premise that one person wrongfully convicted is a grave injustice. >> i don't know what the outcome of this is gonna be. but this is a good case. i knew we were right. i think it's a good system. a look into isis ugly propaganda. this time trying to justify their enslavement and sexual abuse of women and girls. these women have all lost sons, coming up, an exclusive sit-down interview with mothers of slain americans, trayvon martin, michael brown, and eric garner. what they have to say about race in america. also ahead here, model beverly johnson shares a familiar story. the sexual abuse she says she suffered at the hands of bill cosby. welcome to our viewers in the u.s. and around the world, you're watching cnn live coverage, i'm natalie allen.