Books and Book Chapters by University of Dayton Faculty



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This book is the first general theory of the influence of norms—moral, legal and social—on genocide and mass atrocity.

How can we explain—and prevent—such large-scale atrocities as the Holocaust? In Unconscionable Crimes, Paul Morrow presents the first general theory of the influence of norms on genocide and mass atrocity. After offering a clear overview of norms and norm transformation rooted in recent work in moral and political philosophy, Morrow examines numerous twentieth-century cases of mass atrocity, drawing on documentary and testimonial sources to illustrate the influence of norms before, during, and after such crimes.

Morrow considers such key explanatory pathways as the erosion of moral norms through brutalization and demoralization, the exploitation of legal norms to legitimize persecution and deny violence, and the enduring influence of gender-based social norms on targets and perpetrators of atrocities. Key constraints on atrocities would include the revision of moral norms that have traditionally guided the conduct of soldiers and humanitarian aid workers, the strengthening of legal prohibitions on large-scale crimes through statutory and institutional reform, and the elimination of social norms prescribing silence about personal experience of atrocities. Throughout, Morrow emphasizes the differences among moral, legal, and social norms, which stand in different relations to real or perceived social practices, and exhibit different patterns of creation, modification, and elimination. Ultimately, he argues, norms of each kind are integral to the explanation and the prevention of mass atrocities.



Publication Date



MIT Press


Cambridge, MA


Other Sociology | Social Control, Law, Crime, and Deviance | Sociology


The document available for download is the book's introduction, provided with the permission of the author and the publisher. Permission documentation is on file.

This is for non-commercial, scholarly use only, from P. Morrow, Unconscionable Crimes: How Norms Explain and Constrain Mass Atrocities, ©2020 MIT, Cambridge, MA: The MIT Press, pp. 1-15.

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Unconscionable Crimes: How Norms Explain and Constrain Mass Atrocities