October Term 2003 · Docket 02-1794

Can Customs Officials Open Gas Tanks During Border Searches?

The dispute centers on whether border agents may open a vehicle's gas tank without a warrant or specific suspicion.

Official caption
United States v. Flores-Montano.
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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

    Ms. Blatt argued Customs officials must protect borders against dangerous items.

    Ms. Blatt explained that the twenty-five percent figure relates to vehicle drug seizures.

    Mr. Hubachek noted prior cases involved vehicles but not gas tanks.

    Mr. Hubachek suggested smugglers might use gas tanks to hide contraband.

    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 border search authority. It asks if agents can inspect sealed fuel containers during routine vehicle checks.

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How the case got here

The Supreme Court heard oral argument in this case on February 25, 2004.

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What each side wants

The government wants permission to open gas tanks during border searches.

The driver wants a ban on opening gas tanks without specific suspicion.

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What each side says

The government argues border protection requires inspecting all vehicle compartments.

The driver argues gas tanks are private spaces requiring specific suspicion.

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What the justices asked

Chief Justice Rehnquist asked a hypothetical question about the search scope.

Justice Kennedy asked about the source of a twenty-five percent seizure statistic.

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Why it matters

This case defines the physical limits of border inspections. It determines whether agents can open sealed fuel containers. It balances national security against personal privacy rights. It sets a standard for all future vehicle searches at borders.

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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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