3 Lord Dyson's report into the BBC and Martin Bashir is expected to reveal how they 'breached guidelines'Credit: PA 3 Martin Bashir used 'deceitful methods' to secure the Diana interview, the Telegraph reportsCredit: AP The six-month inquiry conducted by Lord Dyson will reportedly condemn senior BBC executives at the time over allegations of a cover up, according to the Telegraph. According to the newspaper, the retired judge has concluded that Bashir mocked up bank statements that were shown to Earl Spencer and allegedly used to win over his trust and gain access to his sister. A source said: "It will be a true eye-opener."