October Term 2012 · Docket 11-817

Does a trained dog's alert alone prove probable cause to search a vehicle?

Florida and Harris disagree on whether a dog's alert alone proves probable cause to search a vehicle.

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Florida v. Harris
Latest argument session
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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. Garre argued that a trained dog's alert establishes probable cause to search a vehicle.

    Mr. Gifford argued that no canine exception exists to the totality of the circumstances test.

    Mr. Palmore argued that trained dogs reliably detect target odors in critical security roles.

    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 asks if a trained dog's alert alone proves probable cause to search a vehicle.

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How the case got here

The Supreme Court heard oral argument in this case on October 31, 2012.

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What each side wants

Florida wants the Court to hold that a dog's alert alone proves probable cause.

Harris wants the Court to require courts to examine the dog's reliability.

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What each side says

Florida argues a dog's alert alone establishes probable cause to search a vehicle.

Harris argues courts must apply the totality of the circumstances test.

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What the justices asked

Justice Sotomayor asked how a judge determines if a police department's training is adequate.

Justice Sotomayor asked what specific legal rule the state wants the Court to announce.

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Why it matters

This dispute defines the standard for using drug dogs to search vehicles without a warrant.

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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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