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Al Qaeda's London Branch: Patterns of Domestic and Transnational Network Integration

This article seeks to shed light on the ongoing debate about the extent of Al Qaeda's involvement in homegrown jihadist conspiracies in the West. Focusing on the London-based jihadist movement in the 1998–2008 decade, the article uses network analysis to test the domestic and transnational integration of Western networks. The evidence stems from an extensive database of individuals involved in jihadist terrorist conspiracies in the West compiled by the authors. Results show that Al Qaeda developed a branch organization in the United Kingdom during that period. A sociogram of U.S.-based networks is indicative of a dispersed topography, and a comparison shows the British model may not be representative of Western networks overall.