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.
Source: Dave Grossman on Wikipedia.
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.
Source: Dave Grossman on Wikipedia.