The term 'Mob Chiefs' refers to the leaders of organized crime syndicates. The term is often used to describe the top-level members of a mafia organization, such as the CAPOS. CAPOS are the highest-ranking members of a mafia family and are responsible for managing the day-to-day operations of the organization. They are also responsible for overseeing the activities of lower-ranking members and ensuring that orders from the boss are carried out.