October Term 2021 · Docket 20-1009

Can a prisoner use new evidence after a procedural default?

The dispute centers on whether federal courts must hold evidentiary hearings for habeas claims when state courts barred them due to procedural errors.

Official caption
Shinn v. Ramirez
Latest argument session
Latest official Court activity
Latest verified event
Decided
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Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official Court opinion was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    Mr. Roysden argued that Congress created a high bar for federal evidentiary hearings under AEDPA.

    Mr. Loeb argued that the statute requires a finding of fault to bar a hearing.

    Chief Justice Roberts noted that excusing a default implies the right to present supporting evidence.

    Justice Thomas questioned the utility of excusing a default without allowing evidence development.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

This case tests the scope of federal habeas review. It asks if a prisoner can present new evidence after missing state deadlines. The outcome affects the balance between state finality and federal oversight.

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How the case got here

The Supreme Court heard oral argument in this case on December 8, 2021.

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What each side wants

the side that brought the case wants a federal evidentiary hearing to present new evidence supporting his habeas claim.

the opposing side wants the federal court to deny the hearing because the state court barred the claim.

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What each side says

the side that brought the case argues that excusing a procedural default requires allowing the prisoner to develop the underlying factual basis.

the opposing side argues that the statute only bars hearings when the applicant failed to develop facts through fault.

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What the justices asked

Chief Justice Roberts asked if the statutory language specified the rule before the Martinez decision.

Justice Thomas questioned the purpose of excusing a default without allowing the prisoner to develop evidence.

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Why it matters

This case defines the limits of federal habeas relief. It determines whether prisoners can cure procedural errors with new evidence. The ruling shapes the finality of state criminal convictions.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Verified official opinions and orders

Title and summary sources

Revision history

  1. Revision 1 · Post Opinion ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Post Opinion ·

    Correction: Migrated to the dated official Court activity contract without model use.

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