Originally Posted by
pmocek
Doing so just allows you through with less scrutiny. As long as you're not carrying any weapons, explosives, or incendiaries, you should be fine. If you want to sneak any of those through, you're going to be way better off if you show some documentation of your identity.
I guess one is better off presenting an ID at a checkpoint if one wishes to bring contraband through the checkpoint; what irony!