TheCodeBreakers
4. Taking care not to arouse outside suspicion, dispose of all
secret documents in the same way.
Since these measures are in preparation for an emergency, keep
this within your consulate and carry out your duties with calmness
and care.
The codes were duly burned, including the TSU, or J19, in which the
circular was transmitted. That evening Kita sent HARUNA. Henceforth the
consulate code secretary, Samon Tsukikawa, would have to transmit
the spy messages of Yoshikawa, alias Morimura, in the simpler PA-K2.
The first such message arranged four signaling systems by which a spy
might report on the condition of the ships in Pearl Harbor. The
arrangement had been submitted to Yoshikawa by an Axis spy in Hawaii,
Bernhard Julius Otto Kühn. Nazi Propaganda Minister Josef Goebbels
had transferred him to the islands in 1935 after a contretemps with
Kühn's daughter Ruth, who had become Goebbels' mistress when she
annaabi.ee 
