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Right to question lab witnesses

Clark v. United States

Updated Nov 12, 2026

In brief

Where it stands
Dismissed

Petition denied.

What it’s about
Anthony M. Clark asked the Supreme Court to review whether a substitute expert’s testimony about lab results used to convict him violated his constitutional right to question witnesses against him (the Confrontation Clause).
Who it affects
Clark did not get Supreme Court review of his challenge; the order did not decide whether the testimony violated his rights.

Summary: written with AI from the case record.

Illustration for Anthony M. Clark, Petitioner v. United States
Conceptual illustration · AI-generated

What it's about

Clark sought Supreme Court review of a ruling by the U.S. Court of Appeals for the Armed Forces.

Question presented

Did the surrogate expert’s testimony about the accuracy and veracity of the lab results used to convict Petitioner violate the Confrontation Clause?

Documents

1

Docket activity

7
  • New analysis added

    Nov 12, 2026 · Court records

  • AI analysis generated: Case Briefing

    Nov 12, 2026 · Generated

  • AI analysis generated: Decision Record

    Nov 12, 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

    Jul 10, 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 12, 2026Methodology

Court records and filings

Reporting and analysis