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Last Update: 10/27/2026 at 6:00 AM EST
Geofence Warrants and Location Privacy
Coverage from Scientific American, Chicago Tribune, and others
Geofence warrants ask technology companies for location records from devices detected in a particular area during a set time, potentially including people who are not suspects.
In Chatrie v. United States, a Virginia robbery investigation using Google location data led to a Supreme Court dispute over whether such access is a Fourth Amendment search and what warrant and probable-cause requirements apply. The case brings together constitutional privacy, investigative practices, and the responsibilities of companies holding location data. Its broader significance lies in how courts and providers handle requests that can expose patterns of people’s movements and associations.
Looking Back
164 Day Timeline
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History
10/03/2026
The current version adds that the ruling limits reliance on the third-party doctrine for cellphone location records held by technology companies. The decision’s core requirements and scope otherwise remain unchanged.
All Articles50 articles
Important
In Chatrie v. United States, the Supreme Court treated geofence warrants as Fourth Amendment searches on digital phone location histories, affecting police mass-surveillance tools in the United States.
7/1/2026 • Data Collection & Surveillance Practices • General
The U.S. Supreme Court recently restricted geofence warrants for accessing location data, prompting Louis Martinez to call for statutory safeguards nationwide.
7/31/2026 • Data Collection & Surveillance Practices • General
Supreme Court consideration of United States v. Chatrie addresses whether geofencing-based police requests for Google location data are Fourth Amendment searches.
4/25/2026 • Data Collection & Surveillance Practices • General
The US Supreme Court issued a ruling in 6-3 vote limiting law enforcement geofence warrants, affecting cell-phone location data requests from technology companies.
6/29/2026 • Regulation, Law & Enforcement • General
Supreme Court guidance on Google Location History as a Fourth Amendment search informs concerns about K-12 location tracking by EdTech and school tools.
7/14/2026 • Data Collection & Surveillance Practices • General
EPIC argues geofence warrants require Fourth Amendment warrants in Chatrie v United States; Supreme Court hearing scheduled in Washington DC in 2026.
3/4/2026 • Data Collection & Surveillance Practices • General
EFF, ACLU and Georgetown Law Center on Privacy filed a brief on Monday urging the Supreme Court to rule geofence warrants unconstitutional.
3/3/2026 • Data Collection & Surveillance Practices • General
ACLU and partners file amicus brief in Chatrie v United States challenging geofence warrants before the Supreme Court.
3/2/2026 • Data Collection & Surveillance Practices • General
The Supreme Court ruled police need warrants and probable cause to access phone location history through geofence warrants, requiring judicial authorization for third-party location data.
6/29/2026 • Regulation, Law & Enforcement • General
The U.S. Supreme Court ruled in a Virginia bank robbery case that law enforcement geofence searches of nearby phones require Fourth Amendment scrutiny.
7/28/2026 • Regulation, Law & Enforcement • General
Supreme Court in 2026 ruled geofence warrants compelling Google to identify phones based on Location History constitute Fourth Amendment searches.
7/16/2026 • Regulation, Law & Enforcement • General
The U.S. Supreme Court ruled on June 29, 2026 that law enforcement needs warrants, supported by probable cause, to access smartphone location history via geofence warrants.
7/10/2026 • Regulation, Law & Enforcement • General
Chatrie v. United States, decided by the Supreme Court in the United States, required geofence location record requests to satisfy Fourth Amendment reasonableness.
7/7/2026 • Regulation, Law & Enforcement • General
U.S. Supreme Court action on June 29, 2026 in Okello Chatrie limits Fourth Amendment treatment of geofence-derived cellphone location data.
7/6/2026 • Regulation, Law & Enforcement • General
Supreme Court on June 29, 2026 ruled geofence searches using Google cell location records are Fourth Amendment searches and remanded Chatrie v. United States for warrant compliance review.
7/5/2026 • Regulation, Law & Enforcement • General
U.S. Supreme Court limited geofence warrants and remanded for Fourth Amendment reasonableness analysis after finding privacy expectations in cell location records held by tech companies.
7/4/2026 • Regulation, Law & Enforcement • General
Supreme Court ruled 6-3 that constitutional privacy protections cover cellphone location information, affecting geofence warrant use after a May 2019 Virginia bank robbery.
7/1/2026 • Regulation, Law & Enforcement • General
On June 29, 2026, the U.S. Supreme Court ruled that geofence warrants compelling Google cellphone location history are Fourth Amendment searches, vacating a conviction and remanding warrant-particularity issues.
7/1/2026 • Regulation, Law & Enforcement • General
Supreme Court ruled that geofence warrant access to phone location history is a Fourth Amendment search requiring probable cause in Chatrie v. United States.
6/30/2026 • Regulation, Law & Enforcement • General
The Supreme Court ruled that constitutional privacy protections extend to cellphone location information used with geofence warrants in a bank robbery case in Midlothian, Virginia.
6/30/2026 • Regulation, Law & Enforcement • General
Supreme Court ruled in Chatrie v. United States that geofence searches for cellphone location data near a Virginia crime scene require Fourth Amendment compliance and remanded for warrant review.
6/30/2026 • Regulation, Law & Enforcement • General
U.S. Supreme Court ruled that geofence warrants seeking cellphone location data are Fourth Amendment searches and remanded the Okello Chatrie case in 2020s terms.
6/29/2026 • Regulation, Law & Enforcement • General
The Supreme Court issued Chatrie v. United States in Washington on warrant requirements for government access to individuals location history.
