Not that he has a choice in the matter.
Because Janus knows two New York Cities. There's the one with Facebook, The Tonight Show and iPods. And there's the one he enters through the mirror, the one with genetic supermen, skyscraper canons, and a certain subatomic particle that's misbehaving...
And when McIlwraith takes on the case of the rich boy whose brutalized corpse is found in a dumpster, he little realizes how deep the case will cut―right to his very core, to the place where, like this city, his own soul is split in two.