In the end, the hunger strikes--those days of living on water and an electrolyte solution, those sleepless nights on a foam pad in front of the National Palace in Guatemala City and outside the White House--did win Jennifer Harbury some answers. Last week she learned of an intelligence report linking the death of her husband, Efrain Bamaca Velasquez, a comandante in the Guatemalan guerrilla forces, to a Guatemalan army colonel who had once been a paid informant for the CIA. She said, "The truth shall make you free."
In this case, though, much of the truth remains in shadow. Harbury, a...