Since her fatal car crash in , Princess Diana's life and death have been the subject of conspiracy theories ranging from SAS murder, pregnancy rumours and Dodi Fayed being the real target. The latest theory suggests Diana was murdered because she kept a dossier of the Royal Family's sex secrets. IBTimes UK looks at some of the most scandalous conspiracies surrounding the late princess. According to investigative writer Alan Power, Diana kept an X-rated diary about all the sordid affairs going on in the Royal Family. Power said he made the discovery while writing his book, The Princess Diana Conspiracy. He said she wrote about Prince Charles's sex antics with Camilla Parker Bowles, as well as other members of the family. But it also directly endangered the monarchy.