This Afterword considers the articles in this special issue of Radical Americas. Reflecting on how a biographical lens can illuminate the past, it draws out some of the key findings of the special issue articles and interrogates their significance for understanding militancy in Latin America in the late twentieth century. Specifically, it explores what life histories can tell us about space and scale, and the opportunities and the costs of militancy during the Cold War in Latin America. It contends that there is more to learn and gain from thinking through a biographical lens going forward.