How use ethnological methods to illuminate how the norms, values, mental maps concle violence

How does use ethnological methods to illuminate how the norms, values, mental maps concle violence

How does Jason De Leon’s reading The Land of Open Graves: Living and Dying on the Migrant Trail use ethnographic methods to illuminate how the norms,
values, mental maps, and/or symbols of a society can act to conceal harm or violence from view?