this week on true crime tuesdays: the zodiac killer's reign of terror in the bay area growing up in antioch, this case hits close to home. from vallejo to san francisco, his cryptic ciphers and taunting letters haunted northern california. during my time living in santa barbara, i learned about a potential zodiac case in gaviota (a small town near santa barbara) - suggesting his reign of terror might have extended far beyond the bay area. watch now to uncover one of america's most notorious unsolved cases. #truecrime #zodiackiller #bayarea #truecrimetok #truecrimetuesdays #thisisthezodiacspeaking