worried and they're worried because what they want most of all is the lifting of u.s. sanctions against russia which are hurting this country and that of course was one of the ideas that candidate trump had. he wants better relations with russia, he wants to see sanctions lifted. they're worried here that president trump is being bogged down and weakened and that he will come to those talks unable to deliver any lifting of sanctions. that's what's worrying them here. >> bill, great reporting on that. thanks for joining us, bill neely in moscow. the mystery surrounding the bizarre murder of the half brother of north korea's leader continues to grow. there's new dramatic surveillance video, look at this t here, the red circled part from the malaysian airport where the attack took place last week, nbc's janice mackey freyer reports from kuala lumpur. >> reporter: the cctv footage purr importantedly shows the alleged attack on kim jong-nam