Survivor : `` Dos Erres is being done . ... It was an atrocity , what they did '' Guatemalan denies he was involved in the 1982 massacre at Justice . He is the first former soldier convicted of the killings . 30 people were killed in the massacre .
Survivor : `` Justice is being done . ... It was an atrocity , what they did '' Pedro Pimentel Rios denies he was involved in the 1982 massacre at Dos Erres . He is the fifth former soldier convicted of the killings . Some 250 people were killed in the massacre .