恐怖的研究是由约翰·内威尔唐纳德·休斯敦约翰·弗拉瑟等主演James导演的未知片，1965年播出。When Watson reads from the newspaper there have been two similar murders near Whitechapel in a few days, Sherlock Holmes' sharp deductive is immediately stimulated to start its merciless method of elimination after observation of every apparently meaningless detail. He guesses right the victims must be street whores, and doesn't need long to work his way trough a pawn shop, an aristocratic family'…