About the Author

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 a former West Point psychology professor and is currently the director of the Warrior Science Group. His books include On Killing, On Combat, and Stop Teaching Our Kids to Kill.