rachel newhouse.ç >> at that point, rex stopped being animated. he stopped being open.ing talkative. >> it was out of control, right? rex, look at me. it got out of control? rex, tell me what you're thinking. tell me what's going through your head. >> at that point i got concerned because once rex said he wanted an attorney, that means the interview was done. we wouldn't be able to try to e recover their bodies or do any follow-up. it was over. and i did not want him to invoke his right to remain silent. you've got to kind of treat them with kid gloves. >> talk to me. look at me. it's not easy. it's not easy. i know that. he shuts me off verbally, but when i touch him that brings me back to i'm talking to him. he can feel the touch. with rex it still didn't work. >> if you sit there and try to keep beating on me -- >> i'm not beating on you. >> yeah, you are. i'm not going to say nothing. >> i was afraid if i pushed it any further, he would invoke.ç >> i made the decision to shut the interrogation down. and hopefully be able to resume it the next day. >> oh, we were pi