm.