Issue: #516
Last valuation update: 2022-08-01
A trail of corpses sends the Dark Knight in pursuit of the serial killer known as the Sleeper...who is committing murder in order to save her own life.Batman investigated a series of murders in which the victim ended up without its heart, but it appeared they stopped beating before foul play was involved. He found a pattern in the victims and awaited the killer at the next scene. He wasn't quick e...
First appearances: Mortimer Gunt
Creators: Adrienne Roy, Dennis O'Neil, Doug Moench, Kelley Jones, Todd Klein, John Beatty
Characters: Batman, Harvey Bullock, Jean-Paul Valley, James Gordon, Stan Kitch, Mortimer Gunt, Mackenzie Bock