 The national policing agencies are the Polizia di Stato (State Police), the Arma dei Carabinieri, the Guardia di Finanza (Financial Guard), and the Polizia Penitenziaria (Prison Police), as well as the Guardia Costiera (coast guard police).The "Polizia di Stato" are a civil police supervised by the Interior Ministry, while the "Carabinieri" is a gendarmerie supervised by the Defense Ministry; both share duties in law enforcement and the maintenance of public order.Within the Carabinieri is a unit devoted to combating environmental crime.