A Clue
Thanks Delphine

Police found a woman dead in her study. She was slumped over her desk with a gun in her hand. A cassette recorder was on her desk. When the police entered the study, they pressed the play button on the tape recorder. The police heard: “I can’t go on. I have nothing to live for.” Then there was the sound of a gunshot. Question : How did the police know that the woman had been murdered, that it wasn’t a suicide? See answer