Unproven rape claims as evidence
Nevada v. Calvin O'Neil Jackson
In brief
The Supreme Court overturned the Ninth Circuit's judgment and returned Jackson's case for more proceedings; its order did not end the case.
- Where it stands
- Decided
Decided 9-0 · June 3, 2013 · Per curiam
- What it’s about
- Calvin O'Neil Jackson argued that Nevada's courts denied his right to present a defense by excluding evidence that his accuser's earlier sexual-assault claims were unsubstantiated.
- Who it affects
- The Ninth Circuit's judgment no longer stands, but the Supreme Court's order sent Jackson's case back rather than ending it.
Summary: written with AI from the case record.

What it's about
The Supreme Court overturned the Ninth Circuit's judgment (reversed) and sent the case back for further proceedings (remanded).
The dispute centered on whether evidence about an accuser's previous claims could be presented in Jackson's defense.
Question presented
Did Nevada's state courts deny a defendant's constitutional right to present a defense when they prevented the defendant from entering evidence that a rape victim's previous sexual assault claims were unsubstantiated?
What the Court decided
Holding
The judgment of the United States Court of Appeals for the Ninth Circuit is reversed, and the case is remanded for further proceedings consistent with this opinion.
- Result
- Reversed
The vote
What's next
The case returns to the Ninth Circuit for further proceedings consistent with the Supreme Court's opinion.
Documents
Opinions
Docket activity
New analysis added
AI analysis generated: Case Briefing
AI analysis generated: Decision Record
Case data updated: summary, question_presented, generation_metadata
Case data updated: question_presented, extraction_metadata
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Opinion added: Opinion
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.