Such were the singular circumstances in connection with the Resident Patient and the Brook Street Doctor. From that night nothing has been seen of the three murderers by the police, and it is surmised at Scotland Yard that they were among the passengers of the ill-fated steamer Norah Creina, which was lost some years ago with all hands upon the Portuguese coast, some leagues to the north of Oporto. The proceedings against the page broke down for want of evidence, and the Brook Street Mystery, as it was called, has never until now been fully dealt with in any public print.