we knew we were supposed to

We always harassed the hell out of the detainees. They always told us to “smoke the detainees, but to not physically harm them.” I saw the Chief throw them down, put his knee in his neck and back and grind them into the floor. He would use a bull-horn and yell at them in Arabic and play heavy metal music extremely loud, they got so scared they would urinate on themselves. He was very aggressive and rough with the detainees. We were told to only feed them crackers & water ...
We were yelling in a bullhorn at the detainees, making them do PT, things like flutter kicks, ups and downs, stuff like that.” We knew were supposed to do these things because MI was already doing this stuff when we got there.

a US Army interrogator based at Mosul airport from February to April 200. Quoted in HRW's report No blood, no foul