Years after quitting her job as an attorney for Immigration and Customs Enforcement, Laura Peña returned to the fight — defending migrants she’d once prosecuted. Then, a perplexing family separation case forced her to call upon everything she’d learned.

In South Texas, border residents struggle to cope with the latest military surge.

How to run drugs, smuggle migrants, and get away with it at America's biggest law enforcement agency.

As border security build-up in Texas intensified, two brothers paid a smuggler to bring them to the US. Only one lived to tell their story.

Texas has become the deadliest state in the US for undocumented immigrants. This four-part series looks at the lives impacted by the humanitarian crisis.

To see how the Koch brothers' free-market industry utopia operates, look no further than Corpus Christi, Texas, where the billionaires own two oil refineries.

Who's killing the people of the Juarez Valley? Hint: It's not just the drug cartels.

US immigration officials deport tens of thousands of unaccompanied children to Mexico each year, many of whom grew up in the United States. What, exactly, becomes of them?