 But this violence was by far predominantly of the specie male slaughtering male or male doing in female. So when Laura Fair shot Mr. Crittenden on a ferry boat, she practically invented a category and thereby caused a stir. It planted ideas in feminine minds where such ideas never dared to be. The sale of four shooters skyrocketed and somehow the sale of marriage licenses likewise. The episode on the ferry boat was a shot in the arm for the suffragette movement