Dave Grossman

Lt. Col. Dave Grossman, U.S. Army (Ret.) is an internationally recognized scholar, author, soldier, and speaker. He is one of the world's foremost experts in the field of human aggression, the roots of violence, and violent crime. He is an Army Ranger, a former West Point psychology professor, and is a renowned trainer for military and law enforcement officers. His books include On Killing, On Combat, On Spiritual Combat, On Hunting, and Assassination Generation.