Walter Schellenberg. Memoirs (№ 377556)

Another blow has been the Advice to put me in the field of industrial espionage. In our Department, in charge of this work, served the elderly, seriously ill with diabetes L the inspector, who kindly called uncle Willie. His radio operator was a Communist who studied in Moscow, which consisted not only of CNG but also of the NSDAP and other Nazi organizations. But somehow he got sick and was forced to undergo surgery. Under anesthesia, he began to talk about the necessary change in the code. The doctor who operated on him he went to Muller and told him what had happened. Discovered thus the spy ring consisted of sixteen people.