On Sept. 5, 1972, a 32-year-old producer named Geoffrey S. Mason was working in a control room for ABC Sports in Munich while 12 hostages, including several members of the Israeli Olympic delegation, were being held in a building nearby. As Mason’s team was in the midst of covering the breaking news—having pivoted from their regularly scheduled athletic programming—the doors suddenly burst open and Mason found himself staring through the cigarette haze at German police machine guns pointed straight at his face.