the judge then set aside dooley's murder conviction and ordered a new trial. >> dave found out. and, of course he was crying. >> reporter: janet dooley says she's never doubted her husband. >> he was relieved that, finally, he's gonna get a second chance to prove his innocence. we still have a murderer out there. and i'm not gonna shut up until dave comes home. >> reporter: she's confident her husband will be found not guilty next time. the prosecution's case, she says, is weaker, in large part, because detective mcvay's credibility is compromised after the prosecutor branded him a liar. >> they lie. they cheat to win. and that's what they do. >> after everything's that's come out, you think they got the right guy. >> we absolutely think they have the right guy. we have no doubt about that at all. >> so nothing that's happened since the trial, nothing in the appeal has made you think maybe the jury was wrong? >> no. >> reporter: jennifer and cindy, michelle's sisters, believe dooley will be convicted again. that said, they're heartsick they have to go through another trial. >> th