The construction began at the end of 1930 and was inaugurated in 1933 when the building was not finished yet. The edifice of pentagonal structure, is characterized by redundant forms. In the upper part it is possible to admire four large bronze sculptures made by the sculptor Albino Manca, representing naked male figures symbolizing "The Fascist age, The Justice, The New Youth and The Duty". On the top are visible crests and mottos belonging to Carabinieri Corps, reported in Latin and in Italian: "Pro patria contra omnes -Pro neminem against me"; " Obey in silence and die in silence".