On a bright, peaceful morning in Busan, sunlight spread across the harbor and busy city streets. Beneath that calm surface, however, much of the city’s underworld was quietly controlled by the Haedong Syndicate—four men known as the Four Kings of Haedong: Kang Joon-seok, the calm leader; Park Min-jae, the strategist; Choi Hyun-woo, the enforcer;...Read more