fatal police shooting in north charleston showing the passenger now who might know why walter scott ran from police. president obama and cuban president raul castro shaking hands. >> it's about to become official. hillary clinton is set to announce her candidacy for president. she's not the only one getting to announce this week, though. happy saturday to you. 8:00. it is right now. we're so grateful for your company as always. i'm christi paul. >> pleasure to be with you. i'm victor blackwell. let's start with these details into the federal surveillance program that took down a 20-year-old man and his plot to bomb ft. riley military base. we now know more about the sting operation that led to the arrest of john t. booker jr. from kansas. this 13-page federal indictment. we're learning now that booker, also known as muhammad abdullah hassan attempted to use a weapon of mass destruction, attempted