Hm... for now, we'll have to do our best to try to catch him in the act.

[there's a slight pause, before she considers--]

I wonder... maybe we should also have someone observe the kitchen in the evenings and listen for any activity inside after it closes, since Kingmaker-san would need to visit it in order to restock supplies? [Or perhaps grab his own food once everyone's gone to sleep, though it's more likely that he has his own stash of food somewhere.]