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On Secret Service

<h2>XII</h2> <h3>"THE DOUBLE CODE"</h3> It was one night in early fall that Bill Quinn and I were browsing around the library in the house that he had called "home" ever since a counterfeiter's bullet incapacitated him from further active work in the Secret Service. Prior to that time he had lived, as he put it, "wherever he hung his hat," but now there was a comfortable little house with a den where Quinn kept the more unusual, and often gruesome, relics which brought back memories of the past. There, hanging on the wall with a dark-brown stain still adorning the razorlike edge, was a Chinese hatchet which had doubtless figured in some tong war on the Coast. Below was an ordinary twenty-five-cent piece, attached to the wall paper with chewing gum—"just as it once aided in robbing the Treasury of nearly a million dollars," Quinn assured me. In another part of the room was a frame containing what appeared to be a bit torn from the wrapping of a package, with the canceled stamp and a half-obliterated postmark as the only clues to the murder of the man who had received it, and, beside the bookcases, which contained a wide range of detective literature, hung a larger frame in which were the finger prints of more than a score of criminals, men bearing names practically unknown to the public, but whose exploits were bywords in the various governmental detective services.[165] It was while glancing over the contents of the bookcase that I noted one volume which appeared strangely out of place in this collection of the fictional romances of crime. "What's this doing here?" I inquired, taking down a volume of The Giant Raft, by Jules Verne. "Verne didn't write detective stories, did he?" "No," replied Quinn, "and it's really out of place in the bookcase. If possible, I'd like to have it framed and put on the wall with the rest of the relics—for it's really more important than any of them, from the standpoint of value to the nation. That quarter on the wall over there—the one which figured in the Sugar Fraud case—cost the government in the neighborhood of a million dollars, but this book probably saved a score of millions and hundreds of lives as well. If it hadn't been for the fact that Thurber of the Navy Department knew his Jules Vernes even better than he did his Bible, it's quite possible that— "Well, there's no use telling the end of the story before the beginning. Make yourself comfortable and I'll see if I can recall the details of the case." <hr style="width: 45%;" /> Remember Dr. Heinrich Albert? [Quinn inquired, after we had both stretched out in front of the open fire]. Theoretically, the Herr Doktor was attached to the German embassy in Washington merely in an advisory and financial capacity. He and Haniel von Heimhausen—the same counselor that the present German government wanted to send over here as ambassador after the signing of the peace treaty—were charged with the solution of many of the legal difficulties which arose in connection with the business of the big red brick dwelling on Massachusetts Avenue. But while von Heimhausen was occupied with the legal end of the game, Doctor Albert attended[166] to many of the underground details which went unsuspected for many years. It was he, for example, who managed the bidding for the wireless station in the Philippines—the plan which permitted the German government to dictate the location of the station and to see to it that the towers were so placed where they would be most useful to Berlin. He undoubtedly worked with von Papen and Boy-Ed during the early years of the war—years in which this precious trio, either with or without the knowledge of Count von Bernstorff, sought by every means to cripple American shipping, violate American neutrality, and make a laughingstock of American diplomatic methods. What's more, they got away with it for months, not because the Secret Service and the Department of Justice weren't hot on their trail, but because the Germans were too cagy to be caught and you can't arrest a diplomat just on suspicion. During the months which followed the first of August, nineteen fourteen, practically every one of the government's detective services was called upon in some way to pry into the affairs of the embassy staff. But the brunt of the work naturally devolved upon the two organizations directly concerned with preventing flagrant breaches of neutrality—the Secret Service and the Department of Justice. Every time that Doctor Albert, or any other official of the German government, left Washington he was trailed by anywhere from one to five men. Every move he made was noted and reported to headquarters, with the result that the State Department had a very good idea of the names of the men who were being used to forward Germany's ends, even though it knew comparatively little about what was actually planned. The attachés were entirely too clever to carry on compromising conversations[167] in the open, and their appointments were made in such a manner as effectually to prevent the planting of a dictaphone or any other device by which they might be overheard. The directions to the men who were responsible for the working of the two Services were: <blockquote>Every attaché of the German embassy is to be guarded with extreme care, day and night. Reports are to be made through the usual channels and, in the event that something unusual is