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) disconcerting cipher and start an investigation. A noted British Grail historian named Sir Leigh Teabing tells them that the actual Holy Grail is explicitly encoded in Leonardo da Vinci's wall painting, "The Last Supper". Also searching for the Grail is a secret cabal within Opus Dei, an actual prelature of the Holy See, who wish to keep the true Grail a secret to prevent the destruction of Christianity. The film, like the book, was considered controversial. It was met with especially harsh criticism by the Roman Catholic Church for the accusation that it is behind a two-thousand-year-old cover-up concerning what