In 1961, United Nations secretary-general Dag Hammarskjöld’s plane mysteriously crashed, leaving no known survivors. It’s understood that because Hammarskjöld was, at the time, advocating for Congo’s independence (against the wishes of European mining companies and other powerful entities), the “crash” was an assassination. With the case still unsolved 50-plus years later, Danish journalist, filmmaker, and provocateur Mads Brügger (The Red Chapel, The Ambassador) leads us down an investigative rabbit hole