That is the bizarre — and scary — rule that now applies in California and eight other Western states. The U.S. Court of Appeals for the Ninth Circuit, which covers this vast jurisdiction, recently decided the government can monitor you in this way virtually anytime it wants — with no need for a search warrant. (See a TIME photoessay on Cannabis Culture.)

It is a dangerous decision — one that, as the dissenting judges warned, could turn America into the sort of totalitarian state imagined by George Orwell. It is particularly offensive because the judges added insult to injury with some shocking class bias: the little personal privacy that still exists, the court suggested, should belong mainly to the rich.

This case began in 2007, when Drug Enforcement Administration (DEA) agents decided to monitor Juan Pineda-Moreno, an Oregon resident who they suspected was growing marijuana. They snuck onto his property in the middle of the night and found his Jeep in his driveway, a few feet from his trailer home. Then they attached a GPS tracking device to the vehicle’s underside.

After Pineda-Moreno challenged the DEA’s actions, a three-judge panel of the Ninth Circuit ruled in January that it was all perfectly legal. More disturbingly, a larger group of judges on the circuit, who were subsequently asked to reconsider the ruling, decided this month to let it stand. (Pineda-Moreno has pleaded guilty conditionally to conspiracy to manufacture marijuana and manufacturing marijuana while appealing the denial of his motion to suppress evidence obtained with the help of GPS.)

In fact, the government violated Pineda-Moreno’s privacy rights in two different ways. For starters, the invasion of his driveway was wrong. The courts have long held that people have a reasonable expectation of privacy in their homes and in the “curtilage,” a fancy legal term for the area around the home. The government’s intrusion on property just a few feet away was clearly in this zone of privacy.

The judges veered into offensiveness when they explained why Pineda-Moreno’s driveway was not private. It was open to strangers, they said, such as delivery people and neighborhood children, who could wander across it uninvited. (See the misadventures of the CIA.)

Chief Judge Alex Kozinski, who dissented from this month’s decision refusing to reconsider the case, pointed out whose homes are not open to strangers: rich people’s. The court’s ruling, he said, means that people who protect their homes with electric gates, fences and security booths have a large protected zone of privacy around their homes. People who cannot afford such barriers have to put up with the government sneaking around at night.

Judge Kozinski is a leading conservative, appointed by President Ronald Reagan, but in his dissent he came across as a raging liberal. “There’s been much talk about diversity on the bench, but there’s one kind of diversity that doesn’t exist,” he wrote. “No truly poor people are appointed as federal judges, or as state judges for that matter.” The judges in the majority, he charged, were guilty of “cultural elitism.” (Read about one man’s efforts to escape the surveillance state.)

The court went on to make a second terrible decision about privacy: that once a GPS device has been planted, the government is free to use it to track people without getting a warrant. There is a major battle under way in the federal and state courts over this issue, and the stakes are high. After all, if government agents can track people with secretly planted GPS devices virtually anytime they want, without having to go to a court for a warrant, we are one step closer to a classic police state — with technology taking on the role of the KGB or the East German Stasi.

Fortunately, other courts are coming to a different conclusion from the Ninth Circuit’s — including the influential U.S. Court of Appeals for the District of Columbia Circuit. That court ruled, also this month, that tracking for an extended period of time with GPS is an invasion of privacy that requires a warrant. The issue is likely to end up in the Supreme Court.

In these highly partisan times, GPS monitoring is a subject that has both conservatives and liberals worried. The U.S. Court of Appeals for the D.C. Circuit’s pro-privacy ruling was unanimous — decided by judges appointed by Presidents Ronald Reagan, George W. Bush and Bill Clinton. (Comment on this story.)

Plenty of liberals have objected to this kind of spying, but it is the conservative Chief Judge Kozinski who has done so most passionately. “1984 may have come a bit later than predicted, but it’s here at last,” he lamented in his dissent. And invoking Orwell’s totalitarian dystopia where privacy is essentially nonexistent, he warned: “Some day, soon, we may wake up and find we’re living in Oceania.”