Kherson was the the first major Ukrainian city to fall to Russian troops. With deep historical ties to Russia, it was not expected to be a center of resistance.But an army of citizen spies defied Moscow's expectations, and helped Ukrainian forces liberate the city last November.A year after Russia launched its invasion, NPR's Joanna Kakissis has the story of Kherson's partisans: teachers and accountants and landscape designers, who became eyes and ears for the Ukrainian military. In participating regions, you'll also hear a local news segment to help you make sense of what's going on in your community.Email us at considerthis@npr.org.