"Not exactly the kind of thing we got training in resisting back in Delta," he says with a weak attempt at humour.

He runs a hand through his hair, and he can feel it trembling slightly.

"But then there's a gap of a couple days and I don't remember anything until I was outside on the grass, with someone about to stab me in the chest. I guess I put up a fight when they came to rescue the guy I'd kidnapped."

This time, his voice shakes a little as he talks.