no one meant to hurt this dude like that, it was a robbery gone bad, basically. >> while prosecutors contend he was the ring leader, they say he wasn't alone. the jail currently houses four co-defendants who are especially close to him. >> one's my mom, my brother, my ex-old lady and my mom's boyfriend. >> the district attorney says his girlfriend lured a 47-year-old man to his mother's home. and that when they arrived, cermano and the others robbed and hog tied him before killing him with garden shears and dumping his body in the desert. facing a possible death sentence, cermano says he's tried to make the best of life at maricopa. >> i only went to two days of high school but since i've been here these past four years, i taught myself to read. i can read good now. i go through books like crazy. >> got some books for you, man. here you go, cermano. >> appreciate it, man. thank you. >> no problem, man. >> i like the romance books. yeah, i like them romance books,