On a day when the world is watching out for a falling satellite that could impact anywhere, a small town in Wisconsin has already experienced this rare event.
Living in a rural area comes with its own set of challenges for emergency responders. Often, a Sheriff's deputy on patrol will arrive at the scene of a house fire before firefighters do.
They are in use by many law enforcement agencies and private entities across the country, but the ACLU says this technology is often "deployed with too few rules that is becoming a tool for mass routine location tracking and surveillance."