present here is elizabeth diane downs. >> you know what i love? heir story. >> it was the time we decided to take her on and seriously challenge her on the inconsistencies in her story. >> diane, you're story stinks. this whole thing has stunk. >> then you better go get some deodorant. >> it stunk from the beginning. >> i'm sorry. >> we no longer have some sort of by the chance, happenstance horrific crime on the side of a road. we have a conspiracy. >> the story had morphed into e to hname. >> and known then somehow -- she said, "i think it was somebody that knew me." >> you've changed it by saying that this guy knew you now. he knew your tattoo. he knows about you. he threatened you. that's a hell of a change from what you said the first time around. >> there's no reason for you not to say that at the very beginning. >> okay, no reason in your minds. >> i understand when victims or witnesses add on to their story, they tell you something you never knew before. but to change your story that is a horse of a different color. >> i have one man sittin