On June 30th 1972 the San Rafael Daily Independent stated that "Edward J. Salmina, sports editor of the Novato Advance, reported to Novato police yesterday he had received a death threat yesterday in a letter signed "Zodiac". The hand-printed letter said: "If you leave your house past 3:13:47 on the next ten Saturdays, you will be killed". In the lower left corner under the heading "message" were a series of symbols. Salmina of 25 Crescent Lane told police he didn't know who or why anyone would send him such a letter. Police said a copy will be sent to the homicide division of the San Francisco Police Department to determine if the note was printed by the Zodiac Killer".
Below I have placed the time 3:13:47 onto a clock face and marked the 10 Saturdays the author of the letter demanded that Ed Salmina remain in his house. His first Saturday of freedom, had he complied, would have been September 9th 1972. I have performed a cursory search regarding the numbers stipulated on the letter, but other than sections of Bible verse and Crown Prince Waterford (using 03:13:47) little else seems of note. Bearing in mind some code was inserted at the bottom of the message, only 63 (3+13+47 = number of characters in the 340 cipher) sprang to mind. Whoever wrote this message seemed rather specific with the time, giving the impression that it held some significance to the author of the correspondence, so hopefully a more logical suggestion can be discovered.
Her description of the man alerted investigators to a possible Zodiac connection, that of a man with heavy-rimmed black glasses, in his early 40s, 5' 9" in height and short brown hair. It was not overlooked by police that the killer had attempted to lure the woman into his vehicle, not dissimilar to the method employed in the Modesto abduction of Kathleen Johns. Napa County homicide detective Kenneth Narlow believed in a greater than 50-50 chance of a Zodiac connection, bearing in mind the description given by Isobel Watson
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