A person holds a mobile phone, September 19, 2025.Izhar Khan/Getty Images
The High Court on Monday deliberated on whether to place constraints on the timing and procedures used by law enforcement when employing “geofence authorizations” to locate a criminal using cellphone positional information gleaned from a wide array of users, even those with no association to an offense.
Throughout the verbal debate in a significant legal challenge from Virginia, multiple justices seemed receptive to government contentions that digital sweeps are a crucial instrument for resolving transgressions, in spite of anxieties that such actions fundamentally infringe upon citizens’ entitlement to privacy.
"If you are averse to the government possessing your location history, you simply disable that feature," remarked Chief Justice John Roberts, alluding to prevalent privacy options present on most devices. "If you do not wish for them to observe inside your residence, you draw the blinds or close the window."
A person holds a mobile phone.Adobe Stock
Geofence authorizations mandate service companies, like Google or Verizon, to submit positional data and timestamps from all cellphones inside a defined perimeter during a specific duration. A solitary authorization can generate information on a significant quantity of people, often discreetly.
Generally, officials petition a judge for an authorization that is very specific regarding a particular person or establishment.
Advocates for this custom assert that obtaining the data is permissible. Detractors suggest the authorizations are an unjustified investigation proscribed by the Fourth Amendment.
"It’s my opinion that individuals should be able to share data with an external entity without the assumption that the government will scrutinize it," asserted lawyer Adam Unikowsky, who is representing a bank robber who is disputing his conviction based on the prosecution’s utilization of this data.
Okello Chatrie, the appellant in the matter, was charged with involvement in the armed heist of a Virginia credit union in 2019 and seeks to have the pivotal cellphone location evidence presented against him deemed inadmissible.
Authorities depended substantially on information procured from Google under a geofence authorization, which located Chatrie’s cellphone within 150 meters of the financial institution during the commission of the crime. Chatrie entered a conditional admission of guilt but has retained the entitlement to endeavor to expunge the evidence upon appeal, contingent on a favorable judgment from the court.
The Trump government, defending Chatrie’s indictment, argues that by conveying positional details to apps and entities such as Google, an individual relinquishes any expectancy of privacy.
Most telecom firms stipulate in the user agreements that certain data preserved in the cloud is not completely confidential and may be shared with law enforcement as directed by judicial order. Users have the ability to disable location sharing on their devices to uphold confidentiality, though many do not.
"He willingly provided Google with the information concerning his whereabouts," remarked Justice Samuel Alito in reference to Chatrie. "He not only activated [location data], but upon reviewing his agreement with Google, he would have discovered that Google maintained the prerogative to supply this information to law enforcement."
The U.S. Supreme Court building in Washington, April 22, 2026.Jonathan Ernst/Reuters
Several justices, however, voiced noteworthy apprehensions regarding geofence authorizations being overly expansive, suggesting the court might contemplate imposing certain boundaries on the instrument moving forward.
"It would also bear upon Google Photos … Google Documents … Google Calendar, your entire scheduler," observed Justice Sonia Sotomayor. "If we consider this as giving consent, this implies the government can request those documents for any cause, regardless of the perpetration of an offense, or for no cause at all, is that accurate?"
"Correct," Unikowsky affirmed.
Justice Amy Coney Barrett expressed that she was "struggling" with the case and with discerning what establishes a reasonable expectation of privacy in the contemporary cellphone era.
"Are you genuinely postulating that you could monitor someone’s presence within a residence … tracking movements inside a home, activities in the washroom, progress to the master bedroom, everything, provided the confidence interval is limited enough?" Barrett inquired of Deputy Solicitor General Eric Feigin with reservations.
"I certainly believe that we could have engaged in such actions in this instance due to the authorization," Feigin answered.
Justice Brett Kavanaugh, often a determinant vote in close deliberations, suggested that the disagreement boils down to the preciseness of a geofence authorization — and that some direction for judges might be necessitated.
"It strikes me that we ought to institute a set of benchmarks, reasonable — concerning time frames, reasonable concerning geographic expanse, and then depend on the judgments of magistrates nationwide to implement these parameters," he posited.
Geofence authorizations have progressively proven invaluable to investigators in pursuing criminal suspects, locating missing children, and aiding lost hikers in wilderness areas. Experts claim that a judgment restricting their utilization could impede future law enforcement initiatives.
Google’s logo is seen in Houston, Texas, March 24, 2026.Danielle Villasana/Reuters
Historically, law enforcement officials have secured warrants to lawfully extract information from a specific person suspected of a crime. However, “geofence authorizations” can operate conversely — by examining cellphone data from thousands of untainted individuals in hopes of locating a suspect for apprehension.
Unikowsky stated that Google has received 9,000 authorizations in 2019 alone that were requisitioning cellphone positional data.
“Each of these authorizations is confidential,” he said, urging the court to impose inaugural limitations on the practice. "The absence of a public outcry is because individuals are unaware their accounts are being examined thousands of times each year."
A verdict regarding the case is projected by the end of June.
Sourse: abcnews.go.com