 The Supreme Court of Cassation is the highest court in Italy for both criminal and civil appeal cases.The Constitutional Court of Italy ("Corte Costituzionale") rules on the conformity of laws with the constitution and is a post–World War II innovation.Since their appearance in the middle of the 19th century, Italian organised crime and criminal organisations have infiltrated the social and economic life of many regions in Southern Italy, the most notorious of which being the Sicilian Mafia, which would later expand into some foreign countries including the United States.