>> all i know is time. that's all i know. i appreciate everything you're doing. and i know that there's a possibility i might spend the rest of my life in prison. this is the best i've ever had. i've never had a second chance, you know? this is it. i'm ready. thank you. >> in october 2011, vazquez's lawyers delivered their brief to manhattan district attorney's office, asking him to reinvestigate the case. >> we have no reason to believe that the d.a.'s going to do anything else, other than conduct an objective, thorough, independent investigation. >> we continue, as an office -- >> in 2010, cyrus vance, jr., the newly elected manhattan d.a. formed a team called "the conviction integrity unit." its mission is to investigate claims of wrongful conviction. and while the manhattan d.a.'s office declined to discuss details of the case, it was reviewed.