idk, the existence of the tsa and their wandering hands has kept me from traveling p well, at least by plane

This is going to be more security theatre if it is anything.

Exactly. There’s a lot of opportunities for private profits from security theatre.

A more likely option could be implementing those plate scanners for toll roads. Scan people going through pre-check lane, follow up on unauthorised vehicles. Everyone else queues up to answer questions, be pulled aside for further inspection such as at a border gate.