i guess they didn't want us to know what was being said because they certainly had the ability to record it. >> while thomas eats, melody jones replaces her son in the interrogation room. >> were you in any way involved in the death of your daughter? >> no. i don't like thinking death. i wouldn't do that. and i don't think thomas would either. >> when you watch that tape, whenever you get past thomas wouldn't hurt her sister, then generally speaking, you get some tears, followed by something derogatory or negative about thomas. that he blows up, he's on medication, he doesn't have friends, he doesn't like church. things of that nature. >> when you catch him doing something, is he good about going ahead and fessing up, or