luke somers and another hostage who was south african were both killed by al qaeda terrorists during the hostage attempt. now the u.s. says it was not aware the south african was set to be released the very next day. tell us about this other hostage and the negotiations we are learning were very much underway. >> reporter: in addition to luke somers, the hostage of al qaeda in the arabian peninsula since december 2013. they had also been holding pierre korkie, a south african hostage. with cork korkie set to be released within hours of the time he was killed. u.s. ambassador to south africa