Abu Mus'ab al-Suri remains the foremost theoretician in the global jihadist movement today, despite his capture in Pakistan in late 2005. After having participated in the founding of Al-Qaeda in Afghanistan in 1988, al-Suri, whose real name is Mustafa Sethmarian Nasar, trained a whole generation of young jihadis at his camps in Afghanistan. When he moved back to Spain in the early 1990s, al-Suri took part in establishing Al-Qaeda networks in Europe...