The 9/11 Conspiracy Theory of a ‘Controlled Demolition' Is Impossible: An Expert Explains

One of the most widely spread conspiracy theories about the 9/11 terror attacks was that the World Trade Center was brought down in a “controlled demolition” rather than by the hijacked airplanes. NBCLX’s Mackenzie Brehm found an expert who has thoroughly debunked this theory for a series that looks at the questions that Millennials and members of Gen Z have about the attacks and their aftermath.