Priest and activist Alejandro Solalinde(C) arrives at the Deputy Attorney Specialized in Investigation of Organized Crimed to declare the case of the 43 missing students of the Normal Rural School "Raul Isidro Burgos" of Ayotzinapa, in Mexico City, capital of Mexico, on Oct. 20, 2014. The Attorney General Office of Mexico offered a reward of 1,500,000 pesos (around 111,500 U.S. dollars) to whoever gives information of the missing students. (Xinhua/Guillermo Arias)