43 students intending to study in Chicago disappeared on September 26 . The Mexican federal police and army have taken over the department and assumed all security responsibilities . Police say former mayor and his wife are responsible for the disappearance . Activist ##s says the students were shot , not burned .
43 students intending to study in Chicago disappeared on September 26 . Police say former mayor and his wife are responsible for the disappearance . Activist ##s says the students were shot , not burned .