not much. no weapons certainly. no blood-soaked clothes. they took dna swabs and bagged various items for lab analysis. and then in a closet they found a really oddball souvenir. an audio recording made by greg, of him and chiquita engaged in a screaming match. >> you said, "i'm going to leave you with the end tables. i'm leaving you with that sofa. i'm leaving you with all this because i don't need it." >> you can have it. >> that's what you told me. >> you can have it. >> reporter: this sounded like a couple splitting the sheets, divvying up the household goods. >> oh, that's all i had when you came here? >> yes, it is! >> reporter: denita was aware that her sister, chiquita, was unhappy. but realistically she didn't think her strong-willed sister would ever be happy in a marriage. >> you know in a relationship you have to compromise. i don't think she was willin' to do it. it was her way or no way. >> reporter: denita says her tempestuous sister was always threatening to storm out of the marriage right up to her last day. >> and that morning of february