observed, Divisional Headquarters is to be notified instantly, the information being transmitted to Washington before any final action is taken. </blockquote> This last clause, of course, was inserted to prevent some hot-headed operative from going off half-cocked and thus spoiling the State Department's plans. As long as Albert and his associates were merely "guarded" they couldn't enter any formal complaint. But, given half a chance, they would have gotten on their official dignity and demanded that the espionage cease. From the State Department's point of view it was an excellent rule, but Gene Barlow and the other Service men assigned to follow Albert couldn't see it in that light. "What's the idea, anyhow?" Gene growled one night as his pet taxicab dashed down Massachusetts Avenue in the wake of the big touring car that was carrying the German attaché to the Union Station. "Here we have to be on the job at all hours, just to watch this Dutchman and see what he does. And," with a note of contempt, "he never does anything worth reporting. Sees half a dozen people, lunches at the German-American Club, drops in at two or three offices downtown, and then back here again. If they'd only let us waylay him and get hold of that black bag that he always carts around there'd[168] be nothing to it. Some day I'm going to do that little thing, just to see what happens." But Barlow took it out in threats. Secret Service men find pleasure in stating what they are going to do "some day"—but the quality of implicit obedience has been drilled into them too thoroughly for them to forget it, which is possibly the reason why they take such a sheer and genuine delight in going ahead when the restrictions are finally lifted. It was in New York, more than two years after the war had commenced, that Barlow got his first opportunity to "see what would happen." In the meantime, he had been assigned to half a dozen other cases, but always returned to the shadowing of Doctor Albert because he was the one man who had been eminently successful in that work. The German had an almost uncanny habit of throwing his pursuers off the trail whenever he wanted to and in spite of the efforts of the cleverest men in the Service had disappeared from time to time. The resumption of unrestricted submarine warfare and the delicacy of the diplomatic situation which ensued made it imperative that the "man with the saber scar," as Doctor Albert was known, be kept constantly under surveillance. "Stick to him, Gene, and don't bother about reporting until you are certain that he will stay put long enough for you to phone," were the instructions that Barlow received. "The doctor must be watched every moment that he's away from the Embassy and it's up to you to do it." "Anything else beside watching him?" inquired the operative, hopefully. "No," smiled the chief, "there isn't to be any rough stuff. We're on the verge of an explosion as it is, and anyone who pulls the hair trigger will not only find himself[169] out of a job, but will have the doubtful satisfaction of knowing that he's responsible for wrecking some very carefully laid plans. Where Albert goes, who he talks with and, if possible, a few details of what they discuss, is all that's wanted." "Wouldn't like to have a piece of the Kaiser's mustache or anything of that kind, would you, Chief?" Barlow retorted. "I could get that for you a whole lot easier than I could find out what the man with the saber scar talks about. He's the original George B. Careful. Never was known to take a chance. Wouldn't bet a nickel against a hundred dollars that the sun would come up to-morrow and always sees to it that his conferences are held behind bolted doors. They even pull down the shades so that no lip reader with a pair of field glasses can get a tip as to what they're talking about." "That's the reason you were picked for this case," was the chief's reply. "Any strong-arm man could whale Albert over the head and throw him in the river. That wouldn't help any. What we need is information concerning what his plans are, and it takes a clever man to get that." "All bull and a yard wide!" laughed Gene, but the compliment pleased him, nevertheless. "I'll watch him, but let me know when the lid comes off and I can use other methods." The chief promised that he would—and it was not more than three weeks later that he had an opportunity to make good. "Barlow," he directed, speaking over the long-distance phone to the operative in New York, "the Department of Justice has just reported that Doctor Albert is in receipt of a document of some kind—probably a letter of instruction from Berlin—which it is vital that we have at once.