we don't know, said the defense, but it wasn't rick gagnon. with that, the jurors filed out to deliberate. rick waited with his attorneys. and the woman many felt to be at the heart of it all held her breath. >>> coming up -- the jury renders its verdict. >> i didn't know what to think. i didn't know what to think >> but this isn't the end of a case because finally investigators learn who left those mystery blood drops at the crime scene. >> he said they identified the killer. now lenraers, can ge50% off es wiurchasof frame th's 50% o si visioes, -linfocals and rescion su they'rper concentrated.so i g a betean. ted roduthe ye it'got toe cl it'st to b. bl gums? yothin's a rof usng td. it n. it sign ly seas lierine(r)elp rse... neacvit thsi pots.ciodornetivit fusion >>> jurors in rick gagnon's murder case deliberated for only a few hours. when they filed back into the and knew. they'd found him guilty. >> two counts of murder. received two life sentences. >> reporter: that's called a pine box sentence. >> pretty much. >> reporter: you're going to

in this case, bob dudek. >> in my 22 or 23 years of being an appellate defense attorney, rick gagnon was only one of about two or possibly three people that i genuinely believed was innocent. >> reporter: that certainty would mean exactly nothing to an appeals judge, unless bob and rick could come up with new evidence. then in 2009, a year after his verdict, rick had an encounter in prison with yet another inmate. >> and it was all like excited about something. >> reporter: authorities in tennessee, the prisoner told rick, had just arrested someone for a home invasion there. >> he told me, he said, they identified the killer. >> reporter: that man's name was bruce hill. when tennessee authorities ran his dna through the database, they had a match to the mystery blood found at the parker crime scene. of the murders of big charlie and diane. his motive for the crime was never firmly established. who's bruce hill? did you know that name? >> no. >> reporter: did you ever see him at the farm property on job sites? >> no, never. >> reporter: but rick's lawyer needed proof that there was no

you know, bruce hill had been unambiguous and was very blunt that he did not know rick gagnon gagnon. >> reporter: all hill had to do now was admit that in open court, and gagnon might go free. once again, rick was out of luck but not hope. >> it was the first piece of good news i'd had in a long time, you know? i was excited to see what god was getting ready to do. >> reporter: and there were developments? >> yes, sir. >> reporter: namely, the arrival of a new inmate. >> and i was in the chapel at the time. it was my job assignment. and he was brought into the chapel. >> reporter: one day the man opened up and stunned rick. he said he'd known a guy in jail named -- wait for it -- robert mullins, the very same who testified against rick. the man then said that mullins had shared a secret, he had lied about rick's involvement in the murders. >> i mean, i already knew it. but to hear somebody else say it, you know. >> reporter: that mullins had lied? he was kind of proud of what he'd done. >> yeah. >> reporter: now this snitch-on-snitch story had the appeals judge's attention. >> the ju

we don't know, said the defense, but it wasn't rick gagnon. with that, the jurors filed out to deliberate. rick waited with his attorneys. the heart of it all held her breath. >>> coming up -- the jury renders its verdict. >> i didn't know what to think. i didn't know what to think anymore. >> but this isn't the end of a case because finally investigators learn who left those mystery blood drops at the crime scene. killer. now at lenscrafters, you can get 50% off lenses with purchase of frames. that's 50% off single vision lenses, hurry in for our biggest sale of the year. i'm lucky to get through a shift without a disaster. my bargain detergent, it couldn't keep up. so i switched to tide pods. they're super concentrated... so i get a better clean. voted 2016 product of the year. if it's got to be clean, it's got to be tide. bleeding gums? you may think it's a result of brushing too hard. it's not. it's a sign of early gum disease... listerine(r) can help reverse... early gum disease in just listerine(r). power to your mouth ! introducing the f

. >> rick gagnon in particular show deception. reporter: policicthen sat both rickcknd bambi down in separate rooms for ather round of quetioiing. thththime e ov we e f. do you u u o c ced with somethihi?%$->> are ewu chaing me w w w ananhing? >> answer my question. i ddn't do anythi >> reporter: theyeyoped for a nfession o oat the very let, thae'd give up rick.. she didn't do either.. >> you don't want to be e arged? >>>>o.. i'm m t going to be c arged becausese didn't -- p lococher ass . >>o anything. >> we done. lock her ass up. cause yoyore notng ttellll us snying. put some handcuffs on her. ke her to jail. >> report: bubudectes weren't done y tryg to bre bai. on heray t ther booking, bambi said the hammer came down hard one me titi. > thehesurrounded m %lili a pack of wolves. they said, go get these crime ( scene phos of hemama and daddy. and i sa, no, no, no. andni was tryikg to cove face and he walling my hds off of my y y . andde said, "you d this. you." >> reporter: detectives said the same thing to rick gagnon. >> t ty a