Originally Posted by chollie

You probably missed it when a TSA team went to a railway station (not a huge one). All arriving pax were diverted from going directly to their cars. They were forced to enter the station ('sterile area') and undergo a full bag and body check before being allowed to proceed. Please note: these were pax who had arrived at their final destination and they did not have to go through the sterile area to reach ground transportation. They were forced to go that way.