Three weeks ago, members of a Chilean feminist collective called Las Tesis put on blindfolds and party dresses and took to the streets. The festive atmosphere put their purpose in stark relief: the song they sang was “Un Violador En Tu Camino” (“A Rapist in Your Path”). It’s a sharp indictment of the Chilean police, against whom a hundred charges of sexual violence have been lodged since the beginning of the anti-government protests in October. The lyrics also target the patriarchy in general. The song might have remained a local phenomenon, but someone put it on Twitter, and, in the span of a few days, it became the anthem of women protesting sexism and violence throughout Latin America. A few days later, the protest was replicated in Paris and Berlin, and, shortly thereafter, in Istanbul, where it was shut down by police. The New Yorker’s Camila Osorio was recently in Chile and recounts the exciting story of the creation of a global movement.