Codefendant statements at trial
Martinez v. Massachusetts
In brief
- Where it stands
- Dismissed
Petition denied.
- What it’s about
- Adalberto Martinez asked the Supreme Court to review whether Massachusetts could use a non-testifying codefendant’s out-of-court accusation as true evidence against him in their joint criminal trial.
- Who it affects
- Martinez received no Supreme Court decision on whether the accusation could be used against him.
Summary: written with AI from the case record.

What it's about
The dispute arose from a joint criminal trial in Massachusetts involving Martinez and a codefendant who did not testify.
Question presented
Whether the Sixth and Fourteenth Amendments permit the State, in a joint criminal trial, to introduce for its truth a non-testifying codefendant’s out-of-court accusation expressly implicating the defendant, on the theory that the…?
Documents
Docket activity
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AI analysis generated: Case Briefing
AI analysis generated: Decision Record
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Brief added: Petition
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.