Cellphone-Tracking Tool Offers Police 'Mass Surveillance on

Local law enforcement agencies from suburban Southern California to rural North Carolina have been using an obscure cellphone-tracking tool, at times without search warrants, that empowers them to follow people's movements months back in time.

Related Keywords

New York , United States , Arkansas , North Carolina , Missouri , Texas , Washington , Rockingham County , Florida , California , Virginia , San Francisco , New Jersey , Leesburg , Criminal Division , Nebraska , Anaheim , Iowa , Ohio , Dallas , Chicago , Illinois , Americans , Kevin Suthard , Melinda Gutierrez , Davin Hall , Robert Liscouski , Georgew Bush , Matthew Broderick , John Bedell , Elena Russo , Ben Renick , Megan Adams , Jose Moreno , Kevin Metcalf , Michael Price , Justin Parker , Dallas Police Department , Iowa Department Of Public Safety , Venntel Inc , Data Science , Facebook , Homeland Security Operations Center , Area Security Initiative , Department Of Homeland Security , Us Marshals Service , Maryland State Police , Supreme Court , Starbucks , Enforcement Division , Ap National Writer Alleng Breed , National Child Protection Task , National Fusion Center Association , Police Department , Chicago Police Department , Federal Trade Commission , Fourth Amendment , Fog Reveal , California Highway Patrol , Law Enforcement , Washington County , National Child Protection Task Force , Sydney Sutherland , Customs Enforcement , Homeland Security , Border Protection , Fog Data Science , National Cyber Security Division , Hurricane Katrina , Missouri State Highway Patrol , Iowa Department , Public Safety , Criminal Enforcement Division , National Association , Criminal Defense Lawyer Fourth Amendment , Writer Allen ,