Article 41-bis was introduced in 1975 ( Prison Administration Act , Law no. 354 of July 26 , 1975 ) as an emergency measure to deal with prison unrest and revolts during the years of lead ( ) , characterized by widespread social conflicts and terrorism acts carried out by extra-parliamentary movements . On 8 June 1992 , after the killing on 23 May of judge Giovanni Falcone by the Corleonesi clan of the Sicilian Mafia in the Capaci bombing , the regime was modified ( confirmed in Law no. 356 of 7 August 1992 ) . The new article stipulated that restrictive measures could be implemented when there was " serious concern over the maintenance of order and security . " The aim was to prevent association , and therefore the exchange of messages , between Mafia prisoners and to break the chain of command between Mafia bosses and their subordinates
Capaci bombing
Capaci bombing
Article 41-bis prison regime