October Term 2005 · Docket 04-1414

Can police execute a search warrant before a specific triggering event occurs?

The dispute centers on whether law enforcement must wait for a specific event to happen before executing a search warrant.

Official caption
United States v. Grubbs
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

    General Dreeben argued the warrant particularly described the place and things to be seized.

    Mr. Reichel noted that triggering events are commonly not so clean.

    Justice Kennedy suggested that adding a qualification makes a big change in warrant usage.

    Justice Souter emphasized an ongoing obligation of reasonableness in how searches are carried out.

    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 examines the validity of anticipatory search warrants. The government argues these warrants are legal if probable cause exists at issuance. The defendant argues execution requires a specific triggering event to occur first.

Official sources for this section

How the case got here

The Supreme Court heard oral argument in this case on January 18, 2006.

Official sources for this section

What each side wants

The government wants the Court to uphold the search and affirm the conviction.

The defendant wants the Court to suppress the evidence and reverse the conviction.

Official sources for this section

What each side says

The government argues the warrant was valid because it described the place and items clearly.

The defendant argues the search was unreasonable because the triggering event did not occur.

Official sources for this section

What the justices asked

Justice Stevens asked if the executing officer must be the same officer who obtained the warrant.

Chief Justice Roberts asked if execution before the triggering event invalidates the warrant due to lack of probable cause.

Official sources for this section

Why it matters

This case defines the limits of anticipatory search warrants. It determines when police may enter a home. It balances privacy rights against law enforcement needs. It sets a standard for future warrant executions.

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