00:00California late 1960s something terrifying was happening on the quiet roads outside San Francisco
00:08a string of attacks left investigators with almost nothing to work with no fingerprints
00:15no clear description just a growing fear spreading across the bay area
00:21weeks passed the case seemed to be going cold until a letter changed everything
00:28it was typed signed with a strange symbol and hidden inside it was something unexpected
00:35a code the letter was mailed straight to a newspaper and it would be the first of many
00:43he called it a cipher and claimed that if anyone could solve it they would discover exactly who he
00:50was the city read every word and amateur code breakers across the country began trying to
00:58crack his message the headlines gave him a name the cipher killer within weeks the fear had spread far
01:07beyond the places where the attacks happened police had a nickname for him they had clues but they still
01:15didn't have a face and this was only the beginning follow for part two