Michel Marizco

Scott Warren (center) of Ajo, Ariz., celebrates with his attorneys Amy Knight and Greg Kuykendall outside court in Tucson, Ariz., on Wednesday.

Jury Acquits Aid Worker Accused Of Helping Border-Crossing Migrants In Arizona

Bobby Allyn

The jurors unanimously found Scott Warren not guilty of federal charges of harboring undocumented immigrants. Such prosecutions have risen under President Trump's hard-line immigration policies.

Retrial For Activist In Arizona

Michel Marizco

In Arizona, the U.S. government is again prosecuting a humanitarian aid worker it says was harboring undocumented immigrants and trying to hide them from Border Patrol agents.

Border Agent Acquitted Of Involuntary Manslaughter In Mexican Teen's Death

Michel Marizco

A jury in Arizona on Wednesday acquitted Border Patrol agent Lonnie Swartz of involuntary manslaughter. He was charged with killing a 16-year-old Mexican teenager in 2012.

Hundreds of people wait to pass from Mexico into the United States at the border crossing in Nogales, Ariz., in 2010.

Arizona Residents, Officials Skeptical As Border Troops Move In

Michel Marizco

As thousands of troops arrive to reinforce security at the U.S.-Mexico border, Arizona officials worry migrants will try to storm the border.