> They probably have computers on the outgoing checkpoint too. Does the US have outgoing checkpoints on its land borders? I thought you only dealt with the Can

> They probably have computers on the outgoing checkpoint too. Does the US have outgoing checkpoints on its land borders? I thought you only dealt with the Canadian/Mexican customs agents on your way out, and only dealt with US CBP on your way back in. (I haven't crossed a US land border since a road trip to Canada when I was a kid, so I could be very wrong.)