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Theories

Foreknowledge

It has been claimed that action or inaction by U.S. officials with foreknowledge was intended to ensure that the attacks took place successfully. For example, Michael Meacher, former British environment minister and member of Tony Blair's Cabinet said that the United States knowingly failed to prevent the attacks. Author David Ray Griffin alleges that the 9/11 conspiracy was considerably larger than the government claims and that the entire 9/11 Commission Report "is constructed in support of one big lie: that the official story about 9/11 is true."

Suspected insider trading

Just before 9/11 there was an "extraordinary" amount of put options placed on United Airlines and American Airlines stocks. Authorities believed, and some conspiracy theorists continue to maintain, that trading insiders may have known in advance of the coming events of 9/11 and placed their bets accordingly

Explosives

The plane crashes and resulting fires caused the collapse of the World Trade Center. Controlled demolition conspiracy theories say the collapse of the North Tower, South Tower, or of 7 World Trade Center was caused by explosives installed in the buildings in advance.

Home Types of Conspiracy Theories Cover-up allegations Works Cited Reflection