Batman #516 1995

In Batman #516, published by DC in March 1995, the Dark Knight begins his pursuit of a new and enigmatic serial killer known only as the Sleeper. This issue marks the first part of a two-part storyline, where Batman delves into a mystery involving a killer who commits murders with the twisted motive of preserving her own life. The narrative focuses on the initial investigation into the Sleeper's gruesome trail of corpses.