The Case of Oscar Slater is a true crime book written by Arthur Conan Doyle in 1912. The book is based on the real-life case of Oscar Slater, a German Jew who was wrongfully convicted of the murder of Marion Gilchrist in Glasgow, Scotland in 1908. Doyle, who was known for creating the famous detective Sherlock Holmes, became involved in the case after Slater's conviction and subsequent appeal. The book provides a detailed account of the investigation,...