In Chino, CA, police used Fog Data Science’s geolocation service to do massive sweeps revealing who was near minor theft and burglary scenes. In a rural Missouri murder investigation, Fog’s service was used to track a babysitter who was never a suspect. In Greensboro, NC, a crime analysis supervisor raised red flags about its constitutionality and later quit after his warnings were ignored. And in all these places and many more, police never seemed to set any rules for when and how this m...
