((By the way the wording on the skeleton key is a bit misleading; it actually opens any bedroom door but! We can discover that IC.))

[Susan will naturally head for Dave's room first. They need to ensure it's a skeleton key, anyway.]

Kaoru raised a good point before we left. That he would choose to take his signature weapon would be a rather stupid thing to do if he had no means of hiding it. It isn't if you can disguise a katana very well.