Transcript for Prince William responds to BBC investigation into Princess Diana interview
First prince William, he is opening up about that investigation into the infamous interview with his mother, princess Diana. After allegations that forged documents were used to get her to sit down for the one-on-one. James Longman is at Buckingham palace with more. Good morning, James. Reporter: Good morning, Michael. There were three of us in that marriage, those are the extraordinary words uses by princess Diana in that interview that shocked the palace and the world. Now, there's an investigation taking place into just how that interview happened to begin with and for the first time, prince William is weighing in. An unprecedented intervention. Prince William weighing in to the drama surrounding his mother's infamous bbc interview saying he tentatively welcome the bbc's decision to launch an investigation into how it cam bacalling it a step in the right direction and saying it should help establish the truth behind the actions that led to the panorama interview. Over 23 million people watched as princess Diana sat down with martin Bashir for the interview that shook the world and the royal family over two decades ago. Do you think Mrs. Parker Bowles was a facto inhe breakdown of your marriage? Well, there were three of news this marriage so it was a bit crowded. Rep but how Bashir got the princess to talk to him is now under investigation. Her brother Earl Spencer alleges Bashir peddled lies and smears in order to convince Diana to speak exclusively with him. Bashiret to respond to the claims. The bbc saying he's too ill to William and Harry are we Willy keen to make sure their mother's legacy is protected and that she is remembered faithfully for who she was. This interview was a huge moment in her life and I think the statement shows that William is really keen on the facts around it being established for the record. Reporter: Can comes as Diana's troubles are in "The crown." Her character is seen struggling with prince Charles' long affair with Camilla parker Bowles. You know how loves to surround himself with dreary old men and daddy substitutes. No. Darling, you really know nothing, do you? There's bound to be concern that this fictional character will lead to how they're perceived. Millions are watching this program around the world. Reporter: Part ofhe investigation will focus on whether bank statements were forged. These are allegations to convince princess Diana that members of the royal household were being paid for information. There is a lot to uncover here. Michael. Definitely was an eye-opening interview. Thank you so much. Now as we approach
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