but of carol dodge, the victims mother. carol dodge came around to your side. what was that like?d i appreciate her finally understanding that i'm innocent. >> and, as we spoke, for the first time in years, chris tapp had reason to feel one spark of possibility. someone in a position to change his future was going to listen. >> coming up -- a new chance at freedom. could that controversial confession get thrown out of court? >> if this condition goes, the state has almost no evidence. >> when "dateline" continues. >> more than 15 years after angie dodge was murdered on, a quiet street in idaho falls, something was about to change in the case of her confessed killer, big chris tapp. for the first time since his trial, a hearing on evidence was about to be held before a judge. and as chris he tapp entered the courtroom, he and his supporters finally heads reason for hope. not that the judge could review the evidence and just declare tapp innocent. no. this would have to be based strictly on points of law. the court of appeals had over the years thrown out all but one of tapp's video

as for carol dodge, the idaho falls police department called her a warrior. adding that over the years, many of their investigators said they were inspired to do more. try harder. and innovate. because of her fierce love for her daughter he. >> that's all for this edition of "dateline". i'm craig melvin. thank you for watching. >> she was a person out of a forties film or movie. >> with a life full of mystery to match. >> she was a stunner, physically. she was able to say jump, and the men would say how high? >> married to a wealthy lawyer. >> he always said, she has this hold over me. >> but there was someone she seemed even closer to. >> they bought matching underwear together. >> they shared everything. >> eating together. sleeping in the same bed together. she's living at her house. >> did they also share a deadly secret? >> it was a love triangle and one of them had to go. >> but was it her idea? >> oh, god, it seemed like a good at the data at the time. but oh, my god. >> or hers? >> i said, oh god, i don't want to do this. she said, get out. >> and who