son s a monster. how could a son do that? but why, bart? this is the question everybody wants to know. why? how could a father do the nearly impossible, forgive him? i don t understand it. i look it at it as a miracle. the desire for revenge had gone. he wants to save his son no matter what. he had to go to that length to feel alive. we can all live twice. i m david muir. and i m elizabeth var fwgas this is 20/20. death row. it is ominous. it is cold. it is a place you look at it from the outside and you know what happens inside. reporter: in a race against time, 38-year-old thomas bart whitaker s final days are ticking down on death row. now, he awaits a destiny that seems all but assured. execution, by lethal injection. his father, kent, spends these final days in a desperate hunt for mercy. on this savoring what may be his last visit with his son in prison. as we were leaving, we put our hands up to the glass and he puts his hand up on the other s
son s a monster. how could a son do that? but why, bart? this is the question everybody wants to know. why? how could a father do the nearly impossible, forgive him? i don t understand it. i look it at it as a miracl the desire for revenge had gone. he wants to save his son no matter what. he had to go to that length to feel alive. we can all live twice. i m david muir. and i m elizabeth var fwgas this is 20/20. death row. it is ominous. it is cold. it is a place you look at it from the outside and you know what happens inside. reporter: in a race against time, 38-year-old thomas bart whitaker s final days are ticking down on death row. now, he awaits a destiny that seems all but assured. execution, by lethal injection. his father, kent, spends these final days in a desperate hunt for mercy. on this savoring what may be his last visit with his son in prison. as we were leaving, we put our hands up to the glass and he puts his hand up on the other sid