>> hall helped him conceal the body. >> when he said he needed help, i was like no, no, no way. uh-uh. i don't think so. i was totally against it. when he was begging me, he was like i can't do this by myself. if we don't do this, i need you to help me. >> i was in shock. i have never in my life been in a situation like this. i never went back to the basement again. dennis did the rest. >> for two weeks, his body lay decomposing in the basement. >> i went and got air fresheners. our house smelled like decomposing body. you can't cover that smell up.