In the Mexican state of Guanajuato women used to be imprisoned for abortions or miscarriages for decades - Veronica Cruz Sanchez’s fierce campaigning led to their unexpected release. Now Veronica’s organization Las Libres is running a secret network of volunteers who are sending free abortion medication to women in the U.S. Tatyana Movshevich explores how the global movement of abortion rights defenders known as the Green Wave was born.