Right to question lab witnesses
Clark v. United States
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.

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
Docket activity
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AI analysis generated: Case Briefing
AI analysis generated: Decision Record
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Case data updated: question_presented, extraction_metadata
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.