Ashe v. Swenson
Headline: Limits prosecutors’ ability to retry defendants for related crimes, blocking repeated prosecutions over the same factual issue and protecting acquitted defendants from relitigation of identity evidence.
Holding: The Court held that the Fifth Amendment’s double-jeopardy protection includes collateral estoppel and therefore Missouri could not constitutionally retry a man on a second robbery charge after his acquittal on the same identifying issue.
- Prevents prosecutors from retrying acquitted defendants on the same factual issue.
- Protects defendants from successive trials that patch identification gaps.
- Requires courts to treat acquittal findings as final in later prosecutions.
Summary
Background
A man arrested after a January 10, 1960 armed robbery at a home poker game was tried first for robbing one victim and acquitted for lack of proof that he was one of the robbers. Six weeks later the State tried him again for robbing a different victim from the same incident, obtained stronger identification testimony, convicted him, and sentenced him to 35 years. State courts and a federal habeas court had upheld the second conviction under prior precedent, and the case reached the High Court to decide the constitutional question.
Reasoning
The Court asked whether the Fifth Amendment protection against being tried twice (made applicable to the States by Benton v. Maryland) forbids trying an acquitted person again when the later prosecution asks the jury to relitigate the very factual issue decided earlier. Relying on the federal rule that a final acquittal on a factual issue prevents relitigation of that issue (often called collateral estoppel), the Court held that the Double Jeopardy Clause bars the second trial here because the first jury necessarily resolved the only contested factual question (whether he was one of the robbers). The Court reversed the conviction and sent the case back for further proceedings consistent with that holding.
Real world impact
The decision prevents prosecutors from using successive trials naming different victims to shore up weak identification evidence and forces courts to treat critical factual findings in acquittals as final. It applies to state prosecutions too and was applied with retroactive effect in light of earlier cases, so many prior and future prosecutions may be affected.
Dissents or concurrances
Several Justices concurred for different reasons: some emphasized collateral estoppel as constitutional, one urged a broader "same transaction" rule, and the Chief Justice dissented, warning against extending collateral estoppel into the Double Jeopardy Clause.
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