John Spencer is chair of urban warfare studies at the Modern War Institute and a founding member of the International Working ...

An Arizona bill proposes a tax credit to help construct more barricades along the United States-Mexico border in Arizona.

A drone helped Mexican state police find a tunnel that went underneath the border wall in San Luis ... that was under construction at the U.S.-Mexico border in San Luis. Customs and Border ...

Added length to the southern Arizona border wall may lead to the extinction of a rare desert fish, the Center for Biological ...

He has promised historic mass deportations and signaled sweeping changes to policies that in recent years have defined the nation’s southern border with Mexico. Arizona Republic reporters ...

Trump promises to sign executive actions to address immigration and border security. Some will likely spark legal battles.

YUMA, AZ (AZFamily) — Mexican police believe they disrupted the construction of a new drug tunnel into Arizona ... across the U.S.-Mexico border. The State Public Secretary Secretariat of ...

A smuggling tunnel still under construction was discovered by authorities at the Arizona-Mexico border – marking ... drugs or people under the border wall and into the US, according to AZ ...

Video: Jeremy Schnell and Felisa Cárdenas/KTAR News The city of Douglas may be a port of entry between the United States and Mexico, but the Arizona ... finishing the border wall comes from.

The U.S.-Mexico border wall stretches along farmland in San Luis, Arizona, on Jan. 7 ... had sought to protect” and caused irreparable damage to a significant oasis in the Sonoran Desert.