Skip to main content

Codefendant statements at trial

Martinez v. Massachusetts

Updated Nov 11, 2026

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.

Illustration for Adalberto Martinez, Petitioner v. Massachusetts
Conceptual illustration · AI-generated

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

1

Docket activity

7
  • New analysis added

    Nov 11, 2026 · Court records

  • AI analysis generated: Case Briefing

    Nov 11, 2026 · Generated

  • AI analysis generated: Decision Record

    Nov 11, 2026 · Generated

  • New analysis added

    Nov 11, 2026 · Court records

  • Case data updated: summary, question_presented, generation_metadata

    Nov 11, 2026 · Court records

Show 2 more
  • Case data updated: question_presented, extraction_metadata

    Nov 11, 2026 · Court records

  • Brief added: Petition

    Sep 2, 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 11, 2026Methodology

Court records and filings

Reporting and analysis