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My Name Is Letter
On April 20, 1970, the Zodiac Killer sent a one-page letter to the San Francisco Chronicle that contained a 13 character cipher claiming to be his name. In addition, he included a diagram of a bomb, with solar powered detonator, that he claims was planned to be strategically placed to blow up school buses. He states he abandoned his plans because of the excessive rain they received in the area. This letter sent shockwaves of fear throughout the entire Bay Area, as he increases his threats toward children.
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