When a district court does not articulate the legal standard it is applying, may an appellate court presume that the district court knew and correctly followed the law, even when there are indications to the contrary?

QUESTION PRESENTED This Court has held that appellate courts may presume that district courts know and correctly follow the law. But while this principle is sound in theory, its application in practice is often nuanced. This case, which concerns the application of a Sentencing Guidelines enhancement whose meaning is not at issue, presents the following question: When a district court does not articulate the legal standard it is applying, may an appellate court presume that the district court knew and correctly followed the law, even when there are indications to the contrary? i