Shortly afterward, Boy-Ed returned to Germany on the U-53. He did not attempt to see me again, but three times within the following weeks, attempts were made upon my life. Later, pressure was brought to bear from sources close to the German Embassy, but they failed to secure the suppression of the articles. But my curiosity was aroused as to the meaning of Boy-Ed’s presence here and I set to work to discover the purpose of it. This was not difficult, for although I have ceased to be a secret agent, I am still in touch with many who formerly gave me information, and I know ways of discovering many things I wish to learn. Soon I had the full story of Boy-Ed’s latest activities in this country. He had, I learned, gone first to Mexico in an attempt to pave the way for that last essay at a Mexican-Japanese alliance, which the discovery of the famous Zimmermann note later made public. Whether he had succeeded or no, I did not discover at the time. But what was more important, I did learn that while he was in Mexico, Boy-Ed had selected and established several submarine bases for Germany! His plans had also carried him to San Francisco, to which he had gone disguised only by a mustache. There he had identified several men who were needed by the counsel of the defense of the German Consul Bopp, who had been arrested on a charge of conspiracy and for fomenting sedition within the United States. From the Pacific Coast Boy-Ed had gone to Kansas City and had bought off a witness who had intended to testify for the United States in the trial of certain German agents. Thence, after a private errand of his own, he had made his way to New York, _en route_ to Newport and Germany. It may be well here to comment upon one feature of the Zimmermann note which has generally escaped attention. It was through no blunder of the German Government that that document came into possession of the United States, as I happen to know. I have pointed out before that diplomatic negotiations are carried through in the following manner. The preliminary negotiations are conducted by men of unofficial standing and it is not until the attitude of the various governments involved is thoroughly understood by each of them that final negotiations are drawn up. Now, although no negotiations had taken place between Germany, Japan and Mexico, the form of the Zimmermann note would seem to indicate that there was a thorough understanding between these countries. They were drawn up in this form with a purpose. Germany wished the United States to conclude that Mexico and Japan were hostile to her; Germany hoped that this country would be outwardly silent about the Zimmermann note but would take some diplomatic action against Mexico and Japan which would inevitably draw these two countries into an anti-American alliance.