The investigators were pretty interested in the Wilhelm's distant past and his personal contacts with figures of the First Liberation War i.e. Petro Bolbochan, Symon Petlura, Pavlo Skoropadsky, but the most attention was paid to cooperation with Maas, Pélissier, and Lidia Tulchyn. At his interrogation the Archduke tried to down play his role in the Ukrainian revolution, for example he claimed that in 1919 during times of Directoria in Kamianets-Podilsky he was an interpreter. Also in earlier protocols Habsburg said that the meeting near Innsbruck was dedicated to not making contacts between Frenchmen and OUN, but the fate of Ukrainians in the camps for displaced people. But with time recognized everything about what Novosad already managed to tell.