In the autumn of 2026, German prosecutors formally charged a German-Ukrainian dual national with aiding Russian intelligence services — a case that transforms the abstract language of geopolitical tension into the concrete reality of a single person, two passports, and a choice. The prosecution unfolds against a backdrop of heightened German vigilance since Russia's full-scale invasion of Ukraine, as Berlin works to raise the cost of foreign espionage on its soil. It is a reminder that the old craft of spying has not faded with the Cold War but has instead woven itself into the complexities of