It was only in April 1934, when Goering appointed Himmler deputy chief of the Prussian Secret Police, that the Gestapo began to expand as an arm of the S.S. and, under the guiding genius of its new chief, the mild-mannered but sadistic former chicken farmer, and of Reinhard Heydrich, a young man of diabolical cast20 who was head of the S.S. Security Service, or S.D. (Sicherheitsdienst), become such a scourge, with the power of life and death over every German.
