The scientific expert Jim Corrigan is known for his women's conquests as well as his rubbish to sell or conceal the evidence of crime scenes he "cleans." He is now in the collimator of Inspectors Allen and Montoya, and this new affair risks closing one of the darkest chapters of Gotham's Major Crimes Unit in blood. Contains: Gotham Central Vol.4: corrupt (#32-40) + Detective Comics #770-772, 784