in florida. prison officials say two inmates sentenced to life, charles walker, joseph jenkins, they gain their freedom by gaming the system. they used fake release paper that includes a forged signature from the judge. and the men played the dupe so well, they even went back to the jail to register as felons after they got out. here cnn's nick valencia. >> there have been tips being received in terms of legitimate spottings. >> reporter: how did joseph jenkins and charles walker dupe the system? that's a question no one seems to be able to answer and a mistake no one wants own. >> so i'm not here to point fingers on anyone. there will be plenty of that to go around, i'm sure. >> reporter: in between the fingers of ejang gentleman liev.