JOKER HARLEY CRIMINAL SANITY SECRET FILES #1 DC COMICS 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 psychiatrist and behavior analyst Edward Kurz, MD, throughout the series to ensure the accuracy of the story and of Harley’s methodology. In this special issue, Dr. Kurz’s