Zodiac KillerMost high-concept serial killers are the product of a deranged Hollywood screenwriter, but the Zodiac Killer was the real deal. In a killing spree that started no later than 1968 and ended no earlier than 1972, the Zodiac Killer murdered at least seven people, but in letters to San Francisco newspapers and criminal attorney Melvin Belli, he claimed the total was much higher -- it was just that the
