Frustrated Classmates of Mexico's Ayotzinapa 43 Attack Military Base

Classmates of the 43 disappeared Ayotzinapa students attacked a military base in Chilpancingo Wednesday, the capital of Mexico's violence-ridden Guerrero state, amid frustrations over the failure of authorities to get to the bottom of the case more than two years after the students went missing.

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Local authorities reported that a group of people gathered outside the military headquarters and started to chant slogans like “They were taken alive, we want them back alive,” a phrase family members have repeated throughout their two-year fight for justice. Then the demonstrators started throwing dozens of Molotov cocktails and firecrackers into the facilities.

The action was carried out as the parents of the missing students are demanding that authorities prosecute military personnel from the 27th Infantry Battalion, which the parents accuse of being responsible for the disappearance of their children.

Investigative journalist Anabel Hernandez leveled the allegation in her new book, "The True Night in Iguala," in which she describes how Mexican soldiers were involved in the disappearance and apparent massacre of the 43 students.

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Neither the Ministry of Defense nor the Interior Ministry has responded to these new allegations. However, families of the victims and scores of supporters in Mexican society who have been outraged by the iconic case are exerting pressure on authorities after months of poor responses and botched investigations.

Dubbed a “historic truth,” the government has long claimed that corrupt police officers handed the students to local drug gangs, who then incinerated them at a garbage dump, a theory that has been rejected and denounced as “improbable” by international forensic experts.

The official version of events blames the crime solely on corrupt local authorities, but the Mexican Army has been repeatedly accused of human rights abuses in the past, including extrajudicial killings.