Well, Muhammad wrote the Qu'ran, the handbook of violence that Osama has mastered. Moreover, Muhammad set the example by slaughtering tens of thousands of innocent men, women, and children to spread his religion. So, in a most powerful way, Muhammad inspired the attacks of 9/11.
Unfortunately, Muhammad is dead. So you'll have to settle on completely destroying the men he inspired.
Go get 'em. Luis. Make 'em pay.