One of al-Qaeda's founding leaders, Dr Fadl, has begun an ideological revolt against Osama bin Laden, blaming him for "every drop" of blood spilt in Afghanistan and Iraq.
Sayyid Imam al-Sharif, who goes by the nom de guerre Dr Fadl, helped bin Laden create al-Qaeda and then led an Islamist insurgency in Egypt in the 1990s.
But in a book written from inside an Egyptian prison, he has launched a frontal attack on al-Qaeda's ideology and the personal failings of bin Laden and particularly his Egyptian deputy, Ayman al-Zawahiri.
Twenty years ago, Dr Fadl became al-Qaeda's intellectual figurehead with a crucial book setting out the rationale for global jihad against the West.
Today, however, he believes the murder of innocent people is both contrary to Islam and a strategic error. "Every drop of blood that was shed or is being shed in Afghanistan and Iraq is the responsibility
|Liveleak on Facebook|