it came from a third roommate, his girlfriend, heather baringer. >> when dennis told me that he neededhelp, i was like, oh, no, no, no way, uh-huh. i don't think so. i was totally against it. then when he was -- he was like begging me, basically. he was like, i can't do this by myself, you know. i'm going to go to prison for a long time if we don't do this. i need you to help me do it, blah, blah. he was begging me. >> i was in shock. i have never in my life been in a situation like this. i never went back in the basement again. dennis did the rest. all i do is move him. >> for two weeks, bishop's body lay decomposing in the basement. >> and we got air fresheners and put it all through the house. believe me, our house smelled like decomposing body with a bunch of fragrance because you can't cover that smell. >> baringer later told a friend about the murder, and he tipped off police. she admits to her role in the crime and is also attempting to reach a plea deal on charges of complicity to murder, tampering with evidence, and possession of forged documents. baringer and hall admit to st