Two years ago we flew to New York. When we headed for customs, there was a security guard watching over the two lines for citizens and visitors. We walked immediately into the citizen line and the guard never said a word. He didn’t talk to any of the other people either.
But suddenly a family came down the aisle and the guard woke up and shouted, “CANADIANS! OVER THERE!” pointing to the visitors line.
How did he know? I didn’t see any maple leaves on their clothes. They weren’t drinking maple syrup.
I still wonder to this day what set him off.