In fact, the material collected by Siddique was a virtual encyclopedia of terrorist knowledge acquired over time by Al-Qaida and its associates. It was also a remarkable who’s-who lineup of some of the most high profile figures in the “homegrown terrorism” market hailing from Al-Qaida’s military leadership. Though Western academics have tended to focus on the much-vaunted role of Abu Musab al-Suri (a.k.a. Mustafa Setmariam Nasar) in this respect, actual case studies are consistently demonstrating that the teachings of other competing strategists have been far more influential in Al-Qaida circles, arguably none more so than those published by the late Saudi Al-Qaida commander Shaykh Youssef al-Ayyiri. Known to his supporters as “the Swift Sword,” al-Ayyiri (a.k.a. “Al-Battar”) reportedly first joined the Arab mujahideen fighting in Afghanistan at age 18.