Nightwing 80-Page Giant #1

Hella- She is Vengeance / Murder One / To Serve and Protect / Flashpoint
Years ago, the Riordan family were the backbone of the legitimate Bludhaven police force. When the mob hits them all, killing all but one, it's the end of an era in several ways. Now, the surviving Riordan is back and looking for revenge.
Release Date: 2000