hiram jones is kevin jones's father. >> they tried convicting kevin within 90 days of it happening.ger walking in a coffee shop would you read that? what would you think? >> it bothered but kevin's awful when bumper stickers, "justice for nona", started popping up in public >> coming up. >> the assumption that i formed, and i think many people formed was that justice for nona meant convict kevin. >> topping our news, the police make an arrest in the murder of 19-year-old arkansas beauty queen. >> on march 31st, 2006, not long after that courier article, police finally did announce the arrest of kevin jones for the murder of nona dirksmeyer. whether or not kevin was convicted in the court of public opinion was now apparently irrelevant. he was about to stand trial. quite possibly be convicted where it really mattered, a court of law. >> coming up -- a palm print in blood on the lamp used to kill nona. guess whose? >> no question it was his? >> no question it was his. >> but on another key piece of evidence -- >> the dna was some other males. >> when "dateline" continues. as a busines