>> toilet, write on the toilet, make your own beats. you know what i mean? ♪ >> fisher's cellmate is 20-year-old dinell thompson. better known here as duker. thompson was at maricopa appealing 2 murder convictions that could land him in prison for at least 32 years. >> keep the noise down over there. >> rap has helped the two men bridge their generation gap. >> trying to film [ bleep ]. >> the cellies share one other thing in common. they're both members of the crips street gang. >> but they were at very different stages in their life. cousin ice was no longer in love