Apparently they have a "constitution free" zone which extends a couple hundred miles inland from the borders, at least in the south...
One thing I read they look for is if you have any copyrighted material on your phone or computers...
while BAILs of dope go flying by them
I know one example of a US cottager friend of mine coming north: they stopped him with a load of new furniture for his cottage which he had bought on sale, and made him pay the balance of taxes up from the sale price to the regular selling price of the goods...
like WTF! Muslim terrorists, or mexican immigrants?
yeah right