What criteria? The only requirement I'm aware of is having the free time to visit one of their offices for 5 minutes and have your thumbprint taken. I think I s

What criteria? The only requirement I'm aware of is having the free time to visit one of their offices for 5 minutes and have your thumbprint taken. I think I showed my passport and answered 1 or 2 questions about what I do for a living. I expected a much more invasive interrogation, but it was nearly nothing. Also no wait. In/out.