dan feinberg: "theyre not going to find her." girl in florida." "the girl i killed was twenty." keith morrison (voiceover): one witness testified about overhearing a conversation between barr and mcmannis. jennifer garczewski: phillip barr was saying to david mcmannis, "i didnt want to kill her." and she overheard david mcmannis respond, "she had to die." keith morrison (voiceover): not very believable, said the defense attorneys just people making things up, said barrs lawyer, mark desisto. mark desisto: we contended that those conversations never took place. keith morrison (voiceover): some of those witnesses were inmates, too, snitches. mark desisto: i never met a confidential informant thats going to inform just because he wants to be a nice guy or a good citizen. theres always something in it for him. keith morrison (voiceover): that woman, the star witness found by the cold case team, who said she saw the two men coming and going from taras house? mark desisto: could it be she made herself believe this over so much of a tim