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Local US Law Enforcement Agencies Have Been Using an Obscure Cellphone Tracking Tool to Follow People’s Movements Months Back in Time Without a Warrant

News

Local US Law Enforcement Agencies Have Been Using an Obscure Cellphone Tracking Tool to Follow People’s Movements Months Back in Time Without a Warrant

* 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.” * Sold by Virginia-based Fog Data Science LLC, Fog Reveal has been used since at least 2018

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