With a gesture of apology, the doctor opened the envelope. "Very well," he said, in a moment or two. "I need not write an answer. But go to the library, Proctor, and ring up the North London Prison. Say Doctor Morton Sims' thanks and he will be there punctually at half past eight." The servant withdrew and both the ladies looked inquiringly at the doctor. "It is a dreadful thing," he said, after a moment's hesitation, "but I may as well tell you. It must go no further though. A wretched man is to be executed to-morrow and I have to go and see him." Edith shuddered. "How frightful," she said, growing rather pale; "but why, John? How does it concern you? Are you forced to go?" He nodded. "I must go," he said, "though it is the most painful thing I have ever had to do. It is Hancock, the Hackney murderer." Two startled faces were turned to him now, and a new atmosphere suddenly seemed to have come into the warm luxurious room, something that was cold, something that had entered from outside. "You don't know," he went on. "Of course you have been out of England for some months. Well, it is this. Hancock is a youngish man of five and twenty. He was a chemist at Hackney, and of quite exceptional intelligence. He was at one time an assistant at Williamsons' in Oxford Street, where some of my prescriptions are made up and where I buy drugs for experimental purposes. I took rather an interest in him several years ago. He passed all his examinations with credit and became engaged to a really charming young woman, who was employed in a big ladies' shop in Regent Street. He wanted to set up in business for himself, very naturally, and I helped him with a money loan. He married the girl, bought a business at Hackney, and became prosperous enough in a moderate sort of way. He paid me back the hundred pounds I lent him and from time to time I heard that things were going on very well. He was respected in the district, and his wife especially was liked. She was a good and religious woman and did a lot of work for a local church. They appeared to be a most devoted couple." The doctor stopped in his story and glanced at the set faces turned towards him. He poured some water into a tumbler and drank it. "Oh, it's a hideous story," he said, with some emotion and marked distaste in his voice. "I won't go into the details. Hancock poisoned his wife with the most calculating and wicked cunning. He had become enamoured of a girl in the neighbourhood and he wanted to get rid of his wife in order to marry her. His wife adored him. She had been a perfect wife to him, but it made no difference. The thing was discovered, as such things nearly always are, he was condemned to death and will be hanged to-morrow morning at breakfast time." "And you are going to see him _to-night_, John?"