Whenever any of the two or three hundred officers of the Detective Bureau make an arrest, in or out of the city, the prisoner is forthwith taken to Police Headquarters, where his measurements and picture are taken for the Rogues’ Gallery. And all this is done before they have found out whether he is innocent or guilty. Indeed, it frequently occurs that the pictures of innocent men remain in the Gallery for years. Once there, they are not removed, unless by order of the Supreme Court. But if an appeal is made to the Commissioner of the Police, he will remove an offending picture if you can show that you were innocent of the crime charged against you, and were never arrested for a crime previously. Up to the first of January, 1909, the total number of pictures in the Rogues’ Gallery was as follows: New York, 82,363; Brooklyn, 13,264; total, 95,627. This besides over 7,000 finger marks taken from August, 1906, till same date. According to the best judicial authorities, the police have no right to take the picture of a man accused of crime and place it in the Rogues’ Gallery till after his conviction. For “mugging” Banker Jenkins, in defiance of Justice Burr’s order, Captain Kuhne, of the Brooklyn Detective Bureau, was sentenced to thirty days in Raymond street Jail, and fined $500 besides. The case was submitted to the highest court in the State, and last June the Court of Appeals decided that the sentence passed on the Police Captain was just. After a time, “mugging” contrary to law may become an unprofitable business. The question as to the number of criminals in New York city is one of the most difficult to answer. The best that can be said is to offer an unofficial conjecture. We went to Police Headquarters and presented it to different men, but nearly all refused to volunteer an answer. One officer said: “If you mean by criminals those persons who have been in jail all the way from one to ten times, but who now enjoy their liberty, then there must be at least seventy-five thousand of such people in this city.” But then this is only a conjecture. We have no means of knowing to an absolute certainty the number of criminals in New York. During the fall and winter, when there are great social gatherings in the city, thousands of crooks invade Manhattan, and live at the best hotels. When they leave, they usually take with them enough money and valuables to last for years.