and in 1999, they publicly named dennis dunlap responsible for the death of judy whitley. >> reporterto the defense team, the interview with the ex-wife seemed to offer a clue. >> did he mention any other murders or any other cases? >> he -- the lady, the principal murdered her? all he told me was that he dated her. he was dating that lady. i want to say, i'm not for sure, he dropped her off that night or that evening. >> not only do you have another alternate, much more viable suspect, but even if you don't count him as a suspect, the entire narrative of the state's theory has to change. >> reporter: by 2018, joe bryan had been incarcerated for 30 years. by all accounts, a model prisoner. >> you have to accept the fact, whether you like it or not, you're in prison. you can either make the most of it and be the person you always were, or you can be someone who acts out, is rude, crude, disrespectful. i chose to be me. >> reporter: always maintaining his innocence, he had been denied parole since 2007. >> joe told me when i visited him in jail, if i have to die in prison, i'll just hav