Through a monitor, two men watch a bomb tumble through the air toward a building at the edge of town. “Look at how they run,” one of the men says. The drone’s camera follows a group of people below as they sprint down the road before the mortar explodes. These scenes of destruction, carried out and filmed by drones, have defined the war in Ukraine. But this drone is thousands of miles away in Colombia, the latest mutation in the country’s deadly, long-standing conflict between

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