The fourth Commission was installed on June 8 , 1992 , after the murder of judge Giovanni Falcone on May 23 and was modified after the killing of his colleague Paolo Borsellino on July 19 . On September 23 , Luciano Violante from the Democratic Party of the Left ( Partito democratico della Sinistra , PDS ) was appointed president of the Commission . Under Violante ’s leadership the Commission worked for 17 months until the dissolution of Parliament in February 1994 . It passed 13 reports , but its most important one was on the relations between the Mafia and politics , the so-called '' terzo livello '' ( third level ) of the Mafia , on April 6 , 1993
the murder
Capaci bombing
Antimafia Commission