When at last the detective disclosed his identity the blackmailer at first refused to believe him, and then literally rolled on the floor in his agony and fear at discovering how he had been hoodwinked.

The next day he disappeared and has not been heard of since, but his letters are in my vault, ready to be used if he again puts in an appearance.
The records of the police and of the private agencies contain many instances where murderers have confessed their guilt long after the crime to supposed friends, who were in reality decoys placed there for that very purpose.

It is a peculiarity of criminals that they cannot keep their secrets locked in their own breasts.

The impulse to confession is universal, particularly in women.

Egotism has some part in this, but the chief element is the desire for companionship.