A SECOND PROBLEMNext morning every newspaper in London had the striking headline:
NOTED DETECTIVE MURDERED
Underneath this it was told how the body of Mr. Robert Cardwell, the well-known private investigator, had been found by a policeman at midnight, lying in Ivy Walk, one of those steep narrow by-ways characteristic of Hampstead. His car stood close at hand, undamaged. Mr. Cardwell had been shot through the head, and his pockets had been rifled. Robbery had evidently been the motive of the deed, and most of the papers had leading articles deploring the extraordinary increase of crimes of this character in recent years, and the apparent helplessness of the police against them. There was also some declamation about the necessity of inflicting more stringent penalties as a deterrent again
