German theologian Dietrich Bonhoeffer, a leader of the Protestant resistance to the Nazi regime, was executed 80 years ago for his role on the fringes of a failed plot to assassinate Hitler. In the past decade, US Christian nationalists and others on the far-right have adopted Bonhoeffer as a patron saint, reading into his life and writings a theological reasoning for Christians to abandon pacifism in resistance to what they consider the evils of a repressive state. Valerie Hamilton reports from Munich.