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Fair warning in sentencing

Engstrom v. United States

Updated Nov 12, 2026

In brief

Where it stands
Dismissed

Petition denied.

What it’s about
Paul Engstrom asked whether the rule requiring fair warning before courts expand criminal laws also applies to sentence calculations, and whether an appeals court may find a sentencing error to be plain error without considering the test’s fourth step.
Who it affects
The denial ends Engstrom’s request for Supreme Court review but leaves both legal questions unanswered in this proceeding.

Summary: written with AI from the case record.

Illustration for Paul Engstrom, Petitioner v. United States
Conceptual illustration · AI-generated

What it's about

The Supreme Court refused to hear his case (denied review) and did not decide either question.

The questions arose from the Ninth Circuit’s review of Engstrom’s sentence and focused on how courts interpret criminal laws and check sentencing mistakes.

Question presented

1. In Bouie v. City of Columbia , 378 U.S. 347 (1964), this Court recognized a right of fair warning against an unforeseeable and retroactive judicial expansion of a criminal statute. Is that right limited exclusively to cases concerning the scope of criminal liability, or does it include cases involving the calculation of a defendant’s sentence? 2. In Olano v. United States , 507 U.S. 725 (1993), this Court set out the four prongs of analysis for plain-error review. Where a district court’s error results in a sentence that the court would not have otherwise imposed, may the appellate court find plain-error review satisfied without considering Olano ’s fourth prong?

Documents

1

Docket activity

6
  • New analysis added

    Nov 12, 2026 · Court records

  • AI analysis generated: Case Briefing

    Nov 12, 2026 · Generated

  • AI analysis generated: Decision Record

    Nov 12, 2026 · Generated

  • Case data updated: summary, question_presented, generation_metadata

    Nov 12, 2026 · Court records

  • Case data updated: question_presented, extraction_metadata

    Nov 12, 2026 · Court records

Show 1 more
  • Brief added: Petition

    Jul 17, 2026 · Court records

Sources

Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.

Checked Nov 12, 2026Methodology

Court records and filings

Reporting and analysis