In the meantime, while Colonel Riddle was in Vienna preparing for the court-martial, the Government had its agents in Bohemia collecting evidence to be used against the accused man. Two of the secret service men who were in Prague burst into his room for the purpose of securing any information that might be obtained there. At first it looked as if they were to have their labors for their pains. Nothing out of the ordinary was found. It was a sort of apartment that might be expected to belong to a comparatively wealthy and popular young man. There were trophies from all parts of the world; souvenirs of his stay at St. Petersburg—this, it must be remembered, was before the days that the capital of Russia assumed the unfamiliar name of Petrograd—and other interesting places. There were numerous private letters, some of them tender love missives. But at the last moment the secret service men discovered a private desk in a corner of the room which, when broken open, disclosed a number of papers of an incriminating character. It was positively declared at the time that if certain of these papers ever became public nothing could prevent a war between Austria and Russia.

And here another curious twist is introduced in this strangest of strange stories. It was asserted in a way that gave it the appearance of verity that some of the papers, had they come to light, would have ruptured, if not entirely broken, the relations between Austria and Germany. Even at that time these two countries were looked upon as the Siamese twins among the nations of Europe. The Austrian authorities were seriously alarmed. They could not contemplate a struggle between their own country and their German ally with equanimity. The question was what to do under these critical circumstances. One of the first things was to take charge of all of the possessions of the unfortunate man. Everything was seized—not only the official papers, but private letters, tailors’ bills, photographs, and all other articles that were found in the room. Not only were the papers seized and sequestered, but his apartments were sealed, thus concluding the first act in the tragic drama.

But the most serious part of the business was still to come. The papers were out of the way; there was no documentary evidence in the case, but the man still remained, and what he might do or say was the unknown quantity in the problem. The strangest part of the queer affair was that in spite of all of these charges and counter charges against the fascinating colonel he was still looked upon as a most patriotic person. It was assumed—and probably with correctness—that while he had been indiscreet and possibly blameworthy, he never really intended to betray his own country. Anyhow the cold facts remained. It was a condition and not a theory which confronted those in authority. The court-martial had been ordered. It was fixed for a certain day. If it took place according to schedule it might strike the spark which would cause a terrific explosion in Europe. If it were postponed, how could the postponement be explained? And even if it were, there would still remain the man who had been indiscreet and who might be again.

It was at this stage of events that Colonel Riddle, who was kept in strict confinement, received a call from two of his fellow officers. They smoked and chatted, and even had a glass of wine together. All of the facts were placed before him in an orderly manner. He was shown that he could not escape under any circumstances and that if he should live, the life of the empire might be threatened. It was the existence of one or the other. He was told, as he knew very well, that any attempt to defend himself would place Austria in the position of having attempted to steal the military secrets of Russia, and further, of being faithless to Germany. Finally, about midnight, they parted, and as the officers left the room one of them with a significant gesture handed Colonel Riddle a loaded pistol.

The next morning when the guard made his regular rounds his eyes met a shocking sight. Colonel Riddle lay prostrate on the floor with a bullet wound in his forehead. The pistol with which the deed was committed lay by his side.

There was much regret, of course. The highest officials of the Austrian Court were heard to express sorrow at the untimely taking off of the popular young officer. His high standing, his unusual ability and his bright prospects for the future only made the tragedy the sadder.

A five line cablegram told the story to America. It is doubtful if one person in a thousand either read it or paid any attention to it. It was simply reported as the suicide of a soldier who was about to be placed on trial for treason. What could be more natural than that a man in the face of impending disgrace—especially when he had been a trusted officer—should take his life? Such things had happened before. Why should it excite any comment?

In the early part of the following month there were whispers concerning the real facts that lay behind the curious story of Colonel Riddle’s suicide. These facts came to light little by little, and finally were woven into a coherent and connected story. Many friends of the dead soldier, who knew that he had fought bravely for his country and had acted as a spy in her interests, also knew that he had become a martyr for the Fatherland.

One of the results of the tragic affair was a reorganization of the entire spy system of the Austrian army. Secrets which had hitherto been known to a score of men were now confined to a comparative few. Every man was placed under suspicion, and even spies whose fidelity had never been questioned before were subjected to the closest scrutiny of other spies whose existence was unknown to them. At the same time the German secret service was reorganized and put in position where the likelihood of a betrayal of state secrets was exceedingly improbable. Even those who were unwilling to believe that Colonel Riddle had been guilty of treason admitted that the looseness of the spy system placed it within the power of many men to betray those for whom they were supposed to be working.

“The Government,” said one officer, alluding to the tragedy that had just occurred, “found it imperatively necessary to close the mouth of one of its own sons. I hope the necessity for such a thing will never occur again.”