(W) Cecil Castellucci (A) Robbi Rodriguez (CA) Giuseppe Camuncoli. "The Last Joke" part two: in the finale of this killer two-part tale* Babs traces the Batgirl-obsessed redhead murders back to their source and realizes the real culprit is...closer than she expected! Will James Gordon Jr. step up to the plate and prove his new loyalty to his sister by taking out the killer?