This is the story Shillelagh (or I should say his giggling fit) woke me up with.
The site he got it from:
http://entertainment.slashdot.org/artic ... 04/1456240
An article I found that goes a little more in-depth:
http://www.thedenverchannel.com/news/18 ... ail.html#-
I'm impressd that the clerks were able to identify the weapon.