[Ralph knows that he's going to be punished and that he's not gonna be let off easy, so trying to get off the hook doesn't even occur to him. He just wants his side of the story to be known, but nobody ever listens to him.

If he wasn't being held so tightly, he'd throw his arms up in frustration.]

Why would I wanna steal their stuff? I've got almost no use for it! Where would I put it, anyway? You said yourself that I live in the dump. You can take a good look around it if you'd like, but you aren't gonna find anything but garbage.