The Gestapo officers were furious that Ferdinand, a German national, had not reported for military duty, and they threatened to execute him as a traitor.
पुढील पाच महिन्यांसाठी, फर्डीनंटना तुरुंग कोठडीत ठेवण्यात आलं; तिथं त्यांना, गोळीनं उडवण्याची सतत धमकावणी दिली जायची.