Beckett: What are you doing? (Castle looking into Bobby's evidence bag) Castle: It's called investigating. You should try it. Beckett: I usually wait until there's a crime. Castle: Cell phone, money clip. Castle: He stuck a piece of gum to a paper before he put it in his pocket. Beckett: One of his last acts was not littering. Castle: Yes, but there's a word on this paper..."tory." Could be a mystery woman. Beckett: Wow, Castle. Cracking this case wide open.