The trial began in January 1987 ; there were 20 defendants . Both Fioravanti and Mambro pleaded guilty to responsibility for numerous murders , but denied they or their group carried out the Bologna massacre on 2 August 1980 . The prosecution said that Fioravanti had admitted to crimes which demonstrated an indiscriminate ruthlessness , and that he had espoused an ideology that justified attacks similar to Bologna , as had Mambro
Bologna massacre
Bologna massacre
Valerio Fioravanti