In Fear, Jan T. Gross addresses a vexing question: How was this possible? At the center of his investigation is a detailed reconstruction of the Kielce pogrom and how ordinary Poles responded to the spectacle of Jews being murdered by their fellow citizens. Anti-Semitism, Gross argues, became a common currency between the Communist regime and a society in which many were complicit in the Nazi campaign of plunder and murder—and for whom the Jewish survivors were a standing reproach.