The father of Liam Smith has revealed some of the shocking details of his son's battle with post-traumatic stress disorder. Glyn Smith says he covered himself in blood and pretended it was camouflage and even stubbed out cigarettes on his skin.
Two mothers whose sons committed suicide a week apart last month are campaigning to raise awareness of their suicide.
In the United States, suicides in the military have claimed more lives than the fighting.
Soldier Liam Smith suffers terrible mental trauma. He believes the Taliban are in his wardrobe. He's even tried to carve off his face.