The Zodiac Killer – Endgame
Saturday,
May 12, 2007
Solving world-class ciphers always brings with it a sense of
elation. Solving perhaps the most legendary unsolved criminal case of all time
leaves me at a loss for words.
To get up to speed on the Zodiac Killer case, read this page first.
The evidence that I derived from the Zodiac’s submissions to the police
and the newspapers gave a sine location to
But there is more. It was the Zodiac’s very own
identity that he was providing to the police.
The Zodiac submitted what would be known as the “My
Name Is” cipher to police and the newspapers. I cracked this cipher
and the solution is: “A Train H Blood M”. That said, one very
astute individual on my forums who goes by the handle “jpRecon”
noticed a numeric pattern in the “My Name Is” cipher. Let’s
look at the cipher variables again:
Notice that in the cipher variables there are three
circles with numeric 8’s inside them. So when you count the variable
numbers between what the Zodiac has circled and inserted his 8’s in the
cipher text, we get:
4 8 1 8 1 8 4
If you
don’t see how we got that numeric sequence, all that we did was count the
variables in total before each circled “8” that the Zodiac provided
in the cipher. He wrote four variables then a circled “8”, then one
variable and another circled “8”, then one variable and another circled
“8”, and then four more variables. This was another cipher that the
Zodiac had inserted into the “My Name Is” cipher! But the Zodiac
Killer was very smart and protected this next sequence by inserting the final
three variable sequences in the actual solution to the “My Name Is”
cipher that I cracked.
That
solution again was: “A Train H Blood M”, which translated to
“A Blood Train H M”, where the additional H & M variables have
numeric alphabet values of “8” and “13” respectively.
So without cracking the actual “My Name Is” cipher, the solution to
this next cipher would not reveal itself, especially since it needed another
key in order to solve it!
What you
are about to see proves that the Zodiac Killer was very intelligent when he created
this cipher sequence. This is a layered cipher, and you will see why law
enforcement had such great difficulty trying to capture the Zodiac Killer.
Now
jpRecon, one of the Zodiac sleuths on my forum, pointed out the
“4818184” numeric sequence with the “My Name Is” cipher
text and he was pretty excited about it and asked me to check it out. So I
wrote the numeric sequence and then began to analyze methods to approach it. I
spent many hours considering how the Zodiac could use such a sequence either with
evidence that he had already provided to police, or evidence that he used
himself and believed that he created a cipher so strong that no one could crack
it.
I knew
that there were three variables remaining in the “My Name Is”
cipher solution that I had finished, and those variables were “813”
for the numeric values of “H” & “M” in the
alphabet. I counted the total variables that jpRecon illustrated, and there
were seven variables, the 4818184. I then added the “813” to the
4818184 and that gave me:
8 1 3 4 8 1 8 1 8 4
All of
the unaccounted variables were now accounted for. I now had 10 variables that
the Zodiac Killer provided with his cipher, the three from solving the cipher
with the key “ZODIAC” to derive the “A Train H Blood M”
solution, and the external sequence of 4818184 that jpRecon detected.
The
problem was trying to figure out how the Zodiac Killer used this new cipher
sequence and how it was encoded. Then it dawned on me to study the one piece of
evidence that the Zodiac Killer always relied upon and spoke often of in great
detail.
The
Phillips 66 QQ code series 1969 version map!
I am
pleased to announce that using a section from this map I was able to crack this
new cipher sequence and I believe this proves his real identity as he wanted
the police to know it! The Zodiac Killer provided this information to the
police in 1970. It is nothing short of a “confession”!
I scanned
the cover of the Zodiac Killer’s Phillips 66 QQ code series 1969 version
map and that gives us:
This is
the same map that the Zodiac Killer used to mail in to police with his
“Button” cipher which I solved.
Now, to
solve this next “secret” cipher, the Zodiac’s
“identity”! We need to use the cipher key that the Zodiac used in
this next sequence.
The
Phillip’s 66 map cover has an advertisement for an
“international” credit card. There are “10” variables
in the advertised credit card number on the map. These variables are:
6 7 5 0 0 0 3 1 6 9
Now, from
the sequence above where we derived the 10 variables from the solved “My
Name Is” cipher and jpRecon’s astute observation that there was a
special sequence in the numeric face value of the cipher text itself we get:
8 1 3 4 8 1 8 1 8 4
Now, I am
going to add the numbers from the credit card advertisement on the
Zodiac’s Phillip’s 66 map to the sequence derived from the
“My Name Is” cipher solution. This gives us:
6 7 5 0 0 0 3 1 6 9
+ 8 1 3 4 8 1 8 1 8 4
-----------------------
1 4 8 8 4 8 2 1 3 5 3
This gave
me eleven variables in the first solution sequence of this new cipher.
Now for
the next step—on the credit card advertisement is a “name”,
“John Q Public”. This name is eleven variables! But first we want
to alphabetize the eleven variable solution above so that we can apply it to
the name found on the credit card advertisement. Doing so gives us:
A D H H D H B A C E C
So using
the numeric values in the alphabet for the eleven variables, we get
“ADHHDHBACEC”.
Now, we
are going to apply it to the “John Q. Public” name found on the credit
card advertisement, subtracting the letter values from the top sequence with
the name below:
A D H H D H B A C E C
- J O H N Q P U B L I C
--------------------------
I am
posting the alphabet numerically so folks that want to solve it on their own can
do so and see the process used to do it.
