If you are a naturalized US citizen the government has your biometrics already, you can't become a citizen without giving them up.
If you are a natural born citizen and have a passport the government has your picture. If not, there's the one in your driver's license. If not, a Google/Facebook search might dig one up.
So if you don't have a passport, or DL, or social media presence at all then I agree, don't sign up for Global Entry. But otherwise...
If you are a natural born citizen and have a passport the government has your picture. If not, there's the one in your driver's license. If not, a Google/Facebook search might dig one up.
So if you don't have a passport, or DL, or social media presence at all then I agree, don't sign up for Global Entry. But otherwise...