Joker/Harley: Criminal Sanity - Secret Files — DC Comics
Issue: #1
Harley Quinn is hunting two serial killers: The Joker, a brutal psychopath who murdered her roommate and disappeared years ago, and the unidentified killer currently terrorizing Gotham City.In this one-shot, see pieces of the puzzle on Harley’s investigation board and steal a glimpse into John Kelly’s high school notebook-a book he still carries today. Kami Garcia has been consulting forensic psyc...
Creators: Tyler Smith, Kristy Quinn, Cat Staggs, David Mack, Megen Bellersen, Edward Kurz, Annette Kwok, Kami Garcia, Mico Suayan, Jason Badower, Richard Starkings, Mike Mayhew
Characters: Joker, Harley Quinn, Ragman