Humans are tribal creatures who readily form groups to compete with other groups (as we saw in chapter 3). Sociologist Emile Durkheim’s work illuminates the way those groups engage in rituals—including the collective punishment of deviance—to enhance their cohesion and solidarity. Cohesive and morally homogeneous groups are prone to witch hunts, particularly when they experience a threat, whether from outside or from within. Witch hunts generally have four properties: they seem to come out of nowhere; they involve charges of crimes against the collective; the offenses that lead to those
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