October Term 2021 · Docket 20-1650

Can courts weigh new facts when reducing sentences under the First Step Act?

the sides that brought the case seek to consider new evidence. The government argues courts must ignore it.

Official caption
Concepcion v. United States
Latest argument session
Latest official Court activity
Latest verified event
Decided
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Post Opinion

Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official oral-argument transcript was verified.
  3. — 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. McCloud argued the First Circuit ruling conflicts with the law's text.

    Mr. Guarnieri stated the Act authorizes a limited reduction proceeding.

    Justice Gorsuch questioned the basis for finding an abuse of discretion.

    Chief Justice Roberts asked if courts can refuse to exercise discretion.

    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

The First Step Act allows sentence reductions. Courts disagree on what evidence they may review.

Official sources for this section

How the case got here

The Supreme Court heard oral argument in this case on January 19, 2022.

Official sources for this section

What each side wants

the sides that brought the case want courts to weigh new facts and law.

The government wants courts to limit review to old records.

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What each side says

the sides that brought the case argue the statute text allows broad discretion.

The government argues the statute mandates a narrow scope.

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What the justices asked

Justice Thomas asked if the discretionary argument is stronger.

Justice Breyer asked how courts would apply this discretion.

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Why it matters

This case defines the scope of federal sentencing discretion. It determines whether judges can consider a prisoner's current behavior. It affects how courts apply the First Step Act. It shapes the balance between statutory text and judicial judgment.

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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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