File No. 113 by Emile Gaboriau

If there is one man in the world whom no event can move or surprise, who is always on his guard against deceptive appearances, and is capable of admitting everything and explaining everything, it certainly is a Parisian commissary of police.

While the judge, from his lofty place, applies the code to the facts submitted to him, the commissary of police observes and watches all the odious circumstances that the law cannot reach. He is perforce the confidant of disgraceful details, domestic crimes, and tolerated vices.