DIA was established with the law decree n. 345 of 29 October 1991 , following the intensification of the fight against the Sicilian Mafia in Italy , just before the killing of magistrate Giovanni Falcone , the main inspiration and promoter , and was created with the urgent decree during the Andreotti VII government and Italian Minister of Justice Claudio Martelli as a police multy-force body ( Carabinieri , Polizia di Stato e Guardia di Finanza )
the killing
Capaci bombing
Direzione Investigativa Antimafia