The Zodiac killer is one of the most elusive and unusual serial killers in American history. Known for his bizarre, rambling handwritten letters, the Zodiac sent baffling ciphers, quoted musical lyrics, taunted police, and threatened to shoot school children. Unlike most serial killers, the Zodiac called police to report his crimes and wore a hooded … Continue reading Zodiac Killer’s Reign of Terror In 22 Photos