The Underworld Group, also known as 'The MOB', is an organized crime syndicate that has been active since the early 20th century. It is composed of various criminal organizations, including the Italian Mafia, the Chinese Triads, and the Japanese Yakuza. The MOB is known for its involvement in activities such as extortion, money laundering, drug trafficking, and murder. The MOB is also known for its strong influence in politics and business.