I'm a federal immigration officer here in Canada, so we see a fair number of these genetic marvels after you good folk offload them. Case in point:
Me: Have you ever been arrested anywhere in the world?
Pax: What? Oh yeah, it's a funny story - I got arrested twice on the
same day for possession of marijuana!
Me: (failing to see humour in story) Okay...how much marijuana did
you have in your possession?
Pax: You mean how much marijuana do I have on me right now?
Me: Let's go speak to my friends in Customs and their nice doggy....
(insert handcuff sound here)