Originally Posted by Bealzebub
You may have just gotton off a flight, but it wasn't one that the TSA had any operational control over
Originally Posted by Peter47
You would think that you could get agreements between different countries to recognise each other's security
It's nothing specifically to do with TSA control or trust. Passengers have been in a non-sterile area (baggage hall) so they need to be re-screened to pass through the sterile area. Simple as that.