https://www.techdirt.com/articles/20170829/08313038099/federal-court-says-warrants-are-needed-stingray-deployment.shtml

A federal court in Oakland, California has come to a conclusion the DOJ definitely didn't want it to reach, as Cyrus Farivar reports for Ars Technica.

In the 39-page ruling, US District Judge Phyllis Hamilton notably found that the use of stingray to find a man named Purvis Ellis was a "search" under the Fourth Amendment—and therefore required a warrant.