Lt col grossman biography
Lt col grossman biography
Lt col grossman seminar!
Dave Grossman (author)
American writer and law enforcement trainer
David Allen Grossman (born August 23, 1956) is an American author and trainer who conducts seminars on the psychology of lethal force.
He is a retired lieutenant colonel in the United States Army.
Early life and military career
Grossman was born in Frankfurt, West Germany on August 23, 1956.
Post-military life
Following his retirement from the Army, Grossman founded the Killology Research Group to give seminars about the physiological and the psychological effects of having to use lethal force for law enforcement officers and soldiers.[1]
Grossman also speaks at civilian events on ways to reduce violence in society and deal with the aftermath of violent events such as school shootings.[2] As a civilian, Grossman has been an expert witness in numerous state and federal court cases and was part of the prosecution team of United States vs.
Timothy McVeigh.[3]
In 2022, Ki