Morris' latest, an investigation into whether the CIA assassinated one of its own scientists, pushes the boundaries of "documentary" further than ever before.
Steven Spielberg's movie captures the essence of the Cold War in the tale of a man whose "legend" was so encompassing, U.S. agents did not learn his true identity until the Soviet Union started to collapse.
As questions swirl around U.S. efforts to keep people with terrorism ties from entering the country, the story of Rahinah Ibrahim is a cautionary tale.