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 criticised the non-appearance of Blythe Brown and the vagueness of Dan Brown's evidence, saying, "He has presented himself as being a deep and thorough researcher...evidence in this case demonstrates that as regards DVC ["The Da Vinci Code"] that is simply not correct with respect to historical lectures...The reality of his research is that it is superficial." The judge also included a code in his judgment. Throughout the judgment, apparently random letters are italicised and these form the message. The letters in the first paragraphs spell "smithy code" and the rest appear as follows "jaeiextostgpsacgreamqwfkadpmqzv". This was subsequently decoded to read