Armchair detective Armchair detective An armchair detective is a fictional investigator who does not personally visit a crime scene or interview witnesses; instead, he or she either reads the story of the crime in a newspaper or has it recounted by another person. As the armchair detective never sees any of the investigation, the reader can attempt to solve the mystery on the same terms as the detective. The phrase possibly originates in a Sherlock Holmes story from 1893, "The Greek Interpreter", in which Holmes says of his brother Mycroft, "If the art of the detective began and ended in reasoning from
The Adventure of the Greek Interpreter a female pupil of Beeton School who can communicate with animals is kidnapped. She is made to interpret dog's language to find a bone of Neanderthal stolen from a laboratory and taken away by a dog but no clue is found. Holmes decides to solve the case with the help of his elder brother Mycroft and visits him in the Diogenes Club in Dealer house where he lives. Though Holmes is estranged from Mycroft, the brothers and Watson discover the bone and find out that it's Wilson Kemp, a pupil who lives in Dealer house stole it but Mycroft tries