Twenty-five years ago, Panorama reporter Martin Bashir secured his global scoop interview with Princess Diana. Now, a new Panorama team fronted by journalist John Ware has carried out its own four-month investigation, with exclusive interviews and revelations from internal BBC documents. This is the inside story of how Martin Bashir obtained his career-defining interview, and how the BBC responded when it discovered he had faked bank statements and shown them to Diana’s brother, Earl Spencer.