How is an aggressive crowd formed and how is it manipulated? Is it possible to counter mass panic before and after it occurs? How do rumors spread, and how can you learn to prevent and eliminate them? What are “dirty technologies” and “black PR”? Discussion of these and related issues in lectures is accompanied by an analysis of a large number of specific examples from scientific and fiction literature, as well as the author’s many years of practical experience in the USSR, Russia and abroad. For students studying social and political psychology, employees of consulting, security firms and the Ministry of Emergency Situations, officers of the Russian Army, IMF, Ministry of Internal Affairs, FSB, activists of political parties, as well as for a wide range of readers.