"The monk’s purpose is the Church’s purpose," Teabing replied, "to destroy the documents that reveal the great deception.
According to Sophie, Langdon had been called to the Louvre tonight not as a symbologist but rather as a suspect and was currently the unwitting target of one of DCPJ’s favorite interrogation methods—surveillance cachée—a deft deception in which the police calmly invited a suspect to a crime scene and interviewed him in hopes he would get nervous and mistakenly incriminate himself.
There are no more uses of "deception" in the book.
Show samples from other sources
However, like all dangerous deceptions, the lies that clappers tell themselves wear seductive disguises.
Neal Shusterman -- Unwind
Not to know after all these years that deception can hide in plain sight?