Dario FO (1926) before and back cover of 'Accidental Death of an Anarchist'; represented for the first time on 5 December 1970; the play was inspired by the death of Giuseppe Pinelli took place December 15; 1969 falling from a window of the police station in Milan in circostranze unclear. This representation procured Fo over forty processes: to avoid legal problems the author moved the action comedy from Italy to the United States; where in the city of New York; at the time of Sacco and Vanzetti; had happened a true story similar starring Andrea Salsedo; anarchist; died following the arrest and fall from the fourteenth floor of the Park Row Building; FBI headquarters where he was interrogated. Bertani publisher; Italy in 1972.