The parents of the 43 students kidnapped four months ago in the southern state of Guerrero say Mexico's attorney general has no scientific proof to support his assertion that the youths were killed and their bodies burned.
The 43 teacher trainees missing since a Sept. 26 incident in the southern state of Guerrero involving gangsters and corrupt cops are dead, Mexican Attorney General Jesus Murillo Karam said Friday, citing statements from three suspects in custody.