They figured out that suggesting to someone that they might be turned over to the Saudis, or the Egyptians, was enough to make some of them talk, so great was their fear of torture at their hands. Then someone decided that making someone think he might be tortured was torture, so they had to stop that practice.
Yup.
Heck, they played the Barney and friends theme to them for 24 hours one time, the guy broke.