>> finally, willis gets the break he's been waiting 17 long years for when one of his appeals pays off. in a highly unusual step, a u.s. district court judge orders the state of texas to either retry willis or dismiss his case. he cites several factors including ineffective assistance of counsel and evidence contradicting the state's theory of the fire. ori white heads up the investigation. white, a college student at the time of the crime, is now the pecos county district attorney. >> jurors want as much forensics in cases as they can get. and in this case, the forensics were such that it allowed the jury to reach that conclusion. >> now it's up to white and his team to decide if that jury reached the right conclusion. >> we began to do a brand new just from scratch reinvestigation of the case. a lot of it was based on the