ROUGH CUT (No reporter narration)
The apparent massacre of 43 trainee students in Mexico and the government's subsequent investigation are taking a toll on the students' families.
Alfonso Rodriguez, the father of Christian Rodriguez, one of the missing, speaks tenderly of his son.
"I would describe Christian as a simple and humble person. He dedicated himself to his studies. To his home and his studies, in that order," Alfonso Rodriguez said from his home in Tixla where an altar to his son reflects the hopes and despair felt by the family.
"The only wish that my son had was to move forward and get ahead," the father added.
Mexico has been convulsed by a string of protests since the 43 students were taken from the southwestern city of Iguala by police working with a local drug gang and then very likely incinerated, according to the attorney general.
Some of the protests have erupted into violence with protesters throwing Molotov cocktails and police
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