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Illinois v. Caballes

Docket No.: 03-923
Certiorari Granted: Apr 5 2004
Argued: November 10, 2004
Decided: January 24, 2005


Amendment 4: Fourth Amendment, Criminal Procedure, Search and Seizure, Vehicles, Eighth Amendment, Federal Aviation Administration, Fourth Amendment, habeas, harmless error, murder, privacy, probable cause

PartyNames: Illinois v. Roy I. Caballes
Petitioner: Illinois
Respondent: Roy I. Caballes

Court Below: Supreme Court of Illinois
Citation: 802 NE2d 202
Supreme Court Docket

Roy I. Caballes
543 U.S. 405 (2005)
Question Presented:

Whether the Fourth Amendment requires reasonable, articulable suspicion to justify using a drug-detection dog to sniff a vehicle during a legitimate traffic stop.


Does the Fourth Amendment's search and seizure clause require a reasonable articulable suspicion to conduct a canine sniff during a routine traffic stop?

Illinois v. Caballes

November 10, 2004

Holding: vacated and remanded
Decision: Decision: 6 votes for Illinois, 2 vote(s) against
Vote: 6-2
Recused: Chief Justice Robert
Opinion By:

Illinois v. Caballes
Case Documents

1Opinion in Illinois v. Caballes
2Opinion in Illinois v. Caballes
3Slip Opinion in Illinois v. Caballes
Additional documents for this case are pending review.