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In 2008, it was revealed that Colombia\u2019s army had been executing civilians and pretending they were rebels killed in the country\u2019s ongoing civil war. At least 4,600 innocent people were murdered in this way. They became known as the \u2018false positives\u2019.

Ben Henderson speaks to Jacqueline Castillo, whose brother was one of the victims, and Carlos Mora, who was ordered to execute civilians when he was a soldier.

(Photo: Families of 'false positives' victims. Credit: Juancho Torres/Anadolu Agency via Getty Images)