Two sadistic crimes that were the stuff of nightmares. Two reigns of terror over California. Two of the most notorious cases in history left unsolved for more than half a century. But now, after all this time, one suspected killer unmasked. In a world exclusive, the Daily Mail can reveal that a new investigation has concluded that the Zodiac killer and the murderer of the Black Dahlia were the same man. Read the full investigation at DailyMail.com #news #crime #truecrime #zodiac #blackdahlia