Is there even an option at the airport to refuse face scanning? I assume that signs you up for a one way trip to a cavity search.
TSA does it, Customs does it when entering the USA after a trip too.
TSA does it, Customs does it when entering the USA after a trip too.
You can always say "I decline the photo verification", and they will check your license like back in the old days. This is what I have been doing for years now.