Bellamy Claims 9/11 Was An Inside Job…. Muse frontman Matt Bellamy has sensationally claimed 9/11 was an “inside job”, insisting the attack on the Twin Towers and the Pentagon was orchestrated to give America a perfect an excuse to invade Iraq.Bellamy is convinced the US government knows more information surrounding the attack on their country in September 2001 than the public is aware of.The outspoken singer says, “September 11 is clearly an inside job, there’s massive evidence that suggests that it was either allowed to happen or even worse, deliberately made to happen.