But post 9/11, the Southwest corridor where Arivaca, along with dozens of other Arizona border towns, sits, became Ground Zero in Uncle Sam's fight against unauthorized immigration and drug ...

Peñaloza, the presidente municipal, or mayor, of Nogales, Mexico, ordered construction of a fence running along the boundary line between his city and Nogales, Arizona. The fence would consist of ...

Members of the Utah National ... the southern border. The U.S. Military released photos dated Sunday, showing a general from the Pentagon paying a visit to soldiers near Tucson, Arizona.