The term CAPO is a title used in organized crime, particularly the MAFIA. The word is derived from the Italian word for 'HEAD' or 'CHIEF'. A capo is a high-ranking member of a crime family who is responsible for supervising and managing its activities. The three crossword solutions for the term CAPO are DEI (3 letters), ARIA (4 letters), and MAFIA (5 letters). DEI stands for Direzione Esecutiva Investigativa, which is the executive investigative direction of the Italian police force. ARIA stands for Associazione Riunione Investigazioni Affari, which is an Italian association that investigates business affairs. Finally, MAFIA stands for the MAFIA, which is an organized crime syndicate originating in Italy.