“Materials obtained by 404 Media shed new light on how the surveillance tools Tangles and Webloc from a company called Penlink can provide information to ICE agents after the agency contracted for the services in September. The social-media and phone-surveillance platforms can be used to monitor neighborhoods or city blocks for mobile phones and track the devices over time, potentially revealing where people live, work, and visit. Penlink purchases vast troves of commercial location data to augment and expand the dragnet.”
—from WIRED magazine
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