Arizona county leaders clash over border policy, citing safety, enforcement, and federal cooperation concerns.

The migrant became dizzy and fell in a ravine where he died while being guided on foot by smugglers through the Arizona ...

The Pentagon recently asked Congress to shift $200 million in funding -- originally allocated for projects such as barracks, ...

Southern Arizona residents report Trump's border policies reduced illegal crossings and created a more positive atmosphere, ...

In Nogales, Army scouts patrolled the border in full battle gear — helmet, M4 service rifle, bullet-resistant vest — with the ...

A Tucsonn Sector Border Patrol agent has been indicted on 24 felony charges, including 10 counts of child sex trafficking, ...

U.S. troops are sharing command stations and vehicles with civilian immigration authorities at the southern U.S. border under ...

The first military zone, set up along a 170-mile stretch of border in New Mexico in April, came days after an executive order ...