"The taunts of prisoners and the things his superiors required him to do to them had a severe psychological impact on Mr H. "He was called upon to bring detainees, enemy combatants, to certain places and to see that they were handcuffed in particularly painful and difficult positions, usually naked, in anticipation of their interrogation," said Smith.

"On occasion he was told to make prisoners kneel, naked and handcuffed, on sharp stones. To avoid interrogation the prisoners would often rub their wounds afterwards to make them worse so that they would be taken to hospital.

"Some of the techniques used by interrogators resulted in detainees defecating, urinating, vomiting and screaming.

Mr H told Smith he felt profoundly guilty about his participation. "It was wrong what we did," he said.

The prisoners also threatened Mr H. "They would tell him they had networks of people throughout the world," said Smith. "If he did not take letters out and mail them then they would see to

Slavery entraps the slave and the master.

In some ways it's easier for the guarded. He has only the same to look forward to every day so he adjusts.

The guard has time off and maybe a home life with children. Now you need two personalities to stay sane.

Both are prisoners of each other. Huge resentment and hate. Non human!