Shouts ring out, an alert is sounded and a U.S. Border Patrol SUV races toward the wall — warning enough to send the man scrambling back over it, disappearing into Mexico.

NOGALES, Ariz. — President Donald Trump has thrust the military into a central role in deterring illegal crossings into the U.S. at its southern border. The strategy is playing out in Arizona ...

A man is halted climbing the US-Mexico border wall. Under new Trump rules, US troops sound the alarm Trump declaration thrusts military into central immigration role ...

US troops are sharing command stations and vehicles with civilian immigration authorities at the southern border with Mexico under an emergency declaration from President Trump.

(AP) U.S. troops are sharing command stations and vehicles with civilian immigration authorities at the southern US border under an emergency declaration from President Donald Trump. Troop ...

U.S. troops are sharing command stations and vehicles with civilian immigration authorities at the southern U.S. border under an emergency declaration from President Donald Trump.