>> mommy, nanna? coming? >> yes, nanna's coming. >> mommy? >> no, mama's not coming, baby.>> come on big boy. >> ready? give mommy kiss one more time. >> i love you. i'll see you soon. >> see you soon. be a good girl. >> be a good girl. >> be good. >> i will. you be good. be good boy for nanna? okay. i'll see you soon? >> all right. >> say bye-bye. >> all right. let's go. >> bye, baby. >> this is the worst part, watching him leave, when he asks me if i'm coming. like, what do you say to that? and the worst part is i have no idea when i'm coming. i can't say mama will be home soon or mama will be home tomorrow. like, i don't know. >> it hurts. it kills me. it kills her, too. he don't understand. >> i don't want to keep doing this. i don't want to keep hurting my family, my son, myself. for what? it's not worth it. >>> due to mature subject matter, viewer discretion is advised. >>> msnbc takes you behind the walls of america's most notorious prisons, into a world of chaos and danger. now the scenes you've never seen. "lockup: raw." >> i think it would be inaccurate to say the