updated 1/24/2005 5:07:37 PM ET 2005-01-24T22:07:37

The Supreme Court ruled Monday that police could have dogs check out motorists’ vehicles for drugs even if officers had no particular reason to suspect illegal activity.

The 6-2 opinion, written by Justice John Paul Stevens, stipulated that police dogs may sniff only the outside of a car after a motorist is lawfully stopped for a traffic violation, such as speeding or failing to stop at a stop sign.

But advocates for privacy rights said the ruling would lead to far more traffic stops as a way to find drugs. They also warned that the decision could open the door to more expansive searches, from sniffs inside the vehicle to checks of cars parked along sidewalks and pedestrians on the street.

Before Monday’s ruling, the Supreme Court had authorized drug dogs primarily to sniff luggage at airports.

“The use of dogs is intimidating,” said Harvey Grossman, an attorney with the American Civil Liberties Union in Chicago. “Thousands of motorists have called complaining about suddenly finding their cars surrounded by policemen and drug dogs. Now no one is safe from this major intrusion into our lives.”

Illinois Attorney General Lisa Madigan, who argued the case, called the ruling a victory for law enforcement in the war on drugs. “The use of canine units to help fight this battle is indispensable,” she said.

Driver had marijuana in truck
The case involves Roy Caballes, who was stopped by Illinois police in 1998 for driving 6 mph over the speed limit. Although Caballes lawfully produced his driver’s license, troopers brought over a drug dog after noticing air freshener in the car and noting that Caballes appeared nervous.

The dog indicated that drugs were in the trunk, and police searched it even though Caballes refused to give permission. They found $250,000 worth of marijuana, and Caballes was convicted of drug trafficking.

The verdict was thrown out by the Illinois Supreme Court, which ruled that the search was improper because police had no particular reason to suspect that Caballes had drugs.

In his opinion, Stevens reversed the state court ruling, saying the intrusion into Caballes’ privacy was too minimal to invoke constitutional protection.

“A dog sniff conducted during a concededly lawful traffic stop that reveals no information other than the location of a substance that no individual has any right to possess does not violate the Fourth Amendment,” Stevens wrote.

In a dissent, Justice Ruth Bader Ginsburg bemoaned what she called the broadening of police search powers, saying the use of drug dogs would make routine traffic stops longer and more adversarial. She was joined in her dissent by Justice David H. Souter.

The court has long held that traffic stops should be brief because police often use them as a pretext to question motorists about other suspected illegal activity. Critics argue that authorities now will have wide power to check a car without consent, even if a police dog proved to be wrong about the presence of drugs.

“Under today’s decision, every traffic stop could become an occasion to call in the dogs, to the distress and embarrassment of the law-abiding population,” Ginsburg wrote, citing the danger that police could soon conduct “suspicionless, dog-accompanied drug sweeps” of parked cars or cars stopped at red lights.

Ginsburg and Souter noted, however, that they would not necessarily object in cases in which dogs were needed to detect explosives or other hazardous weapons by a suspected terrorist.

Broader restrictions urged
Grossman said some states, including New Jersey, had passed legislation requiring police to have valid grounds to use drug-sniffing dogs during traffic stops because of the potential for police abuse, and he urged other states to do the same.

The state of Illinois’ appeal was supported by 28 states and several law enforcement groups.

Chief Justice William H. Rehnquist, who is ailing with thyroid cancer, did not participate in consideration of the case.

The case is Illinois v. Caballes, 03-923.

© 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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