Is that the favor you were hoping to cash in on in the future? [It was clear that she was joking, a small smile lilting up one corner of her mouth.] I'll make sure my team knows that you're coming in but you're not a real suspect. And you can have your favor. But I'm going to insist on paying you if you keep giving me info.

[It was only fair. Favors went a long way, but there was really no substitute for being paid in full at the end of the day. She'd been there once or twice in her life.]