October Term 2016 · Docket 15-118

Can a Mexican national sue a U.S. agent for a cross-border shooting?

The dispute centers on whether the Fourth Amendment protects a Mexican national shot by a U.S. agent from inside the United States.

Official caption
Hernandez v. Mesa
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Argued
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Official Transcript

Verified source milestones

  1. — 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. Kneedler asked the Court to create a new damages remedy.

    Mr. Hilliard described the victim as unarmed and unthreatening.

    Mr. Ortega argued the Fourth Amendment does not apply in Mexico.

    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

Sergio Hernandez, a 15-year-old Mexican national, was shot and killed by a U.S. Border Patrol agent. The agent stood inside the United States while Hernandez stood in Mexico. The lower court dismissed the family's claim. The Supreme Court must decide if the Constitution applies to this cross-border incident.

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How the case got here

The Supreme Court heard oral argument in this case on February 21, 2017.

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What each side wants

The family wants a legal right to sue for damages.

The agent wants the court to deny the family a legal claim.

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What each side says

The family argues the Fourth Amendment protects them from excessive force.

The agent argues the Fourth Amendment does not apply to Mexican soil.

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What the justices asked

Justice Alito asked if the rule applies to different ages.

Chief Justice Roberts asked if state guards would face different rules.

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Why it matters

This case defines the geographic reach of constitutional protections. It determines if U.S. agents can use force against foreign nationals without legal consequence. The outcome shapes accountability for cross-border law enforcement actions.

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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

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.

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