Mexican officials have begun scouring new sites for the remains of 43 student teachers who disappeared five years ago, after authorities said they would start the investigation from scratch, having discarded the results of a previous one. The abduction and apparent massacre of the youths, widely believed to have been committed by corrupt police working with a violent drug gang on the night of Sept. 26, 2014, drew international outrage and condemnation of the administration of former President Enrique Pena Nieto. Pressure has been growing on Pena Nieto’s successor, President Andres Manuel Lopez Obrador, to fulfill his promises to uncover what really happened in a case that many Mexicans link to federal authorities.
