October Term 2019 · Docket 18-776

Can courts review mixed law and fact immigration decisions?

the sides that brought the case seek review of mixed questions. The government limits review to pure legal errors.

Official caption
Guerrero-Lasprilla v. Barr
Latest argument session
Latest official Court activity
Latest verified event
Argued
Sources analyzed through
Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official oral-argument transcript 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. Hughes argued that review must be substantive.

    Mr. Liu argued that the text excludes mixed questions.

    Justice Alito questioned the practical application of the legal standard.

    Justice Sotomayor sought clarity on the classification of diligence issues.

    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 case tests the scope of judicial review in immigration law. the sides that brought the case argue courts must examine mixed questions of law and fact. The government contends courts may only review pure legal standards.

Official sources for this section

How the case got here

The Supreme Court heard oral argument in this case on December 9, 2019.

Official sources for this section

What each side wants

the sides that brought the case want courts to review mixed questions of law and fact.

The government wants courts to review only pure questions of law.

Official sources for this section

What each side says

the sides that brought the case argue the statutory text includes mixed questions in review.

The government argues the statute excludes mixed questions from review.

Official sources for this section

What the justices asked

Justice Alito asked if the government theory creates a sham exception.

Justice Kagan questioned if mixed questions belong in the legal bucket.

Official sources for this section

Why it matters

This dispute defines the power of federal courts to correct immigration errors. It determines how much discretion immigration boards retain. It shapes the rights of noncitizens seeking relief.

Official sources for this section

What happens next

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

Official sources for this section

Official Court provenance

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

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

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

  2. Revision 2 · Official Transcript ·

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

Download this sanitized case as JSON