A Police Gadget Tracks Phones? Shhh! It’s Secret Prison Planet.com Posted on March 16, 2015 Posted in Aggregated No Comments Tagged with Prison Planet NY Times | A powerful new surveillance tool being adopted by police departments across the country comes with an unusual requirement. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email