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
Criticism of The Da Vinci Code the Congregation for the Doctrine of the Faith, a Vatican curial department, specifically called for a boycott of the film version of "The Da Vinci Code", characterizing the film as "full of calumnies, offenses, and historical and theological errors." The film was rated as "morally offensive" by the U.S. Conference of Catholic Bishops. In India, home to 30 million Christians (3% of the population), the Central Board of Film Certification gave the film an adult rating on condition that disclaimers saying it was a work of fiction were inserted at the beginning and end of the film. In contrast, some