Investigation disclosed this man to be Michael Rogers, a prominent and wealthy citizen of Council Bluffs, and the owner of an extensive property in the adjoining counties. Puzzled, but still persuaded that he had found a clue, Mr. Pinkerton put a "shadow" on Rogers, and hurried back to Magnolia, where he learned that on the day preceding the robbery Rogers had been seen in Magnolia, where he had paid his taxes, and in doing so had loitered for some time in the treasurer's office. This also looked suspicious. But, on the other hand, search as he might, the detective could find nothing against Rogers's character, every one testifying to his entire respectability. Still unconvinced, Mr. Pinkerton returned to Council Bluffs, where he was informed by the man who had been "shadowing" Rogers that several strange men had been seen to enter Rogers's house and had not been seen to come out again. The watch was continued more closely than ever, and after four days of patient waiting, Rogers, accompanied by three strangers, was seen to leave the house cautiously and take a west-bound train on the Pacific Railroad. One of these men, a brawny, athletic fellow nearly six feet tall, and about twenty-eight years of age, Mr. Pinkerton shrewdly suspected was Frank Reno, although he could not be certain, never having seen Frank Reno. Feeling sure that if his suspicions were correct the men would ultimately return to Rogers's house, Mr. Pinkerton did not follow them on the train, but contented himself with keeping the strictest watch for their return. The very next morning the same four men were discovered coming back to the house from the direction of the railroad. But at that hour no train was due, which was a little curious; and another curious point was that they were all covered with mud and bore marks of having been engaged in some severe, rough labor. The hour was early; the dwellers in Council Bluffs were not yet astir. A little later the city was thrown into a fever of excitement by the news that the safe of the county treasurer at Glenwood, in Mills County, about thirty miles distant, had been robbed the previous night. No trace had yet been got of the thieves, but everything indicated that they were the same men who had robbed the safe at Magnolia. One remarkable point of similarity in the two cases was the means employed by the robbers in escaping, a hand-car having been used also by the Glenwood thieves; and they, too, were believed to have fled in the direction of Council Bluffs. Investigation soon made this absolutely certain, for the missing hand-car was found lying beside the railroad, a short distance from the Council Bluffs station.