This is the theory that I'd heard behind the strategy. Having not experienced it myself, I'm curious how it plays out in practice. It seems they have a high tru

This is the theory that I'd heard behind the strategy. Having not experienced it myself, I'm curious how it plays out in practice. It seems they have a high true positive rate and low false negative (i.e., properly suspecting people who should be suspected), but perhaps also a somewhat high false positive rate? This still would be favorable in my eyes to the security in America.