That in last rush down he held an underwear high and explained he was going to wash it. Later in a newspaper article, a lawyer said it was fascist to use infra-scanner in surveillance. So I know the instrument name. And it is so sensitive that they can use it to discover corpse buried under ground from helicoptor. If it turns on people, then clothes mean nothing.
People become nude.
The strange thing is,in a country which is so emphasized on privacy, almost nobody mention it. Media rarely talk about it. Most people even don't know it. Outwardly, U.S. is a democratic country. Inside, it is tightly controlled by secret police.