Nine years after the events, the setbacks in the investigation must not lead to another “historic truth” The government must act with transparency and accountability, as must the army Despite having made some progress in the investigation into the disappearance of the 43 Ayotzinapa students, in recent months the Mexican authorities have acted in a way that could affect access to truth, justice and reparation for the victims and their families, Amnesty International said today. “Nine years on