the fate of his predecessors as AQI leader, al-Baghdadi insisted on extreme secrecy, so few people knew where he was. AQI prisoners either say they never met him or, when they did, that he was wearing a mask.
Taking advantage of the Syrian civil war, al-Baghdadi sent experienced fighters and funds to Syria to set up JAN as the al-Qaeda affiliate in Syria. He split from it in 2013, but remained in control of a great swath of territory in northern Syria and Iraq.
Against fragmented and dysfunctional opposition, al-Baghdadi has moved fast towards establishing himself as an effective, albeit elusive, leader. The swift rise of ISIS since he took charge has been greatly helped by the uprising of the Sunni in Syria in 2011, which encouraged the six million Sunnis in Iraq to take a standagainst the political and economic marginalization they have encountered since the fall of Saddam Hussein.
ISIS launched a well-planned campaign in 2013, including a successful assault on Abu Ghraib prison in the summer of that year to free its leaders and experienced fighters. The military sophistication of ISIS is far greater than the al-Qaeda organization from which it emerged, even at the peak of its success in 2006–7 before the Americans turned many of the Sunni tribes against it.
ISIS has the great advantage of being able to operate on both sides of the Syrian-Iraqi border. Though inside Syria ISIS is engaged in an intra-jihadi civil war with JAN, Ahrar al-Sham, and other groups, it still controls Raqqa and much of eastern Syria outside enclaves held by the Kurds close to the Turkish border. Jessica D. Lewis of the Institute for the Study of War, in a study of the jihadi movement at the end of 2013, described it as “an extremely vigorous, resilient and capable organization that can operate from Basra to coastal Syria.” Though the swiftly growing power of ISIS was obvious to those who followed its fortunes, the significance of what was happening was taken on board by few foreign governments, hence the widespread shock that greeted the fall of Mosul.
In expanding its influence, ISIS has been able to capitalize on two factors: the Sunni revolt in neighboring Syria, and the alienation of the Iraqi Sunni by a Shialed government in Baghdad. Protests by the Sunnis that started in December 2012 were initially peaceful. But a lack of concessions by Prime Minister Nouri al-Maliki together with a massacre at a peace camp at Hawijah in April 2013, which was stormed by the Iraqi army and resulted in the deaths of over fifty protestors, transmuted peaceful protest into armed resistance. In the parliamentary election of April 2014, Maliki presented himself primarily as the leader of the Shia who would quell a Sunni counterrevolution centered in Anbar. After Mosul, Maliki was blamed for refusing reform that might have blunted the appeal of ISIS, but he was not the only Shia leader who believed that the Sunni would never accept the loss of their old dominance.
The general Sunni hostility to Maliki as a proponent of sectarianism had enabled ISIS to ally itself with seven or eight Sunni militant groups with which it had previously been fighting. Mr. Maliki is not to blame for everything that has gone wrong in Iraq, but he played a central role in pushing the Sunni community into the arms of ISIS, something it may come to regret. Paradoxically, although he did well in the April 2014parliamentary election by frightening the Shia voters with talk of a Sunni counterrevolution, he behaved as if this was merely an electoral ploy and seemed not to realize how close the Sunni were to an actual insurrection, using ISIS as their shock troops.
In this failing, he ignored some pretty obvious warning signs. At the start of 2014, ISIS had taken over Fallujah forty miles west of Baghdad as well as extensive territory in Anbar, the huge province encompassing much of western Iraq. In March, its gunmen paraded through Fallujah’s streets to show off their recent
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