DEMOCRATIC PEOPLE’S REPUBLIC OF KOREA 3 publicly executed, and guards at political prison camps were under orders to shoot to kill those attempting to escape. The state also subjected private citizens to public executions. A 2016 survey found that 64 percent of defectors had witnessed public executions. Defectors reported going to public executions on school field trips. The 2019 edition of the White Paper on Human Rights in North Korea, a report based on interviews with recent escapees and published annually by the Korea Institute for National Unification (KINU), a South Korean government-affiliated think tank, reported that testimonies recounted continued public and secret executions. Escapees declared the purpose of the executions was to punish offenses including drug dealing, watching and disseminating South Korean videos, and violent crimes such as murder and rape. One defector said he witnessed the public execution of a man who shared South Korean movies in Hyesan, Ryanggang Province, in 2014. Two others said they saw the execution of another Hyesan man on the same charges and the killing of an estimated 20 South Hwanghae Province residents for drug dealing and distributing South Korean videos in 2017. Testimonies also stated executions were carried out for possession of Bibles, circulating antiregime propaganda material, and superstitious activities. KINU noted, however, that public executions might have become less frequent in recent years. In March 2019 the Malaysian prosecutor dropped charges against one woman accused of assassinating Kim Jong Nam, Kim Jong Un’s half-brother, at the Kuala Lumpur International Airport in 2017. Later that month a second woman charged in the case accepted a plea deal and received early release in Malaysia. Four government agents, including Ri Ji U and Hong Song Hac, returned to the country from Malaysia immediately following the attack without standing trial. As of year’s end, the government still had not accounted for the circumstances that led to the death of Otto Warmbier, who had been held in unjust and unwarranted detention by authorities, and who died soon after his release in 2017. Killings by security forces did not appear to vary depending on race or ethnicity. b. Disappearance NGO, think tank, and press reports indicated the government was responsible for disappearances. Country Reports on Human Rights Practices for 2020 United States Department of State • Bureau of Democracy, Human Rights and Labor