The Undocumented exposes the little known consequence of current United States immigration policy — the annual recovery of dead bodies and skeletal remains of those who attempt to cross into the United States through the Sonora desert. The film documents border patrol agents who fight to prevent migrant deaths, medical investigators and the Mexican consulate who work to identify dead border crossers, and Mexican families who struggle to accept the loss of a family member.

The Undocumented is a co-production of HipTruth Productions, Two Tone Productions and the Independent Television Service (ITVS), produced in association with Arizona Public Media, the Fledgling Fund and Latino Public Broadcasting with funding provided by the Corporation for Public Broadcasting (CPB).