Criticism of The Da Vinci Code "Smithy Code Jackie Fisher who are you Dreadnought", referring to the British admiral whom Judge Smith admires. As with the book, this secret message made use of Fibonacci numbers for its encoding. Dan Brown has been sued twice in The United States by author Jack Dunn who claims Dan Brown copied his book The Vatican Boys (1997) to create The Da Vinci Code, Angels & Demons and Brown's now famous character Robert Langdon. Jack Dunn calls Dan Brown's actions, "The Largest Literary and Movie Crime in History." At a conference on April 28, 2006 Archbishop Angelo Amato, the secretary of
The Da Vinci Code in the Philippines there an attack on the divinity of Jesus Christ, which was as vicious and as momentarily profitable as this venture of Dan Brown and Sony Film Productions." Although, the CBCP and Cardinal Rosales didn't categorically demand for a ban of the film, they have issued guidelines for Filipino Catholics on watching the film. Just like MTRCB's rating, Fr. Mario Sobrejuanite, vice chairman of the Catholic Bishops Conference of the Philippines-Catholic Initiative for Enlightened Movie Appreciation (CBCP-Cinema), rated "The Da Vinci Code" as R-18 and stated that the film is something that Catholics should not be afraid of. However, the CBCP-Cinema