and third gunshots. i asked if he killed the kid. he told me he was done with it. i then disconnected the phone. >> the militants killed his sister during that phone call. we also heard from the president yesterday in a televised speech that al shabaab is a threat to our public. after a bloody push of isis out of tikrit, they are preparing to liberate mosul. cnn's senior correspondent arwa damon. >> reporter: tikrit is touted as a success, at least when it comes to the first faze of iraq's war with isis. it may have been the simplest of battles the nation faces. the big question asked right now