He identified almost fifty such civil rights infringement suits since 1969 which in most instances plaintiffs won by proving violations of the first or fourth amendments in bivins v six unknown federal narcotics agents 1971 the us supreme court ruled that the fbi could be held liable for civil rights violations thus providing a tool . The dangers of dissent puts together all that has been in the public record plus a great deal which greenberg has uncovered by using the freedom of information act and by being in personal contact with individuals who have been involved in litigation with the fbi it also brings together an amazing number of secondary sources including . Request pdf on jan 1 2010 ivan greenberg published the dangers of dissent the fbi and civil liberties since 1965 find read and cite all the research you need on researchgate. The dangers of dissent book read reviews from worlds largest community for readers while most studies of the fbi focus on the long tenure of director . The dangers of dissent the fbi and civil liberties since 1965 uploaded by denise robins dangers of dissent the fbi and civil liberties since 1965 journal of american history oxford academic as part of their coverage of the anniversary of the september 11 2001 attacks national public radio and pbs reported on a study of surveillance by