Cellphone Data Privacy
Supreme Court Rules Police Need Warrants for Cellphone Location Data, Bolstering Privacy
The Supreme Court ruled 6-3 on June 29, 2026 that police must comply with the Fourth Amendment before accessing your cellphone's stored location history from companies like Google. WBTV reported that the decision means geofence warrants — tools that scoop up location data from every phone in a given area — now require constitutional justification. It is one of the biggest digital privacy rulings in years.
The case, *Chatrie v. United States*, grew out of a 2019 bank robbery in Virginia. Police used a Google geofence warrant to identify suspect Okello Chatrie after stealing roughly $195,000 from a credit union. WOWT reported the court's ruling vacated the lower court's decision but stopped short of throwing out Chatrie's conviction — sending the case back to a lower court.
How a Virginia Bank Robbery Reached the Supreme Court
On May 20, 2019, an armed robber took $195,000 from the Call Federal Credit Union in Midlothian, Virginia. Surveillance footage showed the suspect using a cellphone near a church next door. Traditional detective work turned up nothing. So investigators got a geofence warrant — a court order demanding that Google identify every phone inside a 150-meter virtual boundary during the robbery.
Google handed over anonymized data on 19 users in the first step of a three-stage process. Police then narrowed that list down to Chatrie. A federal judge found the warrant violated the Fourth Amendment but let the evidence in anyway under the "good-faith exception" — meaning officers believed they were acting legally. The case climbed through the courts for years before the Supreme Court agreed to hear it in January 2026.
What the 6-3 Ruling Actually Says — and Doesn't Say
Justice Elena Kagan wrote the majority opinion, joined by Chief Justice Roberts and Justices Sotomayor, Kavanaugh, and Jackson. She wrote that "an individual has a reasonable expectation of privacy in records about his cell phone's location." That means getting that data from Google counts as a "search" under the Fourth Amendment. Police need to satisfy constitutional rules before a judge signs off.
Critically, the ruling does not ban geofence warrants. Law enforcement can still use them — but must now show probable cause and describe the search narrowly. The court did not decide whether the specific warrant used against Chatrie was valid. That question goes back to the Fourth Circuit Court of Appeals. WBBJTV noted the case does not yet settle Chatrie's guilt or his sentence.
Justices Disagree Sharply on the 'Third-Party Doctrine'
Justice Samuel Alito led the dissent, joined by Justices Thomas and Barrett. He argued that because users voluntarily turned on Google Location History, they gave up their privacy rights under the long-standing "third-party doctrine." He also noted the tracking lasted only about two hours — too short, in his view, to be a constitutional violation. Alito warned the ruling could slow down investigations into violent crimes.
Justice Neil Gorsuch agreed with the outcome but wrote separately. He argued the court should protect location data as personal property rather than rely on the "reasonable expectation of privacy" test, which he called too easy to manipulate. The split reflects a deeper debate about how 18th-century constitutional language should apply to 21st-century surveillance tools.
Privacy Groups Cheer, But Google Already Changed Its System
The ACLU called the ruling a "victory for the digital age." Brett Max Kaufman, ACLU Senior Counsel, said the court "forcefully rejected the government's argument that law enforcement can request our location data free of any Fourth Amendment limitation." Google received more than 11,000 geofence warrants in 2020 alone, up from just 982 in 2018, according to data cited in Justice Kagan's opinion.
There is a practical twist, though. In late 2023 and 2024, Google moved Location History storage off its servers and onto users' devices by default. That change may make new geofence warrants for Google data technically useless — there may be no data left on Google's end to hand over. Legal experts say the ruling still matters because it covers other apps and data brokers that store similar information in the cloud, including fitness trackers and period-tracking apps. KWCH reported the decision is expected to shape digital privacy law for years to come.
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