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 gives them the power
Police have used “Fog Reveal” to search hundreds of billions of records from 250 million mobile devices, and harnessed the data to create location analyses known among law enforcement as “patterns of life,” according to thousands of pages of records about the company.
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 gives them the power
The data broker selling people’s location data to any local, state, and federal agency willing to buy it is putting our Fourth Amendment rights at risk. EFF recently published its investigation into Fog Data Science, which claims in marketing materials sent to law enforcement that it has billions of location data points taken from millions of people’s cell phones that can be