Koon v. United States

The United States Sentencing Commission Guidelines establish ranges of criminal sentences for federal offenses and offenders. A district court must impose a sentence within the applicable Guideline range, if it finds the case to be a typical one. See 18 U. S. C. § 3553(a). District courts may depart from the Guideline range in certain circumstances, however, see ibid., and here the District Court departed downward eight levels. The Court of Appeals for the Ninth Circuit rejected the District Court’s departure rulings, and, over the published objection of nine of its judges, declined to rehear…