The U.S Army’s Lt Colonel Dave Grossman’s research has revealed that part of our brain is dedicated to preventing us from killing each other. Few people can take the life of another human at close range. After World War Two, General S.L.A. Marshall of the U.S Army conducted a survey and found only 15% - 20% of front line infantry actually fired at the enemy.

A recent investigation by the Australian Institute of Health and Welfare found veterans’ children have three times the suicide rate of the general community.