You would be surprised at how closely the US is monitored with radiation detectors. There's been more than a few false alarms with pets undergoing cancer treat

You would be surprised at how closely the US is monitored with radiation detectors. There's been more than a few false alarms with pets undergoing cancer treatment for example [1]. I wouldn't be surprised if nearly every square mile of the US was closely monitored now, let alone in a thousand years. > “Vehicle goes by at 70 miles per hour,” Giuliano told the crowd. “Agent is in the median, a good 80 feet away from the traffic. Signal went off and identified an isotope [in the passing car].” > “Turned out to be a cat with cancer that had undergone a radiological treatment three days earlier,” Giuliano said. [1] http://www.seattletimes.com/seattle-news/watch-out-youre-being-watched/ http://www.seattletimes.com/seattle-news/watch-out-youre-bei...