Behind The Shield

Lt. Col. Dave Grossman is an internationally recognized scholar, author, soldier, and speaker who is one of the world’s foremost experts in the field of human aggression and the roots of violence and violent crime. Col. Grossman is a former West Point psychology professor, Professor of Military Science, and an Army Ranger who has combined his experiences to become the founder of a new field of scientific endeavor, which has been termed “killology.” In this new field Col. Grossman has made revolutionary new contributions to our understanding of killing in war, the psychological costs of war, the root causes of the current "virus" of violent crime that is raging around the world, and the process of healing the victims of violence, in war and peace. Lt. Col. David Grossman is the author or co-author of five non-fiction and four fiction books. He has co-authored a New York Times bestselling book with Glenn Beck. His book On Killing has sold over a half million copies world-wide, has been translated into five