3 ms·Why must you give them ideas?by navs 9y agoWhy must you give them ideas?mtgx 9y agoYou joke, but I believe police in the US is already installing advanced microphones along with CCTV cameras to hear what people are talking about from a distance.dvtv75 9y agoI think there was something about gait analysis, too, just in case bad guys started wearing disguises.