"Before." The when doesn't matter much when they're so far from the where. And anyway, if he's not going to answer her question, she doesn't feel like volunteering too much information herself. She lets the word hang for a moment before she says, "If they show you where it is, maybe you could tell me."

She doesn't want him to have to break any rules on her account--they don't know each other beyond "another outsider"--but it can't hurt to mention something like a location to her.