Justin Bieber 's days of breezing in and out of the U.S. are over ... because we're told he will continue to be a target of U.S. Customs every time he comes back to the states. Customs searched his plane and then grilled him for hours , before letting him leave. Law enforcement sources tell us ... Custom's flagged Bieber because he's on a Homeland Security watch list for his 2 ongoing criminal cases.
Justin Bieber -- He'll Be Dogged Indefinitely By U.S. Customs
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