david sillitoe reported. the story that's emerged — that landmark interview with princess diana was based on a deceit. the dyson report concludes that fake documents were used to win the trust of princess diana's brother, that martin bashir was devious and dishonest. the bbc investigation was declared woefully ineffective. prince william says the deception fuelled his mother's paranoia and distrust. it is my view that the deceitful way the interview was obtained substantially influenced what my mother said. the interview was a major contribution to making my parents' relationship worse and has since hurt countless others. the bbc knew back in 1996 about the fake bank statements. lord dyson said the bbc knew martin bashir had lied when he said he had not shown them to earl spencer. the defence was this note from princess diana, saying she had not seen