Mexico finds remains of another missing student, attacks 'false' history of events

Investigators have found a bone fragment belonging to one of 43 students who disappeared in Mexico in September 2014, prosecutors said on Tuesday, only the second set of remains to be definitively identified in a case that roiled the country.The abduction and apparent massacre of 43 student teachers from the Ayotzinapa Rural Teachers' College became a symbol of Mexico's chronic failure to tackle gang violence and corruption.When President Andres Manuel Lopez Obrador took office 19 months ago, he