Conan Doyle for the Defence

Just before Christmas 1908, Marion Gilchrist, a wealthy 82-year-old spinster, was found bludgeoned to death in her Glasgow home. A valuable diamond brooch was missing, and police soon fastened on a suspect - Oscar Slater, a Jewish immigrant who was rumoured to have a disreputable character. Slater had an alibi, but was nonetheless convicted and sentenced to death, later commuted to life imprisonme...