The publication of "Trafics et crimes sous l'occupation" aroused strong reactions from former members of the Waffen-SS, orchestrated by Otto Weidinger, in concert with Heinz Lammerding and Albert Stückler. Notably, through German and French intermediaries, Otto Weidinger strongly influenced the writing of the book by Leopold Gaubusseau. The latter confirmed in a letter to Weidinger, dated 12 July 1968: "in France, communism is free. Its propaganda is powerful and scientific. […] In 1945, communist propaganda was using Tulle and Oradour to its benefit. It said: "Das Reich", it is fascism, devastation, death." The servility of Gaubusseau is mentioned in a letter from Weidinger to Lammerding: "for Dr Gaubusseau, it was intended primarily to refute prominently the negative affirmations and distortions of Delarue. […] He asked me to submit to you a request to organize a joint meeting. […] Dr Gaubusseau is convinced that you are not responsible and would absolutely like to know you." One of the German intermediaries, Helmut Grützmacher, agreed with that opinion in writing: "It is touching in a way to see how it works to preserve the division "Das Reich" and Germany in these tragic events by making Schmald and thus the Sicherheitsdienst responsible."