I'll clarify. When I answered the question earlier, it was on a random basis or targeted basis at the entrance of the port. I'm not aware of many verifications by customs or the CBSA.
They do, however, inspect containers when they've been declared, when they've been spotted or when whatever system they use guides them to inspect a container. They do open containers on a regular basis in a port, but whether it's for cars or drugs, we don't know. They put aside a certain number of containers each and every day, and they do the inspection on them.