Ryūzō Saki

Ryūzō Saki was a Japanese novelist and non-fiction writer, born in North Hamgyong, a Administrative divisions of [North Korea|province] of what is now North Korea. He was interested in high-profile crimes in Japan and published a number of non-fiction books about Japanese crimes.
On January 14, 1976, Saki was awarded the Naoki Prize for the novel Vengeance Is Mine based on Japanese serial killer Akira Nishiguchi. The novel became the basis of Shohei Imamura's film Vengeance Is Mine. He also wrote the books about Norio Nagayama, Tsutomu Miyazaki, Fusako Sano and Futoshi Matsunaga. His 1980 novel The Miracle of Joe, the Petrel was adapted into a feature film in 1984 by Toshiya Fujita.
In 1992, Saki published a book about Japanese Resident-General of Korea Itō Hirobumi and Korean An Jung-geun, titled Itō Hirobumi to An Jung-geun.
On 1 November 2015, he died from throat cancer in Kitakyūshū at age 78.