Written by Greg Rucka, art by Kano and Stefano Gaudiano, cover by Sean Phillips. A hero has fallen in the line of duty, and the perpetrator wears blue! Corrupt cop Jim Corrigan has committed the ultimate crime to escape justice. Now an outraged GCPD is coming after him! Meanwhile, Montoya's world continues to unravel, Maggie Sawyer must make the call that every police captain fears, and Gotham grows just a little bit darker.