robbie mcannalley faces a different challenge. he not only feels isolated from his young son.nd, who just happens to be his cellmate. >> my celly is a great dude. i love him. i've known him for years. even before we came to prison. but i got my problems that i ain't seen my son in two years. and he gets to tripping acting like i know how i'm feeling. when he doesn't see his son for a week, he gets visits every week. everything that's possible to get in here, he's got it. and i'm in here [ bleep ] up. >> mcannalley, serving six years for armed robbery, wears his frustration in prison ink. >> that says vengeance because i've had a lot of wrong done to me. i've been hurt a lot. and i seek revenge for that. i have a lot of animosity built up when i got it. i'm hoping i can let things go for my sake and my son's sake. and ain't worth coming back to prison over. >> he points to another tattoo as the source of his frustration. >> the mother of my child. i'm kind of mad at her that she's not -- she's holding my son from me. >> but that could be changing. a recent letter and her submis