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 (film) using an ultraviolet system which creates crystal clear water, and the water is maintained at to create a comfortable environment to work in for both cast and crew. Alternate versions of Bettany's nude flagellation scenes were shot, in which he wears a black loincloth. Clips of these versions appear in the History Channel's "Opus Dei Unveiled" documentary, aired in summer 2006. At a conference on April 28, 2006, the secretary of the Congregation for the Doctrine of the Faith, a Vatican curial department, Archbishop Angelo Amato specifically called for a boycott of the film; he said the movie is "full