Al Qaeda has changed its business model because the U.S. government and its allies have cut it off from the financial system and killed al Qaeda money men like Mustafa al Yazid and Abdul Ghani.

FORBES: The Financial Fallout Of Osama Bin Laden's Death

Al Qaeda has changed its business model in response to the U.S. government's success in cutting it off from the banking system and the killing of al Qaeda money men like Mustafa al Yazid and Abdul Ghani.

FORBES: Focus