attorneys Keith Harrison and Jeane Thomas typically counsel an elite corporate clientele, but they're working for no pay at all for Green, trying to win his freedom after 31 years of incarceration. … The state's job is to seek the truth and to seek justice. Jeane Thomas | Defense attorney: The state's job is not to uphold convictions.

Keith Harrison | Defense attorney: We've made every legal effort to get him released. Nearly two years have passed since Green's murder conviction was overturned, and yet he remains in a Florida prison because the state is appealing the federal court's decision. So, why is Green still behind bars? '48 Hours' correspondent Erin Moriarty has followed this case for more than 20 years and shares new details in Green's fight for his freedom. 'I actually think it's a tragedy that he remains in prison,' says Green's attorney, Keith Harrison. There was no physical evidence tying Green to the case. He was convicted in 1990 of killing a 22-year-old Florida man largely on the testimony of the man's ex-girlfriend. Crosley Green has been in prison for more than three decades for a crime he says he did not commit. A Florida man remains behind bars, nearly two years after his murder conviction was overturned.