Hunter v. United States
Decision
The Supreme Court held that appeal waivers in plea agreements are unenforceable if a sentence would result in a miscarriage of justice.
Plain-English summary generated by AI from the Court's published opinion on June 19, 2026. Always read the official opinion for the controlling text.
Key Takeaways
- 01Plea agreement appeal waivers are generally valid if they are knowing and voluntary.
- 02A court's accidental comment about appeal rights at sentencing does not automatically cancel a signed waiver.
- 03Appellate courts will not enforce a waiver if it would result in a 'miscarriage of justice.'
What Happened?
Munson Hunter III pleaded guilty to wire fraud and signed a waiver promising not to appeal his sentence. At sentencing, the judge ordered Hunter to take mental-health medication as a condition of release and then mistakenly told Hunter he had a right to appeal. Hunter appealed the medication requirement, but the government moved to dismiss the case based on his signed waiver.
Legal Question
Is an appeal waiver in a plea agreement enforceable when the challenged sentence would result in a miscarriage of justice?
Why the Court Ruled This Way
In an 8-1 decision written by Justice Kagan, the Court held that appeal waivers are unenforceable when they result in a 'miscarriage of justice'—defined as an egregious error that brings the judicial system into disrepute. The Court reasoned that the judiciary has an independent interest in fairness that cannot be signed away by parties. The case was sent back to the lower court to determine if Hunter’s specific medication condition met this high bar.
Arguments in Favor
Supporters of the decision argue that the ruling provides a vital safety valve to prevent clearly unconstitutional or illegal sentences from becoming permanent just because of a contract.
Arguments Against
Critics, including the dissenting justice, may argue that the ruling undermines the finality of plea bargains and replaces clear contract terms with a vague judicial standard.
What This Means for Everyday Americans
Americans who enter plea deals can still waive their right to appeal, but they now have a legal path to challenge rare and extreme errors, such as sentences that exceed legal limits or involve illegal discrimination.
Explain It Like I'm 12
When someone pleads guilty to a crime, they often sign a paper saying they won't appeal their sentence. However, the Supreme Court ruled that if a judge makes a giant, obvious mistake—like giving a punishment that is totally illegal—the person can still appeal. This exists because the court system must always be fair, and some mistakes are too big to ignore. For most normal cases, though, the promise not to appeal still counts.
Background
The Court adopted the majority view of lower courts, ruling that while most appeal waivers are valid, they cannot be used to insulate 'egregious' errors that damage the integrity of the courts.