This work investigates the prevalence and social function of mob violence in the United States during the volatile period between 1828 and 1861. David Grimsted, a historian specializing in American cultural history, utilizes extensive archival research and contemporary newspaper accounts to analyze how collective violence was integrated into the political and social fabric of the antebellum era. He argues that mobbing was not merely an aberration but a recognized, albeit controversial, mechanism for expressing popular will and enforcing community norms before the Civil War.

Historians recognize this text as a definitive study on the mechanics of antebellum civil unrest. Scholars frequently cite Grimsted's work for its rigorous documentation and its nuanced exploration of how democratic ideals were paradoxically used to justify extra-legal violence.