Not much is know about this mob, they appear to control a counterfeiting operation, the LCPD database suggests that they are also involved in the drug trade and are supplied by the Triads. The gang shares their Alderney City turf with the Spanish Lords, however they have been known to shoot each other at times, but in other situations there can be a case where a Spanish Lords member drives a car with a Korean in the passenger's side.
The gang may also incorporate South Korean and Korean-American members, supported by the fact that several of their gang members speak with American accents.
During the Drug Wars side mission in TBOGT, the Korean Mob is one of the gangs Luis and the others can steal drugs from.
The Korean Mob are possibly based on jopok (Korean:조폭, short for "jojikpokryeokbae, Korean:조직폭력배)", means "organized crime" in English) or Kkangpae (Korean:깡패), Korean mobsters or street thugs. However, these terms are used in South Korea, while the Korean Mob are said to have originated from North Korea.
More than likely, the Korean Mob are loosely based on Room 39, a North Korean governmental organization that allegedly engages in illicit activities to fund the country's slush fund, including counterfeiting and drug trafficking.