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2026, June 28: One Year of Zodiac Research Blog — A Note of Retrospective and Direction

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Canonical cipher 3: Z13 vol.1. Entropy based solution of Z13

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  An entropy-based solution of the Z13 based on a cascade consideration of ciphers Comment: Originally proposed in May 2024 on Tom Voigt’s Tapatalk Zodiac Killer forum and message board, this solve has undergone revision that does not take away from the step-1 solution (Table III) nor the end solution (Table IV). The solution wishes to explain the process of step-2 better and contextualize with the solution proposed by Dr. Ryan Garlick. Moreover, it offers a step-3 for the validation of symbols order. Z13 has been considered time and time again as per its short length which does not allow for an inclusion (and therefore discovery) of an internal key. Various suggestions have been provided and various solutions have been proposed, including some very plausible and interesting solutions by zodiac researchers and cipher scholars in this forum, such as cipher (comment: SolidSnake1990) and rando . My approach, based on my signal processing/information theory background, is based ...
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Edward Wayne Edwards vol. 1: Introducing EWE

  Edward Wayne Edwards vol_1: Introducing EWE Preface — Method, Ethics, and Tone Every study begins with an absence. In this case, the absence is truth — not merely about one man’s crimes, but about the structures that enabled him to live behind a revolving sequence of names and stories for half a century. This project does not canonize a killer; it documents deception as a system —how institutions, media, and the subject’s own performance architecture reinforced one another. “Edward Wayne Edwards” was not only a criminal: he was a phenomenon of concealment. His apparent “reformation,” his autobiographical Metamorphosis , his televised and recorded performances — all functioned as rehearsed illusions of accountability. The purpose of these volumes is not to admire that design, but to unmask it, piece by piece, using verifiable data, careful sourcing, and a clear separation between evidence and speculation. On Method The approach throughout is forensic, not rhetorica...
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Canonical cipher 1: Z408 vol.1. Purgatory

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  Canonical cipher 1: Z408 vol. 1. Purgatory 1.                        From Hell The last day of this July marked 56 years since the sending of the three-piece Z408 [1]. After months of silence and a phone call assuming responsibility for both LHR and BRS in the early hours of July 5, 1969, the killer makes a stunning declaration of purpose: three newspapers receive the three pieces of a cipher. Two of them are the biggest papers of the biggest city of Bay Area: a foreshadowing of things to come. The choice of the papers is not random. As Soze has pointed out, the number of stamps in each envelope reflects the editorial and publishing history of each paper: the killer demonstrates for the first time that he is acutely aware of the history of the people he is sending his cipher to [2]. This demonstrates a system which may very well extend to the victims themselves (gen...
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