to recover the body of one of the victims. the other two are still missing. dive teams are searching the crash site, which is almost three miles long or five kilometers. the north korean leader kim jong-un is traveling right now by private train across china. he's on his way to meet with the u.s. president donald trump in vietnam later this week. state media finally confirmed the summit with president trump as kim was preparing to leave pyongyang. anytime kim jong-un leaves north korea, there is always risk he could be deposed. so kim periodically purges anyone he considers to be a potential threat. we do warn you going into this story the details of those executions can be especially gruesome. our brian todd has this. >> reporter: kim jong-un, the man president trump will shake hands with again at a summit next week, who he now calls