The Border Project: NAFTA fueling illegal immigration, critics say

Free trade between the U.S. and Mexico put many Mexican farmers out of work.

The Border Project: The Thin Line

The Border Project: Dead migrants scattered across desert

An average of 180 bodies are found in the Pima County, Ariz., desert every year.

The Border Project: Defying danger, immigrants flow into U.S.

Elisa Lagos reports from the Mexico/Arizona border trail.

The Border Project: Border wall harms environment, some say

The border fence has disrupted animal migration patterns and caused flooding.

The Border Project: Group doles out water, saves lives

Humane Borders gives illegal immigrants what they need most: water.

The Border Project: Deported man plans to cross again

Jose Estrada was deported five days ago and will try to cross the border again.

The Border Project: Wrangling the border

After local rancher Robert Krentz was killed on his property in Arizona, efforts to increase border security have improved, many ranchers say.

The Border Project: Guarding the line

Former Special Agent Lee Morgan talks about ranchers by the Arizona-Mexico border.

The Border Project: Staging ground for the undocumented

The town of Altar, Mexico, responds to the needs of migrants making the dangerous trip across the border.