Much of this line of conspiracy theory has been stimulated by a debunked book titled The Holy Blood and the Holy Grail (1982), which claimed that Jesus and Mary Magdalene were lovers and that their offspring and descendants were secretly hidden in Europe following the death of Jesus, from whom the then-living French draughtsman Pierre Plantard claimed descent. Interest in this hoax saw a resurgence following the publication of Dan Brown's 2003 novel The Da Vinci Code. [154] Peter Barber (June 7, 2008). "The Truth Is Out There". Financial Times . Retrieved September 20, 2009. a b c d Summers, Anthony; Swan, Robbyn (2011). The Eleventh Day: The Full Story of 9/11 and Osama bin Laden. New York: Ballantine. p. 92. ISBN 978-1-4000-6659-9.

The mistaken belief that a handful of unexplained anomalies can undermine a well-established theory lies at the heart of all conspiratorial thinking. All the evidence for a 9/11 conspiracy falls under the rubric of this fallacy. Such notions are easily refuted by noting that scientific theories are not built on single facts alone but on a convergence of evidence assembled from multiple lines of inquiry." [239] a b c d e David Aaronovitch (April 29, 2009). "9/11 conspiracy theories: The truth is out there... just not on the internet". The Times. London. Archived from the original on July 21, 2009 . Retrieved September 6, 2009.

Conspiracy Theorists Thriving". CBS News. August 6, 2006. Archived from the original on December 24, 2007 . Retrieved July 12, 2009.

a b c "Debunking the 9/11 Myths: Special Report". Popular Mechanics. Archived from the original on October 24, 2010 . Retrieved July 20, 2009. Weigel, David (April 25, 2011). "You're All Nuts! How America became the land of Truthers, Triggers, Birthers, and Dan Brown fans". Slate.com . Retrieved May 30, 2011. Gravois, John (June 23, 2006). "Professors of Paranoia?". The Chronicle of Higher Education . Retrieved September 26, 2009.

11. There’s a hidden chamber filled with government secrets behind Mount Rushmore

Schmitt, Richard (June 23, 2004). "The 9/11 Commission Report; Panel Calls for Single Intelligence Chief". Los Angeles Times. The Conspiracy Files (Television production). BBC News. February 18, 2007 . Retrieved January 1, 2010. Architects and Engineers Seek 9/11 Truth". KGO Newstalk. June 3, 2009. Archived from the original on August 2, 2009 . Retrieved June 3, 2009. NCSTAR 1. Final Report on the Collapse of the World Trade Center Towers" (PDF). NIST. September 2005. p.129. Archived (PDF) from the original on November 8, 2009 . Retrieved December 1, 2009. Timeline: the al-Qaida tapes The Guardian Unlimited". The Guardian. London . Retrieved July 20, 2009.

A leading Japanese politician espouses a 9/11 fantasy Washington Post March 8, 2010". The Washington Post. March 8, 2010 . Retrieved October 15, 2010. Audit Bureau of Circulations Ltd". Nmauk.co.uk. February 23, 2009. Archived from the original on May 1, 2009 . Retrieved July 20, 2009. Carroll, Robert Todd (March 30, 2006). "Mass Media Bunk – 9/11 conspiracies: the war on critical thinking". The Skeptic's Dictionary.

Barry, Ellen (September 10, 2006). "9/11 Conspiracy Theorists Gather in N.Y." Los Angeles Times. Archived from the original on June 17, 2009 . Retrieved May 30, 2009. a group known as the 9/11 Truth Movement