FILE - In this Feb. 26, 2015, file photo, a protester injured in a scuffle with police shouts out his name as he and a woman are detained in Mexico City. The pair, and other protesters who had taken part in a march marking the fifth month of the disappearance of 43 students from a rural teachers college, clashed with police after they were prevented from entering the subway. (AP Photo/Eduardo Verdugo, File)