tell us more and starting with if it is accepted. reporter: so we got the indication when north korea was hosting the military parade originally planned to be quite large but was scaled down that kim jong-un was changing his tone, he didn t use the word nuclear. he referred to his country as a military power. and sources told me that they believed he was sending his sister here on a diplomatic mission to try to warm up south koreans and drive a wedge between south korea and the united states. you had vice president pence arrive on the ground, he met with defectors, he blaeshe blas jong-un, he wrought with him on the to th otto warmbier. and then man jay in-was shaking