One of the most remarkable instances of the want of reticence in a great criminal and his detection through his own foolishness occurred in the case of the Stepney murderer, who betrayed himself to the police when they were really at fault and their want of acuteness was being made the subject of much caustic criticism. The victim was an aged woman of eccentric character and extremely parsimonious habits, who lived entirely alone, only admitting a woman to help her in the housework for an hour or two every day. She owned a good deal of house property, let out in tenements to the working classes. As a rule she collected the rents herself, and was believed to have considerable sums from time to time in her house. This made her timid; being naturally of a suspicious nature, she fortified herself inside with closed shutters and locked doors, never opening to a soul until she had closely scrutinised any visitor. It called for no particular remark that for several days she had not issued forth. She was last seen on the evening of the 13th of August, 1860. When people came to see her on business on the 14th, 15th, and 16th, she made no response to their loud knockings, but her strange habits were well known; moreover, the neighbourhood was so densely inhabited that it was thought impossible she could have been the victim of foul play. At last, on the 17th of August, a shoemaker named Emm, whom she sometimes employed to collect rents at a distance, went to Mrs. Elmsley's lawyers and expressed his alarm at her non-appearance. The police were consulted, and decided to break into the house. Its owner was found lying dead on the floor in a lumber-room at the top of the house. Life had been extinct for some days, and death had been caused by blows on the head with a heavy plasterer's hammer. The body lay in a pool of blood, which had also splashed the walls, and a bloody footprint was impressed on the floor, pointing outwards from the room. There were no appearances of forcible entry to the house, and the conclusion was fair that whoever had done the deed had been admitted by Mrs. Elmsley herself. A possible clue to the criminal was afforded by the several rolls of wall-paper lying about near the corpse. Mrs. Elmsley was in the habit of employing workmen on her own account to carry out repairs and decorations in her houses, and the indications pointed to her having been visited by one of these, who had perpetrated the crime. Yet the police made no useful deductions from these data.