For Itzel Schnaas, a 31-year-old professional ballet dancer in Mexico City, going public was her insurance policy. If the plan worked, she believed a world-famous public intellectual, with ties to Mexico’s government and major media conglomerates, would be exposed as a sex offender, and she could be protected from him and his powerful friends. Since then, 36 women have publicly accused Andrés Roemer, leveling charges of sexual harassment, abuse and rape on social media and in the press.