her body dumped on the side of the road weeks before her wedding. >> he strangled stacey stites with reporter: he was arrested after his dna was found at the scene. reed claims he had a secret and consensual relationship with stites he says explains his dna being found. >> if a new jury would hear your case, what do you think would exonerate you? >> i know if they were to hear this case, that this case would itself exonerate me. >> why? why are you so convinced? >> because all the evidence points to the person who we all think did this crime. >> reporter: and now another potential bombshell. the innocent project released a sworn affidavit from a prisoner who claims that a known party to stites confessed to her murder while the two served time together behind bars. this morning celebrities including kim kardashian and mark cuban are calling on the texas governor to stop the execution so evidence can be investigated. but this morning, prosecutors are standing by their case and the guilty verdict. >> the claim of innocence is consistent and cohesive, and it goes in one direction. theirs

phil: did you rape and murder stacey stites?no, absolutely i did not. >> announcer: from death row -- >> i didn't do this crime. they're trying to take my life. >> reed was convicted of murder for stacey stites in 1996. >> announcer: now -- >> dr. phil: it took her 19 years to come forward. >> announcer: new witnesses. >> dr. phil: this isn't one of your witnesses. this is someone from your life. >> she s

. >> did you kill stacey stites? >> no, i didn't. >> dr. phil: this is a female engaged to a cop, a white cop. >> jimmy fennell was initially the key suspect in this case. he's an absolute monster. >> dr. phil: did he have an inkling you were in a relationship? >> he told me, you are gonna pay. >> it was a threat? >> no court has