>> that's where food deprivation would come in. we would hold back food and they knew if they went 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. >> an employee is dead after an