The deal on "guidance and technical assistance" was inked by UN Commissioner Michelle Bachelet, Mexican Foreign Minister Marcelo Ebrard and Interior Minister Olga Sanchez Cordero in the presence of the bereaved families.
"I salute the willingness of the Mexican government to collaborate with my office so the victims and families’ legitimate claims lead to results in the search of the victims, truth, justice and reparations. Only in this way, we will be able to say Never Again", Bachelet said at the ceremony.
The students from the Ayotzinapa teachers’ college disappeared in the city of Iguala in Guerrero state on the way to a march in Mexico City.
Local police allegedly rounded them up and handed them over to a drug gang. The mayor of Iguala and many police officers were arrested.