Marc Sageman
American psychiatrist, former CIA operations officer, and leading scholar of terrorism and radicalization, best known for the books Understanding Terror Networks and Leaderless Jihad.
Books
This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.
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1. Leaderless Jihad
Terror Networks in the Twenty-First Century
Explores how the contemporary jihadist threat has shifted from a hierarchical organization to a decentralized, bottom-up phenomenon driven by small, self-organized groups and individuals linked by friendship, kinship, and online ties. Using case studies, it outlines a common pathway to violence—moral outrage refracted through a militant worldview, validated by peers, and activated by opportunity—while challenging assumptions that poverty or mental illness are primary drivers. It recommends restrained, community-focused countermeasures that address grievances, disrupt enabling social networks, and avoid overreactions that strengthen extremist narratives.
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