sentences:  He graduated from the Faculty of Law of Chuo University in Tokyo, Japan in 1941.After his graduation, Choi returned to Korea, where he worked as a prosecutor of the Cheongju District Court () under the Japanese colonial government.When Korea regained its independence, he found employment with the new South Korean government, first with the High Prosecutors' Office in 1948, with the Supreme Prosecutors' Office in 1949, as head of the Bureau of Prisons (행형국) under the Ministry of Justice in 1951, and as Chief Prosecutor of Jeonju in 1952.