Guatemala 's Constitutional Court overturned the conviction of Efrain Rio Montt . The war did not end until 1996 , leaving more than 200,000 people dead and 1 million as refugees . Rio Montt was convicted of murder and sentenced to 15 years . The court said the case must return to the trial phase . Human rights groups say they will appeal .
Guatemala 's Constitutional Court overturned the conviction of Efrain Rio Montt . Rio Montt was convicted of murder and sentenced to 15 years . The court said the case must return to the trial phase . Human rights groups say they will appeal .