I heard that you need a biometric passport if you want to enter USA. However, my friend has a biometric passport, but no fingerprints in it. Is this enough? And how long has the passport to be valid? ...
Can immigration authorities make cross checks between multiple passports of the same (German) person?
I have the following specific case but it would be nice to have a general answer if one does exist: A fellow German traveler just spent 3 months in Turkey on his passport. He just then left to ...