You can never tell about US Customs.
On my return to the US from Canada, they confiscated a can of Hormel Corned Beef originally purchased in the US. Of course, the meat was originally canned in Breazil or Argentina. On the other hand, it was about lunchtime. :)
Alex
Nobody has a more sacred obligation to obey the law than those who make the law. -- Sophocles (496? - 406 BCE)