(Episode 827: 20 minutes 42) Listen on iTunes.
What really happened on 9-11? We all watched the horrific events unfold, but did the planes really bring the buildings down?
Architects and Engineers for 9-11 Truth comprises more than 1,500 architects and engineers who believe the buildings collapsed as the result of a controlled implosion. They question the official findings and are calling for an independent inquiry into the building collapses.
Robert McCoy has been an architect in California since the 1960s. Most of his experience has been in high-rise steel buildings. He says buildings like the World Trade Centre were designed to withstand the impact of aircraft.
If he's right, it raises questions around the need for more effective security procedures around all tall buildings. Otherwise, the same thing could happen again.