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Young adult life without parole

Missouri, ex rel. Zachary A. Smith v. Morriss

Updated Nov 11, 2026

In brief

Where it stands
Petition Pending

Awaiting an order on the petition

No decision timeline until the Court agrees to hear the case.

What it’s about
Zachary Smith asks the Supreme Court to review whether mandatory life-without-parole sentences for 18-to-20-year-olds convicted of first-degree murder violate the Eighth Amendment, given an asserted national consensus against them.
What's at stake
Smith's challenge to mandatory life without parole remains unresolved.

Summary: written with AI from the case record.

What it's about

The case comes from the Supreme Court of Missouri, whose ruling Smith asks the justices to review.

Question presented

WHETHER THERE IS A NATIONAL CONSENSUS AGAINST MANDATORY LWOP SENTENCES FOR EMERGING ADULTS (18-20) CONVICTED OF FIRST DEGREE MURDER, IN VIOLATION OF THE EIGHTH AMENDMENT TO THE UNITED STATES CONSTITUTION?

What happens next

The next step is for the Court to decide whether to hear the case. No argument is scheduled.

Documents

1

Docket activity

5
  • New analysis added

    Nov 11, 2026 · Court records

  • AI analysis generated: Case Briefing

    Nov 11, 2026 · Generated

  • Case data updated: question_presented, extraction_metadata

    Nov 11, 2026 · Court records

  • Case data updated: summary, question_presented, generation_metadata

    Nov 11, 2026 · Court records

  • Brief added: Petition

    Sep 8, 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