[170] Our information is that the message is written on a slip of oiled paper carried inside a dummy lead pencil. It's possible that the doctor has destroyed it, but it isn't probable. Can you get it?" "How far am I allowed to go?" inquired Gene, hoping for permission to stage a kidnaping of the German attaché, but fully expecting these instructions which followed—orders that he was to do nothing that would cause an open breach, nothing for which Doctor Albert could demand reparation or even an apology. "In other words," Barlow said to himself, as he hung up the phone, "I'm to accomplish the impossible, blindfolded and with my hands tied. Wonder whether Paula would have a hunch—" Paula was Barlow's sweetheart, a pretty little brunette who earned a very good salary as private secretary to one of the leading lights of Wall Street—which accounted for the fact that the operative had learned to rely upon her quick flashes of intuitive judgment for help in a number of situations which had required tact as well as action. They were to be married whenever Gene's professional activities subsided sufficiently to allow him to remain home at least one night a month, but, meanwhile, Paula maintained that she would as soon be the wife of an African explorer—"Because at least I would know that he wouldn't be back for six months, while I haven't any idea whether you'll be out of town two days or two years." After they had talked the Albert matter over from all angles, Paula inquired, "Where would your friend with the saber scar be likely to carry the paper?" "Either in his pocket or in the black bag that he invariably has with him." "Hum!" she mused, "if it's in his pocket I don't see that there is anything you can do, short of knocking him down[171] and taking it away from him, and that's barred by the rules of the game. But if it is in the mysterious black bag.... Is the doctor in town now?" "Yes, he's at the Astor, probably for two or three days. I left Dwyer and French on guard there while I, presumably, snatched a little sleep. But I'd rather have your advice than any amount of rest." "Thanks," was the girl's only comment, for her mind was busy with the problem. "There's apparently no time to lose, so I'll inform the office the first thing in the morning that I won't be down, meet you in front of the Astor, and we'll see what happens. Just let me stick with you, inconspicuously, and I think that I can guarantee at least an opportunity to lift the bag without giving the German a chance to raise a row." Thus it was that, early the next day, Gene Barlow was joined by a distinctly personable young woman who, after a moment's conversation, strolled up and down Broadway in front of the hotel. Some twenty minutes later a man whose face had been disfigured by a saber slash received at Heidelberg came down the steps and asked for a taxi. But Barlow, acting under directions from Paula, had seen that there were no taxis to be had. A flash of his badge and some coin of the realm had fixed that. So Dr. Heinrich Albert, of the German embassy, was forced to take a plebeian surface car—as Paula had intended that he should. The Secret Service operative and his pretty companion boarded the same car a block farther down, two other government agents having held it sufficiently long at Forty-fourth Street to permit of this move. Worming their way through the crowd when their prey changed to the Sixth Avenue Elevated, Gene and Paula soon reached points of vantage on either side of the[172] German, who carried his black bag tightly grasped in his right hand, and the trio kept this formation until they reached Fiftieth Street, when the girl apparently started to make her way toward the door. Something caused her to stumble, however, and she pitched forward right into the arms of the German, who by that time had secured a seat and had placed his bag beside him, still guarding it with a protecting arm. Before the foreigner had time to gather his wits, he found himself with a pretty girl literally in his lap—a girl who was manifestly a lady and who blushed to the tips of her ears as she apologized for her awkwardness. Even if the German had been a woman-hater there would have been nothing for him to do but to assist her to her feet, and that, necessarily, required the use of both hands. As it happened, Doctor Albert was distinctly susceptible to feminine charms, and there was something about this girl's smile which was friendly, though embarrassed. So he spent longer than was strictly essential in helping her to the door—she appeared to have turned her ankle—and then returned to his seat only to find that his portfolio was missing! Recriminations and threats were useless. A score of people had left the car and, as the guard heartlessly refused to stop the train before the next station, there was naturally not a trace of the girl or the man who had accompanied her. By that time, in fact, Barlow and Paula had slipped into the shelter of a neighboring hotel lobby and were busy inspecting the contents of Doctor Albert's precious brief case. "Even if there's nothing in it," laughed the girl, "we've had the satisfaction of scaring him to death." Gene said nothing, but pawed through the papers in frantic haste.[173] "A slip of oiled paper," he muttered. "By the Lord Harry! here it is!" and he produced a pencil which his trained fingers told him was lighter than it should be. With a wrench he broke off the metal tip that held the eraser, and from within the wooden spindle removed a tightly wrapped roll of very thin, almost transparent paper, covered with unintelligible lettering. "What's on it?" demanded Paula. "I'll never tell you," was Barlow's reply. "It would take a better man than I am to decipher this," and he read off: <blockquote>"I i i t f b b t t x o...." </blockquote> "Code?" interrupted the girl. "Sure it is—and apparently a peach." The next moment he had slipped the paper carefully into an inside pocket, crammed the rest of the papers back into the brief case, and was disappearing into a phone booth. "Better get down to work, dear," he called over his shoulder. "I'm going to report to the office here and then take this stuff down to Washington!" And that was the last that Paula saw of him