Unmasking the Zodiac Killer

The Zodiac killer was our modern day Jack the Ripper. Both maintained a small circle in which they chose to kill, and both only have a very small agreed upon number of victims (JTR has 5 Zodiac has 5 fatalities and 2 seriously injured). The Zodiac himself claimed 37 plus victims; and how he communicated with the investigators and the newspapers of the late 1960s/early 70s was what really set the Zodiac apart from all of the other usual slice and dice killers of his day; the cryptograms; the h...