The thing that would drive these nuts right over the edge is, if she's out, and they start harassing her, she would just start laughing in their faces. Or, even better, if she would draw funny faces, mustaches, devil horns, etc., on the 'wanted' posters of her, in any place she encounters them.
She needs to make it clear that their bullying tactics, and she should use exactly those words, will not deter her from exercising her right to free speech, just as they are exercising theirs.