I've brought mini clusters of bare Pis many times before (and other strange contraptions with jumper wires all around), and the only time I was ever stopped for

I've brought mini clusters of bare Pis many times before (and other strange contraptions with jumper wires all around), and the only time I was ever stopped for a deeper search was when I left my x-ray shielding bag for film in the same case with the mini cluster.