and he interpreted that as a no. the fact that he said he interpreted makes it clear that it was somewhat unclear. and he said that singleton was not there. so there's issues there in terms of what he said. most importantly though we must remember he had heard a series of 911 calls, and at the end he heard a gunshot. that was the final thing that took his son's life. in terms of whose voice it was, that was not his focus. his focus was on the gunshot, and that gunshot is the climax of that tape, not the voice that you hear. >> mark o'mara says he's convinced the state has not proved their case beyond a reasonable doubt of second-degree murder. are you convinced the state has proved second-degree murder beyond a reasonable doubt? >> i think they either have it or are very close. i think that's why the law allows the lesser included offenses. at this point all we want is justice. so we believe we're close to getting that justice. >> darryl parks, appreciate your time tonight. thank you. >> thank you. a few moments ago, you heard