. >> alvin mckellen understands the meaning of reap what you sew as well as anyone. a 12 years sentence for drug possession. even though most days he has woken up at dawn to be shackled for his restricted labor job. he says it's better than the all tern tough. >> my father told me never to be a stranger to work. this is doing something to keep from wasting away. >> you got to take care of your body so it can take care of you. >> every shackle has two locks on it. you have two sets of keys. it's security, in case they get a hold of one of our key chains. they probably won't get ahold of two. >> you will trip on them all day long. you have to secure them. >> get your bags, two at a time, starting up front. >> at age 50, mckellen is one of the oldest inmates to work in the fields. his 20-year-old cellmate scott parker is one of the youngest. he is serving five years for armed robbery and drug possession. >> i am tired of being in the cell all the time. it's nice to come out. it's got its ups and downs. i was nervous coming to prison. first time 19 years old. i wasn't sc