Few beyond the intelligence service had heard of Zarqawi when Washington made him a terrorist superstar, declaring to the world in 2003 that this obscure Jordanian was the link between Iraq’s dictatorship and the plotters behind the September 11, 2001, terrorist attacks. The claim was wrong, yet, weeks later, when U.S. troops invaded Iraq, the newly famous and well-funded terrorist gained a battleground and a cause and soon thousands of followers.