> Short of opening and checking every single piece of mail, I doubt there’s much they can do. They can't do something like x-raying them? I'd imagine that wou

> Short of opening and checking every single piece of mail, I doubt there’s much they can do. They can't do something like x-raying them? I'd imagine that would be relatively easy (e.g. bubble pack with X pills, of a certain size, a certain distance apart), to the point where it could probably be automated.