Originally Posted by Eric Westby

It won't be the same process, because it won't involve CBP, but simply TSA. It will by necessity be less intrusive, because they won't have to take into account the possibility that you might sneak something through customs, but simply whether you're a threat to safety. That's a much smaller percentage of people.

As a concrete example, my partner and I were quickly approved for Clear but both denied Global Entry. Still can't figure out why, as neither of us has ever had the slightest run-in with the law or CBP, but that's covered in another thread. I fly maybe 20 times a year, but I loathe security lines and will gladly pony up the $85.