on september 9, 1980, berrigan, his brother philip, and six others (the "plowshares eight") began the plowshares movement. they trespassed onto the general electric nuclear missile facility in king of prussia, pennsylvania, where they damaged nuclear warhead nose cones and poured blood onto documents and files. they were arrested and charged with over ten different felony and misdemeanor counts. on april 10, 1990, after ten years of appeals, berrigan's group was re-sentenced and paroled for up to months in consideration of time already served in prison. their legal battle was re-created in emile de antonio's 1982 film "in the king of prussia," which starred martin sheen and featured appearances by the plowshares eight as themselves.