On December 20 1968 and July 4, 1969, two couples were ambushed and shot by an elusive serial killer in Vallejo, California. By August, the killer had begun sending boastful letters and weird ciphers to newspapers in the San Francisco Bay area. To this day the case of the self-proclaimed "Zodiac" remains officially unsolved. This inaugural episode chronicles his first known foray into murder in sleepy Vallejo... 20% off CBD products at BostonGreenHealth.com Promo Code: Case20 --- This episode is sponsored by · Anchor: The easiest way to make a podcast. https://anchor.fm/app