Wishes don't seem really helpful to the wisher. So if it was used in the murder, then it may have been the victim who made the wish.

[ Thankfully they don't have far to go because pawsies cabin is the first one.

Opening it up and heading over to his bunk to pull out the fanny pack from under his bed. Since Magnus is TOL he can probably see one of the top bunks is a complete hazard zone. The bed isn't made, there's half eaten snacks, wrappers, and balled up paper. ]