The Ayotzinapa case became the most emblematic case of enforced disappearance during Pena Nieto's presidency
Kidnappers freed about 80 school children and a driver in west Cameroon on Wednesday, but kept hold of a principal and one teacher, two days after snatching them in a school raid
Many women who become victims of sex trafficking are first reported as missing and their corpse is later found
The Ombudsperson said that the disappearance of the students is a serious human rights violation