for a week. Six hours later Barlow entered the chief's office in the Treasury Department and reported that he had secured the code message. "So New York phoned," was the only comment from the man who directed the destinies of the Secret Service. "Take it right up to the Navy Department and turn it over to Thurber, the librarian. He'll be able to read it, if anybody can." Thurber, Gene knew, was the man who was recognizedly the leading authority on military codes and ciphers in the United States, the man who had made a hobby as[174] well as a business of decoding mysterious messages and who had finally deciphered the famous "square letter" code, though it took him months to do it. "He'll have to work faster than that this time," thought Barlow, as he made his way toward the librarian's office on the fourth floor of the big gray-stone building. "Time's at a premium and Germany moves too fast to waste any of it." But Thurber was fully cognizant of the necessity for quick action. He had been warned that Barlow was bringing the dispatch and the entire office was cleared for work. Spreading the oiled paper on a table top made of clear glass, the Librarian turned on a battery of strong electric lights underneath so that any watermark or secret writing would have been at once apparent. But there was nothing on the sheet except line after line of meaningless letters. "It's possible, of course, that there may be some writing in invisible ink on the sheet," admitted the cipher expert. "But the fact that oiled paper is used would seem to preclude that. The code itself may be any one of several varieties and it's a matter of trying 'em all until you hit upon the right one." "I thought that Poe's story of 'The Gold Bug' claimed that any cipher could be read if you selected the letter that appeared most frequently and substituted for it the letter 'e,' which is used most often in English, and so on down the list," stated Barlow. "So it did. But there are lots of things that Poe didn't know about codes." Thurber retorted, his eyes riveted to the sheet before him. "Besides, that was fiction and the author knew just how the code was constructed, while this is fact and we have to depend upon hard work and blind luck.[175] "There are any number of arbitrary systems which might have been used in writing this message," he continued. "The army clock code is one of them—the one in which a number is added to every letter figure, dependent upon the hour at which the message is written. But I don't think that applies in this case. The cipher doesn't look like it—though I'll have to admit that it doesn't look like any that I've come across before. Let's put it on the blackboard and study it from across the room. That often helps in concentrating." "You're not going to write the whole thing on the board?" queried the operative. "No, only the first fifteen letters or so," and Thurber put down this line: <blockquote>I i i t f b b t t x o r q w s b b </blockquote> "Translated into what we call 'letter figures,'" he went on, "that would be 9 9 9 20 6 2 2 20 20 24 15 18 17 23 19 2 2—the system where 'a' is denoted by 1, 'b' by 2, and so on. No, that's still meaningless. That repetition of the letter 'i' at the beginning of the message is what makes it particularly puzzling. "If you don't mind, I'll lock the door and get to work on this in earnest. Where can I reach you by phone?" Barlow smiled at this polite dismissal and, stating that he would be at headquarters for the rest of the evening and that they would know where to reach him after that, left the office—decidedly doubtful as to Thurber's ability to read the message. Long after midnight Gene answered a ring from the phone beside his bed and through a haze of sleep heard the voice of the navy librarian inquiring if he still had the other papers which had been in Doctor Albert's bag.[176] "No," replied the operative, "but I can get them. They are on top of the chief's desk. Nothing in them, though. Went over them with a microscope." "Just the same," directed Thurber, "I'd like to have them right away. I think I'm on the trail, but the message is impossible to decipher unless we get the code word. It may be in some of the other papers." Barlow found the librarian red-eyed from his lack of sleep and the strain of the concentration over the code letter. But when they had gone over the papers found in the black bag, even Thurber had to admit that he was checkmated. "Somewhere," he maintained, "is the one word which will solve the whole thing. I know the type of cipher. It's one that is very seldom used; in fact, the only reference to it that I know of is in Jules Verne's novel The Giant Raft. It's a question of taking a key word, using the letter figures which denote this, and adding these to the letter figures of the original letter. That will give you a series of numbers which it is impossible to decipher unless you know the key word. I feel certain that this is a variation of that system, for the fact that two letters appear together so frequently would seem to indicate that the numbers which they represent are higher than twenty-six, the number of the letters in the alphabet." "One word!" muttered Barlow. Then, seizing what was apparently a memorandum sheet from the pile of Albert's papers, he exclaimed: "Here's a list that neither the chief nor I could make anything of. See? It has twelve numbers, which might be the months of the year, with a name or word behind