"What a silly question. Of course I tried. As soon as we saw even the tiniest opportunity to get free, Reg and

"What a silly question. Of course I tried. As soon as we saw even the tiniest opportunity to get free, Reg and I grabbed for it. On one occasion, we jumped from the cart into the river. There was a time when we spent weeks trying to dismantle the far wall of the barracks and make a path out. Sometimes we attacked our guards when they least expected it."