Families lead search for Mexico’s missing

The case of Mexico’s 43 missing students has drawn attention to the thousands of others who have gone missing in the country, many of whom the government has done little to find.

Authorities have failed to set up a basic workable database to keep track of forensic evidence, forcing families of the missing to launch a new online DNA database to help the search efforts.

Al Jazeera’s Adam Raney reports from Mexico City.