One should not underestimate the power of persuasion by well-crafted propaganda films. D. W. Griffith's The Birth of a Nation in 1915 helped to resurrect Ku Klux Klan in Georgia; and Leni Riefenstahl's award-winning Triumph of the Will in 1935 helped fuel the rise of Nazism in Germany.

Counterterrorism and Cybersecurity: Total Information Awareness (2nd Edition), 2015