It's a form of running gag-the dude is evidently addicted to it. She then adds that the joke will work far better when her person buddies inform it.
While trying to rob Carmine Falcone, she gets rescued by Batman but is irked of becoming considered of as his sidekick by the media.
Pointed in the path of Dennis Miller, a convicted pedophile who was the primary suspect in her disappearance, Ray waterboards him till he admits he murdered her and stashed the body in a prepare tunnel.
In a later on episode, Pip Bin capsizes a ship whilst its crew are all on board, and the narration confirms that no-1 but Bin escapes alive. Tenth Doctor: There are rules of time.