Aguacates - protests outside SFO Mexico consulate

Went today to the Mexico Consulate in SFO, and there was a group of about 15 people (including kids) with placards and screaming to the top of their lungs. Their chants were about teachers, the missing 43, Peña Nieto and Osorio Chong, among others. They were being filmed by a professional looking camera. Nobody at the Consulate seemed to be bothered by them. After 45 minutes they left as peacefully as they arrived. I wonder what is the motivation, the Consul was in Mexico City today...