to say they got the right guy. >> well, it was enough for the detectives and the bronx district attorney. with years late, a jury convicted him of murder and sentenced him to 25 years to life. so far, he served 20 of those years. >> i just -- i still don't understand what i'm doing in prison. i'm innocent. >> if he's telling the truth, think about all that's been lost. rosario was 20 when he was arrested. today, he's 40. he shared this picture with his wife and kids taken in the months before his arrest. today, amanda and richard jr. are adults. they visit their dad in prison a couple of times a year, this is what they look like today. >> -- to see our dad, we're excited. i haven't seen him in six months since his birthday. >> you know, my family, my children, my life, right in front of me, just taken away. >> after our interview, i'm not quite sure what to believe.