> If they're using the same passport number as before, CBP likely also has access to a computerized record of the previous interaction.
(They might also be able to search their database by biographical details such as date of birth, so getting a different passport may not prevent them from guessing that you're the same person.)
(They might also be able to search their database by biographical details such as date of birth, so getting a different passport may not prevent them from guessing that you're the same person.)