"It's obviously very slanted against Prince Charles and Camilla. If alive, she would be allowed to make the decision [to challenge it] and I don't agree with it being done," he added.
Fellow biographer Penny Junor said, "It looks like a guy who's got a very vulnerable young woman in the room with him. It really is a nasty piece of programming and I think it will cause a great deal of upset."
Source : http://www.independent.ie/entertainment/television/princess-diana-biographers-blast-channel-4-documentary-as-gratuitous-and-a-nasty-piece-of-programming-36011193.html
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