UK production company Visionin Production (VIP) has acquired the rights to Jon King and John Beveridge's PrincessDiana: The Hidden Evidence and plansto shoot a thriller based on the book.

The film Hidden Truth, about journalist King's investigation into PrincessDiana's death and his questioning if there was a cover-up, is currently inpre-production at Pinewood Studios.Simon Fellows who will direct and the producer will be William PCartlidge, who previously worked on Educating Rita and The Spy Who Loved Me.

John Douglas Bryant adaptedthe screenplay. Casting is ongoing.

"We plan to start shootingas soon as casting and finance arrangements are completed," said executiveProducer Len Evans. He noted that the budget would be about $5m and a late springshoot was likely.