A relative of students reported missing after a violent confrontation in Iguala with police, attend a press conference at the Isidro Burgos rural teachers college in Ayotzinapa, Mexico, Oct. 6, 2014. State officials worked Monday to determine whether 28 bodies found in a clandestine grave are students who were attacked by police in Iguala. President Enrique Pena Nieto called the deaths "outrageous, painful and unacceptable." (AP Photo/Eduardo Verdugo)
A relative of students reported missing after a violent confrontation in Iguala with police, attend a press conference at the Isidro Burgos rural teachers college in Ayotzinapa, Mexico, Oct. 6, 2014. State officials worked Monday to determine whether 28 bodies found in a clandestine grave are students who were attacked by police in Iguala. President Enrique Pena Nieto called the deaths "outrageous, painful and unacceptable." (AP Photo/Eduardo Verdugo) AP
A relative of students reported missing after a violent confrontation in Iguala with police, attend a press conference at the Isidro Burgos rural teachers college in Ayotzinapa, Mexico, Oct. 6, 2014. State officials worked Monday to determine whether 28 bodies found in a clandestine grave are students who were attacked by police in Iguala. President Enrique Pena Nieto called the deaths "outrageous, painful and unacceptable." (AP Photo/Eduardo Verdugo) AP

Mexico confronts reports that police helped massacre 43 students

October 06, 2014 6:18 PM