Kim Jae-kyu was a South Korean political figure known for his role in the assassination of former President Park Chung-hee in 1979. He served as the head of the Korean Central Intelligence Agency (KCIA) and was involved in various political activities during a tumultuous period in South Korea's history. After the assassination, Kim Jae-kyu was arrested and tried for his actions. He was sentenced to death, but his sentence was later commuted to life imprisonment. His actions and the subsequent political fallout significantly impacted South Korea's political landscape and contributed to the eventual democratization of the country.