Nightwing, Vol. 2 #66 (2002)

Bruce Wayne: Murderer? - Part Nine: The Unusual Suspects
While Bruce is in prison, and apparently set on doing nothing in his own defense, Nightwing is spending more time in Gotham to help Oracle get a better picture of Vesper Fairchild's murder. As they run down Bruce's enemies who know that he's secretly Batman, Dick checks up on some of his recent adversaries in Gotham. All the while, Bludhaven's prison burns.
Release Date: 2002