World Trade Center controlled demolition conspiracy theories. Aerial view of the debris field of the North Tower, 6 WTC, and 7 WTC (upper right) World Trade Center controlled demolition conspiracy theories contend that the collapse of the World Trade Center was not solely caused by the airliner crash damage that occurred as part of the September 11, 2001 attacks, and the resulting fire damage, but by explosives installed in the buildings in advance. Early advocates such as physicist Steven E.
Jones, architect Richard Gage, software engineer Jim Hoffman, and theologian David Ray Griffin, argued that the aircraft impacts and resulting fires could not have weakened the buildings sufficiently to initiate a catastrophic collapse, and that the buildings would not have collapsed completely, nor at the speeds that they did, without additional energy involved to weaken their structures.
 The National Institute of Standards and Technology (NIST) and the magazine Popular Mechanics examined and rejected these theories. Category:September 11 attacks. Rudy Giuliani during the September 11 attacks. Donald Rumsfeld and Rudy Giuliani at the site of the World Trade Center, on November 14, 2001.
As Mayor of New York City during the September 11 attacks in 2001, Rudy Giuliani played a visible role in the response to the terrorist attack against the World Trade Center towers in New York City. For this he earned great praise at the time, but he has also become the subject of criticism in some quarters regarding preparedness before the attack and aspects of the response afterwards. Preparedness before the attacks Awareness of Islamic terrorism Giuliani has been criticized for ignoring the ongoing threat to New York City from Islamist terrorism in the years between the World Trade Center 1993 bombings and September 11. Category:Aftermath of the September 11 attacks. Category:September 11 attacks. September 11 attacks advance-knowledge debate. This article is about 9/11 conspiracy theories.
For historical discussion, see September 11 intelligence prior to the attacks. The 9/11 advance-knowledge conspiracy theories center on arguments that certain institutions or individuals other than the perpetrators had foreknowledge of the September 11 attacks. Some of the primary concerns include whether the Bush administration or United States Armed Forces had awareness of the planned attack methods, the precise volume of intelligence that American agencies had regarding al-Qaeda activities inside the United States, whether the put options placed on United Airlines and American Airlines and other trades indicate foreknowledge, and why the identities of the traders have never been made public. Using planes as missiles September 11 attacks. The September 11 attacks (also referred to as September 11, September 11th, or 9/11)[nb 1] were a series of four coordinated terrorist attacks launched by the Islamic terrorist group al-Qaeda upon the United States in New York City and the Washington, D.C. metropolitan area on Tuesday, September 11, 2001.
Four passenger airliners were hijacked by 19 al-Qaeda terrorists so they could be flown into buildings in suicide attacks. Two of those planes, American Airlines Flight 11 and United Airlines Flight 175, were crashed into the North and South towers, respectively, of the World Trade Center complex in New York City. Within two hours, both towers collapsed with debris and the resulting fires causing partial or complete collapse of all other buildings in the WTC complex, as well as significant damage to ten other large surrounding structures.
Attentats du 11 septembre 2001. 9/11 conspiracy theories. The collapse of the two World Trade Center towers and the nearby WTC7 (in this photo, the brown building to the left of the towers) is a major focus of 9/11 conspiracy theories. 9/11 conspiracy theories attribute the planning and execution of the September 11 attacks to parties other than, or in addition to, al-Qaeda or claim there was advance knowledge of the attacks among high-level government officials. Government investigations and independent scientific reviews have found no evidence for the theories. Proponents of these conspiracy theories claim there are inconsistencies in the official conclusions, or evidence which was overlooked.
Théories du complot à propos des attentats du 11 septembre 2001. Portal:September 11 attacks.