Originally Posted by
Boggie Dog
Isn't that exactly what happens at the inland checkpoints CBP has setup along some interstate highways? That sure is my recollection.
That is the court-legislated legal purpose. I think the words are something like "brief stop to determine citizenship status." This does not include running the drug dog around your car during this "brief stop" but they do it anyway because nobody has the fortitude or the Constitutional ethics to tell them to stop.