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Gun rights for drug users

Stephen Biviano Zapata v. United States

Updated Nov 11, 2026

In brief

Where it stands
Dismissed

Petition denied.

What it’s about
Stephen Biviano Zapata asked the Supreme Court to review whether a federal law barring unlawful users of controlled substances from possessing firearms violates the Second Amendment.
Who it affects
Zapata did not get Supreme Court review of his challenge, and the Court made no ruling on its constitutional question.

Summary: written with AI from the case record.

Illustration for Stephen Biviano Zapata, Petitioner v. United States
Conceptual illustration · AI-generated

What it's about

The Court refused to hear his case (denied the petition) and did not decide that question.

The case challenged a federal ban on firearm possession by people who unlawfully use controlled substances.

Question presented

Whether 18 U.S.C. § 922(g)(3), the federal statute that prohibits possession of firearms by a person who “is an unlawful user” of “any controlled substance,” violates the Second Amendment on its face?

Documents

1

Docket activity

6
  • 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

  • Case data updated: summary, question_presented, generation_metadata

    Nov 11, 2026 · Court records

  • Case data updated: question_presented, extraction_metadata

    Nov 11, 2026 · Court records

Show 1 more
  • Brief added: Petition

    Sep 3, 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