half brothers dave carr and chas you think you're going? mr. mucus: to work, with you. it's taco tuesday. man: you're not coming. i took mucinex to help get rid of my mucusy congestion. i'm good all day. [announcer:] mucinex keeps working. not 4, not 6, but 12 hours. let's end this >> almost every inmate at wabash valley correctional facility eventually finds some way to deal with life behind the walls. half brothers dave carr and chas harper use humor. >> i mean, we try to make each other laugh, you know. sit there and go, boy i'm sure glad, think about how much money we're saying on gas right now, bub. we're saving a lot of money on gas right now. you know. what's that saying? won't make you laugh will make you cry. so you just do what you do. >> with harper sentenced to 72 years and carr 35 years for crimes related to their use of methamphetamine both men have had plenty to cry about, especially when it comes to who they have left behind. >> i got the zoom and stuff right. mom, dad, i just want to take a second when nobody's in here to tell you that i love you, i mis