In the lawsuit filed in Manhattan federal court, the daughters — along with the Malcolm X estate — claimed that the agencies were aware of and were involved in the assassination plot and failed to stop the killing.
At a morning news conference, attorney Ben Crump stood with family members as he described the lawsuit, saying he hoped federal and city officials would read it "and learn all the dastardly deeds that were done by their predecessors and try to right these historic wrongs."