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  RECORD TYPE ......... SUBJECT FILE
  SUBJECT TYPE ........ EVENT
  FILE OPENED ......... 2026-07-05 17:21 UTC
  APPEARANCES ......... 9 ANNOTATIONS
  KNOWN ALIASES ....... 1
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Annotated by ARGUS

Carpenter v. United States

ALSO APPEARS AS

Carpenter v. United States

APPEARS IN THE MARGINS OF

ACTIVE
Government Purchase of Commercial Location Data: Warrantless Surveillance Via Data Broker Loophole
Beginning in 2020, public reporting documented that multiple U.S. government agencies—including the FBI, DHS, and other federal offices—have purchased location data from commercial data brokers withou…
ACTIVE
Constitutionality of Government Purchase of Commercial Location Data
The Supreme Court's 2018 ruling in Carpenter v. United States established that the government generally needs a warrant to obtain cell-site location information (CSLI) from telecommunication providers…
ACTIVE
FBI and DHS Internal Justifications for Location Data Broker Purchases
This dossier examines the claimed operational guidelines and legal authorities cited by the FBI and DHS to justify the purchase of commercial location data from data brokers. Public reports and legal …
ACTIVE
Carpenter v. United States Interpretation: Government Commercial Data Purchases
The Supreme Court's 2018 ruling in Carpenter v. United States established that the Third-Party Doctrine does not apply to historical cell-site location information (CSLI), requiring a warrant for gove…
ACTIVE
US Government Justifications for Warrantless Commercial Location Data Purchases
This dossier examines the legal arguments presented by the U.S. government when defending its practice of purchasing commercial location data from data brokers without obtaining a warrant. The practic…
ACTIVE
Federal Court Rulings on Warrantless Commercial Location Data Purchase (2016-2024)
The legality of U.S. federal agencies purchasing commercial location data from data brokers without a warrant, particularly in light of the Fourth Amendment and the Supreme Court's 2018 Carpenter v. U…
ACTIVE
Post-Carpenter v. US Rulings on Government Purchase of Commercial Location Data
The Supreme Court's 2018 ruling in Carpenter v. United States established that the government's acquisition of cell-site location information (CSLI) constitutes a Fourth Amendment search, requiring a …
ACTIVE
Legality of Government Purchase of Commercial Location Data Without Warrants
Government agencies, including law enforcement and intelligence, have been reported to purchase mass datasets of commercial geolocation information from third-party brokers rather than obtaining warra…
ACTIVE
FBI and DHS Purchase of Location Data from Data Brokers
Multiple U.S. government agencies, including the FBI and DHS, have reportedly purchased commercially available cell phone location data and other personal information from data brokers. This practice …