The Nazis, with the precision peculiar to them, used to register their operations in the concentration camps under the heading “under cover of the night (Nacht und Nebel).” The radicalism of measures to treat people as if they had never existed and to make them disappear in the literal sense of the word is frequently not apparent at first glance, because both the German and the Russian system are not uniform but consist of a series of categories in which people are treated very differently.
