Nobody quite knows how Angel Esquire came to occupy the position he does at Scotland Yard. On his appointment, ""An Officer of Twenty Years' Standing"" wrote to the Police Review and characterized the whole thing as ""a job."" Probably it was. For Angel Esquire had been many things in his short but useful career, but never a policeman. He had been a big game shot, a special correspondent, a ""scratch"" magistrate, and his nearest approach to occupying a responsible position in any police force in the world was when he was appointed a J.P. of Rhodesia, and, serving on the Tuli Commission, he hanged M'Linchwe and six of that black desperado's companions. His circle of acquaintances extended to the suburbs of London, and the suburbanites, who love you to make their flesh creep, would sit in shivering but pleasurable horror whilst Angel Esquire elaborated the story of the execution. In Mayfair Angel Esquire was best known as a successful mediator....