June 25, 2018
On Friday, the Supreme Court issued a long-awaited opinion in Carpenter v. United States. The Court held that when law enforcement obtains long-term cell site location information from a suspect’s […]
January 29, 2018
The Court of Appeals of North Carolina recently decided a case about police obtaining real-time location information from a suspect’s cellular service provider. The case does not address the principal […]
September 25, 2017
In June, the United States Supreme Court granted certiorari in Carpenter v. United States (No. 16-402) (docket here), a case involving the intersection of technology and the Fourth Amendment and […]
September 20, 2017
It’s not Thursday, but I’m going to throw it back a few years to 2014. Like the rest of the nerds I know, I became obsessed that year with the […]
September 21, 2015
Last week, the court of appeals decided State v. Perry. It’s the appellate division’s first foray into cell site location information and a case that raises questions about the status […]
May 7, 2015
On Tuesday, the Eleventh Circuit ruled, en banc, that law enforcement may obtain historical cell site location information without a search warrant, using a court order based on less than […]
October 22, 2014
This weekend, the Charlotte Observer ran this article, entitled Charlotte Police Investigators Secretly Track Cellphones. The article concerns the use of so-called stingrays, also known as IMSI catchers or cell […]
August 1, 2013
I wrote here about how law enforcement officers may obtain historical information about the location of a suspect’s cellular phone. There have been several developments in the law since then, […]
September 30, 2010
I’ve had several questions lately about the authority of law enforcement to track a suspect by obtaining information about contacts between the suspect’s cellular telephone and cellular towers. I’m also […]