A Rare Digital Privacy Showdown at the Highest Court
The United States Supreme Court is set to hear oral arguments in Chatrie v. The United States, a case that could significantly curtail the government's ability to gather bulk digital data on device users through a single warrant. This marks the first major Fourth Amendment case the court has taken up since 2018, an extended gap that has drawn attention given how dramatically technology affecting personal privacy has evolved in the intervening years.
The case centers on so-called geofence warrants, a law enforcement tool that compels technology companies to hand over user data tied to a specific geographic area during a defined time window. The implications of the court's ruling could ripple far beyond the facts of this particular case.
"It's a really interesting question about a law enforcement tool that would have been unimaginable a few decades ago, where you can basically look at potentially every phone, for example, that passed through a particular area in a particular window," said John Villasenor, a law professor at UCLA and nonresident senior fellow at the Brookings Institution.
The Facts Behind the Case
Okello Chatrie was convicted for a 2019 bank robbery after law enforcement used a geofence warrant to compel Google to disclose location data on users within a one-hour period and a 17.5-acre area, after which investigators further refined the search to narrow in on suspects.
A Virginia court ultimately ruled that the geofence warrant was unconstitutional — finding it insufficiently specific and lacking probable cause for every user whose data was swept up. Despite that ruling, the court allowed the evidence to be used at trial under the good faith exception, which holds that evidence obtained by officers who reasonably believed their actions were lawful remains admissible even if a warrant is later found deficient.
Villasenor noted that the Supreme Court could bring much-needed clarity by squarely addressing the good faith exception, which lower courts have repeatedly used to avoid making definitive constitutional rulings. One study found this sidestep to be a recurring pattern in digital privacy litigation.
A Politically Unusual Coalition
Unusually for a case before the current court, both conservative and liberal civil liberties advocates have aligned behind the petitioner, leaving the U.S. government with comparatively thin support from friend-of-the-court briefs. A bloc of 32 attorneys general has sided with the government, along with certain law professors.
The political dimensions extend into Congress. Democrats have expressed concern about geofence warrants in the context of abortion rights — specifically the possibility of tracking individuals seeking reproductive healthcare — while Republicans have raised objections over the tool's use in investigating suspects connected to the January 6, 2021 Capitol insurrection.
The Third-Party Doctrine at Stake
The government's core argument rests on the longstanding third-party doctrine, which holds that individuals surrender their reasonable expectation of privacy in information they voluntarily share with outside parties. In its brief, the United States argued: "Individuals generally have no reasonable expectation of privacy in information disclosed to a third party and then conveyed by the third party to the government." It further noted that Chatrie had opted into Google's storage of his location history, and drew comparisons to more conventional identifiers of physical presence, such as tire tracks or boot prints.
Critics of that position point to the Supreme Court's 2018 ruling in Carpenter v. The United States, in which the justices limited the applicability of the third-party doctrine when it came to 127 days' worth of cell site location information. The court held that accessing such an extensive record constituted a Fourth Amendment search requiring a warrant. Advocates for Chatrie argue that Carpenter should extend logically to geofence warrants.
Brent Skorup, a legal fellow at the Cato Institute — which filed an amicus brief on behalf of the petitioner — articulated the stakes clearly: "We think it's important that courts get it right and that, among other things, courts recognize that we have a property interest in many of our digital records. If the government can get those digital records without a warrant, that renders the Fourth Amendment pretty empty and we're not secure in our privacy and traditional rights to having control of our private papers and effects."
Broader Implications Beyond Location Data
Although Google has since stopped storing location data in the cloud, moving those records directly onto user devices instead, advocates siding with Chatrie argue the ruling could establish precedent with sweeping consequences. They contend it could affect government access to financial records, search history records, chat bot records, and a range of other digital data held by third parties.
Google itself weighed in with its own brief, though the company declined to take a side on the specific warrant used against Chatrie. However, it did urge the court to extend Fourth Amendment protections to Google Location History and similar remotely stored digital documents, writing: "A contrary rule would leave the intimate details of millions of Americans' daily lives — data that will exist in many forms as technology rapidly develops — exposed to warrantless surveillance."
Will the Court Deliver a Clear Answer?
Despite hopes for a definitive ruling, both Villasenor and Skorup acknowledged the possibility that the Supreme Court might stop short of issuing a comprehensive decision. Since Carpenter was decided in 2018, three of the justices who participated in that ruling have been replaced by new appointees, introducing uncertainty about the court's current direction on digital privacy.
Skorup offered a candid assessment of why such cases rarely make it to the Supreme Court level: "Part of it might be because the court has not developed a consensus view about how to approach these yet. It's speculation on my part, but they probably have some ambivalence about taking up cases where they know that they're not going to speak with one voice, or they know they might speak with fractured voices."
The relative scarcity of digital privacy cases at the Supreme Court level could also simply reflect a crowded docket, though observers suggest the court's internal uncertainty about these novel technological questions may be the more consequential factor. Whatever the outcome, Chatrie v. The United States represents one of the most consequential moments for digital civil liberties in years.
Source: CyberScoop