Lee Choon-jae

Also known as the Hwaseong serial murders. Most of the victims were bound, gagged, and strangled to death with their own clothes. It sparked the largest criminal case in South Korea with two million officers mobilized and over 21,000 suspects investigated. A suspect was identified in 2019, but he could not be prosecuted due to the statute of limitations. He later confessed to killing 15 people, in addition to the murder of his sister-in-law.