6/29/2026 • Regulation, Law & Enforcement • General
In Chatrie v. United States, the U.S. Supreme Court ruled that geofence warrants targeting Google Location History data are Fourth Amendment searches.
6/29/2026 • Regulation, Law & Enforcement • General
U.S. Supreme Court ruled that cellphone location information falls under constitutional privacy protections in a geofence warrant case tied to a bank robbery.
6/29/2026 • Regulation, Law & Enforcement • General
The U.S. Supreme Court ruled in 2020s-era Fourth Amendment case coverage that geofence searches using Google location history require constitutional limits on government mobility surveillance.
6/29/2026 • Regulation, Law & Enforcement • General
Supreme Court justices consider whether geofence warrants using Google location history violate the Fourth Amendment in the case of Okello Chatrie.
4/30/2026 • Regulation, Law & Enforcement • General
U.S. Supreme Court review in 2026 addresses whether geofence warrants requesting Google location data from millions of people are Fourth Amendment searches.
4/27/2026 • Regulation, Law & Enforcement • General
US Supreme Court ruled Chatrie v. United States requires Fourth Amendment warrants to obtain Google Location History via geofence warrants after police location acquisition around a robbery.
6/29/2026 • Regulation, Law & Enforcement • General
On August 5, 2026, U.S. District Judge Carlton Reeves in Mississippi ruled that federal tower dump warrants violate constitutional search requirements because they collect broad cellular location records without individualized probable cause.
8/12/2026 • Regulation, Law & Enforcement • General
In a recent US Supreme Court ruling, justices required probable cause for government access to Google location data sought during a Virginia bank robbery investigation.
7/29/2026 • Regulation, Law & Enforcement • General
U.S. Supreme Court ruled in Chatrie v. United States that geofence warrants seeking cellphone location data are Fourth Amendment searches.
7/9/2026 • Regulation, Law & Enforcement • General
US Supreme Court ruled constitutional privacy protections cover cellphone location information in a Virginia geofence warrant case involving bank robbery evidence.
6/30/2026 • Regulation, Law & Enforcement • General
The Supreme Court on June 2020s terms restricted geofence warrants for cellphone location data, requiring narrowly tailored Fourth Amendment warrants.
6/29/2026 • Regulation, Law & Enforcement • General
The Supreme Court ruled in a remanded case involving Okello Chatrie that police geofence requests for phone location history from Google require a Fourth Amendment warrant.
6/29/2026 • Regulation, Law & Enforcement • General
The US Supreme Court ruled in Chatrie v. United States that law enforcement must use a probable-cause warrant for geofence searches of cellphone location data.
6/29/2026 • Regulation, Law & Enforcement • General
The U.S. Supreme Court ruled in 6-3 fashion that geofence warrants require probable cause because cellphone location data carries a reasonable expectation of privacy.
6/29/2026 • Regulation, Law & Enforcement • General
Supreme Court issued a decision in 2020s overturning warrant boundaries for geofence warrants that access cell phone location history, remanding Chatrie9 case to the Fourth Circuit.
6/29/2026 • Regulation, Law & Enforcement • General
Supreme Court justices heard Chatrie v. United States, addressing whether geofence warrants can compel Google to disclose mobile location data for bank robbery investigations.
4/28/2026 • Regulation, Law & Enforcement • General
Supreme Court hears Chatrie v. United States arguments on whether geofence warrants for Google location data are overbroad under the Fourth Amendment.
4/28/2026 • Regulation, Law & Enforcement • General
Supreme Court oral arguments in Chatrie v. United States signaled that geofence cell-phone location searches likely require Fourth Amendment warrants and narrow limits.
4/27/2026 • Regulation, Law & Enforcement • General
In June, the US Supreme Court held that warrants are required for law enforcement access to smartphone location data, expanding Fourth Amendment privacy protections.
7/20/2026 • Regulation, Law & Enforcement • General
The Supreme Court in Chatrie v. United States ruled on June 29 that geofence-driven analysis of Google cellphone Location History data is a Fourth Amendment search.
7/8/2026 • Regulation, Law & Enforcement • General
U.S. Supreme Court ruled that police geofence warrants obtaining digital location history trigger Fourth Amendment search review, remanding reasonableness questions to the Fourth Circuit.
6/29/2026 • Regulation, Law & Enforcement • General
The U.S. Supreme Court ruled that constitutional privacy protections cover cellphone location information used in geofence warrant investigations tied to Google location history.
6/29/2026 • Regulation, Law & Enforcement • General
ACLU commentary criticizes geofence warrants in the United States for compelling Google to disclose broad cell-phone location data and enabling further investigation with limited oversight.
7/1/2026 • Data Collection & Surveillance Practices • General
Interesting
U.S. Supreme Court limited historical geofence location searches in Chatrie v. United States, requiring probable cause search warrants for location data held by phone services.
6/29/2026 • Regulation, Law & Enforcement • General
The United States Supreme Court will hear Chatrie v. United States on whether geofence warrants overreach Fourth Amendment protections for digital location data.
4/24/2026 • Regulation, Law & Enforcement • General
Supreme Court to decide if geofence warrants satisfy Fourth Amendment protections in the United States this term
3/16/2026 • Regulation, Law & Enforcement • General
The Supreme Court ruled in Chatrie v. United States that Fourth Amendment protections apply to phone location data gathered through geofence warrants in a 2019 Virginia investigation.
7/2/2026 • Regulation, Law & Enforcement • General