Ayotzinapa Case: The President of Mexico promises "zero impunity" | Video | CNN

Six years after the disappearance of the 43 students from the Ayotzinapa school, in Iguala, Guerrero state, President Andrés Manuel López Obrador promised "zero impunity" in an event held this Saturday at the National Palace.

López Obrado also promised to get to the bottom of the investigations to clarify what happened to the 43 normalistas.

After six years of the attack, the authorities have only managed to find small fragments of bones from two students who have already been identified.