All the letters,cards and ciphers, although do not directly reveal the killers identity, it is inevitable due to his copious correspondence that he will have left indirect clues to the driving force behind his actions, personality and the significance of his addiction to time and dates.
Why did the killer choose particular dates to commit his crimes and where did he draw his inspiration or indeed were they just random events not selected for any reason, other than a compunction to kill.
Here we will examine the reasoning behind the dates and the possibility that one of the high profile suspects in the Zodiac case could be a candidate for the murders of at least 12 people between December 20th 1968 and October 25th 1970, bearing in mind the Zodiac was claiming 13 victims at this point in time.
As I have stated in previous articles the Zodiac Killer appeared to be constructing his agenda based around the 13 moon calendar, all encompassing his fascination with dates,time and astrology.
It is quite remarkable that the dates of his first four confirmed attacks and five murders all fall on the first day of the week on the 13 moon calendar, at odds of 2401 to 1, but even more unusual is that other crimes bearing strong Zodiac hallmarks between these dates virtually all fall on the first day of the 13 moon calendar week including the Hood/Garcia murders on February 21st 1970, the disappearance / murder of Judith Hakari on March 7th 1970 and Nancy Bennallack on October 25th 1970, the Sleeping Bag Murders of Thomas Dolan and Homer
As stated on many Zodiac discussion forums the killer had leanings towards astrology, moon phases, the Mikado and Charlie Chan where many believe is where he drew his inspiration for the name Zodiac, based on the 1939 film Treasure Island.
The Little List Letter was sent by the killer on July 26th 1970 and was the clearest indication yet the Zodiac was structuring his crimes by dates and this particular letter was the key to his identity, based around the Mikado.
The Little List Letter was mailed on the first day in the 13 moon calendar week and incidentally the date, July 26th , marks the beginning of the astrological 13 moon calendar, unlike the Gregorian Calendar that begins on January 1st.
The Mikado, portraying death and cruelty is the main focus of the letter with Zodiac's little list beginning on December 20th 1968, but key to the riddle is March 14th, the date that the Mikado began, when it opened to the public on March 14th 1885. This date also falls on the first day of the week within the 13 moon calendar.
The Charlie Chan books were also first serialized by the Saturday Evening Post on January 24th 1925, which would thrust Earl Derr Biggers, the author, into the spotlight with 'The House Without a Key', the first installment in the Charlie Chan series and another date falling on the first day of the 13 cycle calendar week.
Did the killer derive the inspiration for his despicable atrocities based on the 13 moon calendar and the significant date of March 14th, that was in some way personal to him and could have provided some leverage to Zodiac's cross hair symbol and the pi / radian theory of Gareth Penn, with March 14th forming pi of 3.14 and the crossed circle logo.
The Halloween Card could possibly be depicting 13 moons, with the Apollo 8 stamp on the envelope commemorating not only the second manned mission of the space program, but the day the world woke up on December 21st 1968 to witness the horror of what was to be eventually realized, that a new breed of killer had begun his murderous rampage.
So who had leanings towards theatrics and film, ever present in the Zodiac material.
Could that man be Richard Gaikowski born on March 14th 1936, the only high profile suspect with a birth date on the first day of the week on the 13 moon calendar.
The first murders, the first Mikado, the first serialization of Charlie Chan, the beginning of Zodiac's little list, along with 12 murders in a 20 month period and one high profile suspect, projected into the spotlight by Tom Voigt of Zodiackiller.com, provides an astronomical statistical coincidence or does it.
I have yet to find any attacks, murders or disappearances before October 25th 1970 from any of the possible victims lists off either the Zodiackiller.com or Zodiac Killer Site Forummotion that fall on the first day of the week on the 13 moon calendar, adding even greater weight to this theory considering all the four confirmed attacks of the Zodiac were date specific.
If anyone knows otherwise it would be of great benefit.