Fearless cop Dick Grayson is the Dark Knight's right hand, and behind his own mask, he's the vigilante Nightwing. Join Dick as things get out of hand with the police department in Nightwing: Supercop by Devin Grayson Vol. 1. Bl dhaven's few good cops go bad as a super-steroid rampages through their systems. Nightwing goes from protecting the police force from the 'Haven to protecting the 'Haven from the police. Nightwing scrambles to find the source of a madness that's gripping the Bl dhaven Police Department. But Bl dhaven's Finest aren't just lapsing into a murderous mania--they're also exhibiting superhuman strength and speed Nightwing may not be able to handle this chaotic mess alone, but whom can he call on? Find all the answers in Nightwing: Supercop by Devin Grayson Vol. 1. Collects Nightwing #71-83.