sentences:  Those who provide testimony to the Commission are obliged by law to tell the truth.The Commission can also submit reports to the Parliament as often as desired, but does so at least on an annual basis.The first proposal to constitute a commission of inquiry into the Mafia was the result of post-war struggles for land reform and the violent reaction against peasant organizations and its leaders, culminating in the killing of 11 people and the wounding of over thirty at a May 1 labour day parade in Portella della Ginestra.