Sin Gwang-su (Korean: 신광수; Hanja: 辛光洙; Japanese: 立山富蔵 (Tateyama Tomizō), born June 27, 1929) is a North Korean national suspected of espionage for North Korea.
[2] Shin Gwang-su is believed to have participated in the disappearance of Tadaaki Hara in Miyazaki Prefecture, Japan, in June 1980 with a South Korean national named Kim Kil Uk.
[3] A United Nations report concludes that the North Korean agent Shin Gwang-su later passed himself off as Hara in Japan.
Gwang-su was apprehended by South Korean law enforcement in 2014, using Tadaaki Hara's name to pass himself off as Japanese.
[4] After his arrest, he admitted to the South Korean authorities that he was involved in abducting Hara and relocating him to North Korea.