“Germans denounced one another with such gusto that senior Nazi officials urged the populace to be more discriminating as to what circumstances might justify a report to the police. Hitler himself acknowledged, in a remark to his minister of justice, “we are living at present in a sea of denunciations and human meanness.” (Emphasis mine.) – In the Garden of Beasts, Erik Larson, New York, Crown Publishers, 2011.
In the Garden of Beasts is intriguing history. It reads like a novel.