There’s over 20 letters that the Zodiac Killer wrote during his spree in the late 1990’s. The Zodiac Killer was an anonymous serial killer active from 1968 to 1969. In the cold case of the Zodiac Killer, there was more than one person claiming to be the killer because the original letters were unique, investigators used handwriting analysis to examine the letters and the new letters didn’t have any mention of astrology. In the case of the Zodiac Killer, the original zodiac letters were extremely unique, unlike the letters written in later years. For example, in his letters he would replace mostly vowels with symbols, but he would sometimes use different symbols for the same vowel. Campbell 1. What gave the Zodiac Killer his name was that in the letters there were astronomical references with …show more content…
To sum this all up, it would be a difficult task to replicate these letters. Investigators used handwriting analysis to examine the letters They solved the original letters by assuming some of the letters or symbols spelt out “kill” or “killing.” Another useful hint was the misspelling of paradise, spelt “paradice,” by the Zodiac Killer. It was a helpful clue to identify and confirm that all of the letters were the same person. Campbell 1. Since there were misspellings on the original letters, it made it easier to link the letters together to the same person. There were other clues besides just the misspelling, but that was a huge key factor. In conclusion, it was because of the lack of spelling skills they were able to connect the letters to the original gunman. The new letters are nothing similar to the original. This point was proven by just looking at the letters alone, since there was no mention of astrological references. Sullivan 1. Because the original letters surrounded astronomy, it was strange the new ones had nothing to do with it. There were no details that only the attacker would