. >> the country's envoy for normalizing relations with japan, son il ho, said they have the authority to investigate all government institutions. he's calling for the two nations to share necessary information. he says the probe will require reciprocal interviews and trips to japan. son says the visits are needed to speak to relevant people and see pertinent places. analysts say his request is in response to one made by the japanese government to send a delegation to the north to check on the progress, and they say leaders in pyongyang are trying to show that their probe is credible. past investigations have revealed that a set of remains returned by north korea were not those of an abducted japanese national. leaders in tokyo are keeping a close eye on the north's investigation, even after they decided to lift some of its sanctions. they're expecting north korean officials to issue their first report in late summer or early fall. and they'll also establish communication channels between the two countries. japanese officials are also preparing for the eventual return of the abductees