His habits of personally investigating matters still clung to him, and it is well remembered how he went around at odd hours of the day and night, and on Sundays, seeing if the policemen were really doing their duty. There had been a boast that all policemen were at their posts at night. Mr. Roosevelt went out once and found just two out of an even dozen where they should be. Then began that "shaking up" that has resulted in better police service in New York to this day.