them know he had nothing to hide, no matter how long it took. bring on your questions. >> and he sits in a chair and, he perceives to sit in this chair for over ten hours. >> let's do this. let's step out. we're gonna give you a minute. >> i'm fine. >> doesn't shift, doesn't move, doesn't stand up. >> no bathroom breaks, no nothing? >> we begged him to take bathroom breaks, we begged him to bring in food. >> we need anything else? we >> what's that about? >> he's going to stay here until we believe him. >> he admitted to being unfaithful, but said it was ludicrous to think he killed his mother. >> i never heard my mont. if you want to hold those affairs against me, that's fine, but i never heard my mom. i walked in and found my mom the way she was. >> this is about surely being killed. >> i know that, and you're not doing anything about it, because whoever did kill her is still out there.