each one!" "Yes," replied Thurber, disconsolately, "I saw that the first thing. But this is October and the word corresponding[177] to the number ten is 'Wilhelmstrasse'—and that doesn't help at all. I tried it." "Then try 'Hohenzollern,' the September word!" snapped Barlow. "This message was presumably written in Berlin and therefore took some time to get over here." "By George! that's so! A variation of the 'clock code' as well as Verne's idea. Here, read off the letters and I'll put them on the board with the figures representing Hohenzollern underneath. Take the first fifteen as before." When they had finished, the blackboard bore the following, the first line being the original code letters, the second the letter figures of these, and the third the figures of the word "Hohenzollern" with the first "h" repeated for the fifteenth letter: I i i t f b b t t x o r q w s b b <div class="center"> <table border="0" cellpadding="4" cellspacing="4" summary="code table"> <tr><td align="right">I</td><td align="right">ii</td><td align="right">t</td><td align="right">f</td><td align="right">bb</td><td align="right">tt</td><td align="right">x</td><td align="right">o</td><td align="right">r</td><td align="right">q</td><td align="right">w</td><td align="right">s</td><td align="right">bb</td></tr> <tr><td align="right">9</td><td align="right">35</td><td align="right">20</td><td align="right">6</td><td align="right">28</td><td align="right">46</td><td align="right">24</td><td align="right">15</td><td align="right">18</td><td align="right"><ins title="Transcriber's Note: original reads '19'">17</ins></td><td align="right">23</td><td align="right">19</td><td align="right">28</td></tr> <tr><td align="right">8</td><td align="right">15</td><td align="right">8</td><td align="right">5</td><td align="right">14</td><td align="right">26</td><td align="right">15</td><td align="right">12</td><td align="right">12</td><td align="right">5</td><td align="right">18</td><td align="right">14</td><td align="right">8</td></tr> </table></div> "Why thirty-five for that double 'i' and twenty-eight for the double 'b's'?" asked Barlow. "Add twenty-six—the total number of letters in the alphabet—to the letter figure for the letter itself," said Thurber. "That's the one beauty of this code, one of the things which helps to throw you off the scent. Now subtracting the two lines we have: <div class="center">  "1 20 12 1 14 20 9 3 6 12 5 5 20 </div> "We've got it!" he cried an instant later, as he stepped back to look at the figures and read off: <div class="center">"A t l a n t i c  f l e e t </div> [178] "It was a double code, after all," Thurber stated when he had deciphered the entire message by the same procedure and had reported his discovery to the Secretary of the Navy over the phone. "Practically infallible, too, save for the fact that I, as well as Doctor Albert, happened to be familiar with Jules Verne. That, plus the doctor's inability to rely on his memory and therefore leaving his key words in his brief case, rendered the whole thing pretty easy." "Yes," thought Gene, "plus my suggestion of the September word, rather than the October one, and plus Paula's quick wit—that's really all there was to it!" But he kept his thoughts to himself, preferring to allow Thurber to reap all the rewards that were coming to him for the solution of the "double code." <hr style="width: 45%;" /> "Do you know what the whole message was?" I inquired, as Quinn stopped his narrative. "You'll find it pasted on the back of that copy of The Giant Raft," replied the former operative. "That's why I claim that the book ought to be preserved as a souvenir of an incident that saved millions of dollars and hundreds of lives." Turning to the back of the Verne book I saw pasted there the following significant lines: <blockquote>Atlantic Fleet sails (from) Hampton Roads (at) six (o'clock) morning of seventeenth. Eight U-boats will be waiting. Advise necessary parties and be ready (to) seek safety. Success (of) attack inevitable. </blockquote> "That means that if Thurber hadn't been able to decipher that code the greater part of our fleet would have been sunk by an unexpected submarine attack, launched[179] by a nation with whom we weren't even at war?" I demanded, when I had finished the message. "Precisely," agreed Quinn. "But if you'll look up the records you'll find that the fleet did not sail on schedule, while Dr. Heinrich Albert and the entire staff from the house on Massachusetts Avenue were deported before many more weeks had passed. There was no sense in raising a fuss about the incident at the time, for von Bernstorff would have denied any knowledge of the message and probably would have charged that the whole thing was a plant, designed to embroil the United States in the war. So it was allowed to rest for the time being and merely jotted down as another score to be wiped off the slate later on. "But you have to admit that a knowledge of Jules Verne came in very handy—quite as much so, in fact, as did a knowledge of the habits and disposition of white mice in another case." "Which one was that?" Quinn merely pointed to the top of his bookcase, where there reposed a stuffed white mouse, apparently asleep. "That's a memento of the case," replied the former operative. "I'll tell you of it the next time you drop in." <hr style="width: 65%;" /> [180] <div style="break-after:column;"></div>

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