Man, I really hope they get that figured out for you, and catch whoever took the other badge. It's odd that they'd open it up and take just one--kind of makes me wonder if it's not someone that was planning to actually use it to go to the con, instead of selling it (otherwise, why only steal one? and why open that specific package, unless they noticed it was from Otakorp and guessed what was in it?).
Maybe this is a long shot, but does Otakorp have any way of matching badges to attendees? Like, are the names on the pre-mailed badges already printed on the badges, or do they just have a bla