It shook the world. But why do some suspect darker forces were at play?  

Stream 9/11 - Truth, Lies and Conspiracies on BBC Select

Half of Americans believe they haven’t been told the whole story about 9/11. We’ve all heard the conspiracy theories, but why do they continue to grip some people so tightly?  

Watch 9/11: Truth, Lies and Conspiracies and more acclaimed documentaries on BBC Select today. Restrictions apply*.

9/11: Truth, Lies and Conspiracies on BBC Select

In this thought-provoking exploration of one of America’s greatest tragedies, victims’ families, a senior politician and intelligence agency insiders discuss their belief that there’s much more to this story than we know.

BBC Select free trial

BBC Select is available on Amazon Prime Video Channels and the Apple TV app for only $6.99 a month. Start a 30-day free trial and watch a range of acclaimed documentaries from the BBC and beyond. Restrictions apply*.