Attorney's General office's special agents embark into an armoured car some of the 27 municipal policemen involved in an attack against students in Iguala last month and now presented to the press in Mexico City on October 17, 2014.

Attorney's General office's special agents embark into an armoured car some of the 27 municipal policemen involved in an attack against students in Iguala and presented to the press in Mexico City on October 17, 2014. 
© 2014 YURI CORTEZ/AFP/Getty Images