Boarder control

A friend of mine works for UK Border control, a few years ago someone came through with a pot on their arm, a friendly chat was had along the lines of:

"Broken arm, bummer, what did you do?"

"It's not broken, I'm just smuggling drugs"

"ha ha"

"ha ha"

Later that day a pot was found abandoned in a bin on the way off the site. They no longer joke with anyone.