"That's paranoid of you." And not a bad thought. Even if that's not the reasoning behind it, it isn't a bad one. It's why he's collecting all these little pebbles and shells to make offerings with. If someone here died in a way that exposes them as particularly cruel or unjust, a physical or emotional threat to others, then he wants to know about it.

"But then wouldn't that person have to show themselves to take advantage of this? And throwing all our secrets wide open to everyone - if there's someone who's done something wrong enough to warrant it, they're going to be torn apart. Or worse, there will be those who side with them, and then we'll be fighting each other."