that's what it was. it was a floating steel box. >> that's where food deprivation would come in. we would hold back food and they would know if they were in the modular they would get food, so if they were hungry enough, they went in there. >> during the winter, that would be 5:00 at night until 7:00 in the morning. >> when you let them out, you'd see new tooth rakes and sometimes blood. >> closing that door on him and knowing that he's locked in there for the whole night is like -- it's a stab. it's whoa. >> if that is true, it's not only inhumane, and i'll tell them so, but it probably led to what i think is a psychosis that he was on a hair trigger. he would kill.