FILE - Guard posts and fences ring a hill side on the North Korea border with Russia and China seen from China's Yiyanwang Three Kingdoms viewing platform in Fangchuan in northeastern China's Jilin province on Sept. 12, 2023. North Korea is putting surveillance cameras in schools and workplaces, and collecting fingerprints, photographs and other biometric information from its citizens in a technology-driven push to monitor its population even more closely, a report said Tuesday, April 16, 2024.(AP Photo/Ng Han Guan, File)