A B C D E F G H I
J K L M N O P
Q R S T U V W
X Y Z
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
1) A – J = 1 – 10 = “I”
2) D – O = 4 – 15 = “K”
3) H – H = 8 – 8 = Zero “O” or -
4) H – N = 8 – 14 = “F”
5) D – Q = 4 – 17 = “M”
6) H – P = 8 – 16 = “H”
7) B – U = 2 – 21 = “S”
8) A – B = 1 – 2 = “A”
9) C – L = 3 – 12 = “I”
10) E – I = 5 – 9 = “D”
11) C – C = 3 – 3 = Zero “O” or -
With the solution in hand, this is
what I derived from the cipher using the keys on the
Phillip’s 66 map in the credit card number advertisement with the
“John Q. Public” name:
I K
O F M H S A I D O
This solution is anagrammed into:
M I
K A D O F I S H –
The Zodiac Killer was notorious
for deliberately leaving errors in cipher solutions so the solution must read:
M I
K A D O - F I S H
The Zodiac Killer previously
quoted the play “Mikado” in letters to the police. This is another important
clue. It is important to state that the Zodiac had a peculiar intelligence when
doing this cipher. He took the “John Q. Public” name and the number
“assigned” to the John Q. Public in the credit card advertisement
for Phillips 66 and added his number to it:
1 4
8 8 4 8 2 1 3 5 3
The Zodiac was creating his
“own” number so he was not part of the anonymous “John Q.
Public” where everyone else was just a “number”, as the
saying goes.
So how does this all fit in
together? The Zodiac gave us clues to solving this last sequence. By 1974 it
became clear to the Zodiac that no one had solved his mailings in 1970 which
included these cipher sequences, and so the Zodiac sent this letter to police
on January 29, 1974:
The segment that concerns us is this part:
“He
plunged him self into
The
billowy wave
And an
echo arose from
The
suicides grave
Titwillo
titwillo titwillo”
Zodiac derived these verses of a song from the play
“The Mikado”. The song from the original play that he quotes is:
Mikado
“On
a tree by a river a little tom-tit
Sang
"
And I
said to him, "Dicky-bird, why do you sit
Singing
'
"Is
it weakness of intellect, birdie?" I cried
"Or
a rather tough worm in your little inside"
With a
shake of his poor little head, he replied
"Oh,
willow, titwillow, titwillow!"
He
slapped at his chest, as he sat on that bough
Singing
"
And a
cold perspiration bespangled his brow
Oh,
willow, titwillow, titwillow
He
sobbed and he sighed, and a gurgle he gave
Then he
plunged himself into the billowy wave
And an
echo arose from the suicide's grave
"Oh,
willow, titwillow, titwillow"
Now I
feel just as sure as I'm sure that my name
Isn't
That
'twas blighted affection that made him exclaim
"Oh,
willow, titwillow, titwillow"
And if
you remain callous and obdurate, I
Shall
perish as he did, and you will know why
Though I
probably shall not exclaim as I die
"Oh,
willow, titwillow, titwillow"
The Zodiac was trying to figure out if the police solved
his “My Name Is” “John Q. Public” cipher sequence and
to provide them with a clue to solving it if they had not solved it.
Now to finish the “John Q. Public” cipher
sequence. The solution is:
M I K
A D O - F I S H
In the Mikado play, No. 13 (the 13th Act of the
play) is titled: “For He’s Gone and Married Yum Yum”.
In this Act of the Mikado Play we get the “fish” reference:
“On
this subject we pray you be dumb —
Dumb — dumb!
We think you had better succumb —
Cumb — cumb!
You'll find there are many
Who'll wed for a penny,
Who'll wed for a penny,
There are lots of good fish in the sea,
There are lots of good fish in the sea,
There's lots of good fish, good fish in the sea,
There's lots of good fish, good fish in the sea,
In the sea, in the sea, in the sea, in the sea.”
Now, using the clue from the Mikado segment that the
Zodiac mailed in to police on January 29, 1974:
“Then
he plunged himself into the billowy wave
And an
echo arose from the suicide's grave
"Oh,
willow, titwillow, titwillow"
Now I
feel just as sure as I'm sure that my name
Isn't
The line that concerns us with the Zodiac clue about the
Mikado that the serial killer mailed to police on January 29, 1974, is the line
following the lines that he wrote on his message:
“Now
I feel just as sure as I'm sure that my name
Isn't
Using this clue, we will apply it to the 13th Act of the Mikado play
that references the “fish” using the Zodiac’s literary
sequencing:
“You'll
find there are many
Who'll wed for a penny,
Who'll wed for a penny,
There are lots of good fish in the sea,
There are lots of good fish in the sea,
There's lots of good fish, good fish in the sea,
There's lots of good fish, good fish in the sea,
In the sea, in the sea, in the sea, in the sea.”
This gives us the final cipher solution, the solution to
the Zodiac’s “My Name Is” cipher:
Who'll wed for a penny.
There
are lots of good fish in the sea,
There are lots of good fish in the
sea,
=
“66”
Now
we will tie in
the other evidence derived from the “My Name Is” cipher
solution that I solved. This gave us a sine location (the bottom triangle in
the skeleton’s legs) directly near the former Navy Net Depot in
The
Zodiac mailed in his “Button” cipher to the San Francisco Chronicle
on June 26, 1970. The solution to the
“Button” cipher gave us President John F. Kennedy’s
famous speech, a reference by the Zodiac Killer to the book repository in
This may
be new smoking-gun evidence as to the identity of the Zodiac Killer.
I would
like to give a special thanks to Billie Teague for providing an incredible
amount of research in regards to the Zodiac case.
Christopher
Farmer
MS,
National Security
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