Timothy Dean Wolf pleaded guilty to conspiring to distribute 500 grams or more of methamphetamine. See 21 U.S.C. § 841(a)(1), (b)(l)(A)(viii) (1994 & Supp. IV 1998); 21 U.S.C. § 846 (1994). The District Court 1 sentenced Wolf to a ten-year prison term. Wolf appeals his sentence on two closely related bases. He first argues that the District Court erred when it denied his pre-sentencing motion to compel the government to file a motion (pursuant to United States Sentencing Guideline (U.S.S.G.) § 5K1.1 or 18 U.S.C. § 3553(e)) for a substantial-assistance downward departure to reduce Wolfs sentence below both the Guidelines range and the statutory minimum. Wolfs second argument is that the District Court’s decision not to grant a downward departure pursuant to U.S.S.G. § 5K2.0 was in error because mitigating circumstances not adequately taken into consideration by the Sentencing Commission warranted such a departure.
We conclude that Wolf has failed to make a substantial threshold showing that the government’s refusal to move for a substantial-assistance downward departure *1190 was unconstitutional or motivated by bad faith. Moreover, because the District Court recognized its authority to depart downward pursuant to § 5K2.0, its decision not to depart is not subject to review on appeal. We therefore affirm.
Both U.S.S.G. § 5K1.1 and 18 U.S.C. § 3553(e) permit the government to make a substantial assistance-based motion for a downward departure.
See Wade v. United States,
Absent a motion by the government, a district court generally lacks the authority to grant a downward departure based on a defendant’s substantial assistance.
United States v. Matlock,
A refusal to file a substantial-assistance downward departure motion is unconstitutional if it was based upon or motivated by some form of invidious discrimination.
See Wade,
A refusal may also be unconstitutional if it is irrational, for an irrational refusal denies the defendant due process of law.
See id.
(explaining that the defendant “would be entitled to relief if the prosecutor’s refusal to move was not rationally related to any legitimate Government end”);
Chapman v. United States,
Having determined that the government’s refusal did not violate constitutional standards, we turn to the issue of bad faith. As noted above, a district court may compel the government to move for a substantial-assistance downward departure if its refusal was motivated by bad faith.
Rounsavall,
Wolf nevertheless failed to make a substantial threshold showing to support his allegation of bad faith. To merit an evidentiary hearing, a defendant must do more than present “generalized allegations of improper motive.”
Wade,
Wolfs challenge to the District Court’s exercise of its discretion not to grant him a downward departure pursuant to U.S.S.G. § 5K2.0 for mitigating circumstances falling outside the “heartland” cases encompassed by the Guidelines likewise fails.
4
See
U.S. Sentencing Guidelines Manual § 5K2.0 (2000) (providing that a circumstance not ordinarily relevant in considering a departure may be relevant if it “is present to an unusual degree and distinguishes the case from the ‘heartland’ cases covered by the guidelines”). “[A] discretionary decision
not to
depart from the Guidelines is unreviewable on appeal absent an unconstitutional motive” so long as the district court recognized its authority to depart.
United States v. Field,
Wolfs sentence is affirmed.
Notes
. The Honorable Mark W. Bennett, Chief Judge, United States District Court for the Northern District of Iowa.
. As Wolf notes in his opening brief, the government refused to enter into a plea agreement of any kind.
Cf., e.g., United States v. Johnson,
. Moreover, we do not think that the word "punishment” can accurately describe Wolf’s failure to receive a substantial-assistance downward departure. A substantial-assistance downward departure is more appropriately characterized as a reward or quid pro quo for providing valuable cooperation. Withholding a reward because the intended recipient fails to fulfill the necessary conditions is not the same as punishing.
Cf. United States v. Romsey,
. As part of the factual predicate to support his argument for a § 5K2.0 downward departure, Wolf repeatedly refers to the government's refusal to move on his behalf for a substantial-assistance downward departure. To dispel potential confusion, we point out that substantial assistance must be considered under §
5K1.1
and cannot serve as a ground for departure under § 5K2.0.
United States v. Fountain,
