area stepping forward and saying, i know i didn't mention it 20 years ago, but actually -- >> tony buchananerviced a car for elizabeth haysom in this lot just weeks after her parents were killed. >> reporter: more than 20 years after the trial, in 2011, tony buchanan suddenly comes forward with an incredible claim. he says just weeks after the murders, elizabeth haysom and a man brought a car in for repair. buchannan says he saw blood on the floor mats and took a closer look. >> when i looked over between the console and the seat, i seen the knife and it was full of blood. this kind of knife. >> reporter: he says, at the time, he assumed the blood and knife were connected to deer hunting. he says, years later, he saw a photo of jones soering, and says he realized that was not the man he had seen with elizabeth and the bloody car. >> and i said, well, damn. that ain't the guy that was in the shop. i said, somebody else is involved in this case because somebody else than this guy -- this guy was not in my shop. >> tony buchanan has no credibility. >> reporter: ricky gardner questions why buch