>>712862759it's effectively an impossible task due to the sheer volume of traffic they have to process
if someone manages to disguise something enough to not show up on metal detectors that's really all it takes; they don't check anything that doesn't show up on the machine partly because they don't have time
that said, you will get harassed over innocuous shit like an electronic that just looks like of weird on the xray and all the agents i've dealt with seem to be perpetually pissed off