This sort of capability is most useful for off the books surveillance. So no warrant required. Any parallel construction happens later. If you know what your ta

This sort of capability is most useful for off the books surveillance. So no warrant required. Any parallel construction happens later. If you know what your targets are doing in detail then you can just get very lucky. As in: We randomly pulled over this car for a routine traffic stop. Imagine our surprise when we discovered that the car was full of the evidence of a serious crime!