"Levi concentrated on the "gray zone of protekcya [corruption] and collaboration" that flourished in the camps among a spectrum of victims: from the "picturesque fauna" of low-ranking functionaries husbanding their minuscule advantages over other prisoners; through the truly privileged network of Kapos, who were free "to commit the worst atrocities at whim; to the terrible fate of the Sonderkommandos, who prolonged their lives by manning the gas chambers and crematoria. (Conceiving and organizing the Sonderkommandos was in Levi's opinion National Socialism's "most demonic crime".)"

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