The two female assistants--Belgian girls--had fled screaming at the commencement of the struggle. Two or three customers at the other end of the long shop had watched the scene without attempting to interfere; but directly the shopkeeper was secured they rushed into the street, yelling that a spy had been captured. The utterance of the word "Espion" was sufficient instantly to attract a huge crowd. Civil Guards and soldiers found their way through the press, and kept the curious onlookers from the door. "Who denounces the accused?" demanded a sergeant of the Civil Guard. "I do," promptly responded Kenneth, at the same time producing his identity papers. The sergeant glanced at the documents, and entered Kenneth's name in a book. "You must come with me," he added; "you and your witnesses." "Sorry I cannot," said Kenneth. The sergeant pricked up his ears. "I order you," he declared. "Tell me where you are taking the prisoner, and we will be there as soon as possible. At three o'clock I have an appointment with Commandant Fleurus, and it is nearly that hour now." The sergeant acquiesced, but took the precaution of discreetly sending a couple of men to watch the movements of the two corporals in Belgian uniform who were stated to be English. Experience had taught him that there were such things as forged documents, and that Germans had masqueraded as English officers and men. "You are slightly after time," was Commandant Fleurus's remark as the dispatch-riders presented themselves. "We arrested a spy, sir," announced Kenneth. "He gave himself away." "How was that?" asked the Commandant. Kenneth reported the details, and how Jules de la Paix had rashly declared that he was compelled to denounce the English lads to von Koenik at Brussels. "Good!" ejaculated Commandant Fleurus. "It is indeed a fine service to trap such carrion. We have suffered greatly from these pests, but I fear one the less will make but little difference. Antwerp shelters a horde of them. But here is your dispatch. See, I have endorsed it: 'Bearers detained upon special service'." By the time that Kenneth and Rollo arrived at the head-quarters of the Civil Guard a court martial had already been constituted. The presence of the principal witnesses made it possible for the trial to open. The proceedings were brief, but with every semblance of fairness. The accused, having had time to consider his position, tried to deny his statements; but there were several witnesses who had overheard the prisoner's terrified confession to Kenneth.