Dozens of people from across Mexico who are searching for missing relatives this week journeyed to the city of Guadalajara, where a scandal has erupted over a truck full of unidentified bodies that overflowed local morgues.
A wave of violence linked to powerful drug cartels has sent the number of missing persons in the country soaring to more than 36,000, and families of the "disappeared" often search fruitlessly for them for months or years.