Marylena Bustamante traveled 24 hours on a bus from Mexico City for a new chance at finding information about her brother, who disappeared 27 years ago during Guatemala's civil war.

Guatemalan human rights authorities recently opened a vast archive of police records that could contain information about Bustamante's brother, Emil, and thousands of other victims of state repression during the country's 36-year civil war.

"Like every family member of a detained/disappeared person, you have no idea how much I long to find the truth," said Bustamante, who arrived at the archive building holding a large portrait of Emil, whom she described as a "university intellectual."