Page:The Sign of Four.pdf/160

151. By a singular piece of good fortune, Mr. Athelney Jones, the well-known member of the detective police force, happened to be at the Norwood Police Station, and was on the ground within half an hour of the first alarm. His trained and experienced faculties were at once directed towards the detection of the criminals, with the gratifying result that the brother, Thaddeus Sholto, has already been arrested, together with the housekeeper, Mrs. Bernstone, an Indian butler named Lal Rao, and a porter, or gatekeeper, named McMurdo. It is quite certain that the thief or thieves were well acquainted with the house, for Mr. Jones's well-known technical knowledge and his powers of minute observation have enabled him to prove conclusively that the miscreants could not have entered by the door or by the window, but must have made their way across the roof of the building, and so through a trap-door into a room which