It's got to just be an idea right now. Nothing done with his hands. No trace of burns or chemicals are evident, not cuts or bruises. He hasn't been working with his hands.

[Because whatever he uses now, he'll have to assemble himself.

That's the one good thing about this place. The one small comfort. He wouldn't have help here, to put together his bombs and do his dirty work. He'll have to do the lion's share himself, and that will leave traces.]

I'm expecting a bomb.

But he might vary his methods.

[And then:]

Everything will point to me.