North Korea is likely to become more isolated and repressive if it cannot make a deal with the United States, the UN’s top envoy for human rights in the DPRK told NK News in a recent interview.

Speaking during his first official trip to Washington DC since taking taking on the Special Rapporteur job, Quintana said he was increasingly “concerned” about North Korea’s future should now-stalled diplomacy with the U.S. fail to yield results.

“We should not forget that North Korea said that by the end of the year they will finish the moratorium on nuclear weapons and ballistic missiles,” he