Long March to Freedom

Running late for work one morning in September 1994, Tom Hargrove, communications director for an international agricultural aid organization in Cali, Colombia, was mildly annoyed when he spotted a roadblock, or retén, manned by soldiers in fatigues. He chafed at the delay, but told himself that guerrillas and kidnappers didn’t operate on a main highway in broad daylight.

But Hargrove had been ...