How should we assess a confession by a prisoner serving a life sentence for murder who says that he has committed other murders?
Let me tell you a story.
You will have heard of a French serial killer called Charles Sobhraj through the nicknames that have been given to him by the media – “the bikini killer” and “the Serpent,” especially as this second name was used as the title for an eight-part drama series about him and which was broadcast on the BBC last year.
