When Gov. Doug Ducey was stuck in a six-way Republican primary one year ago, he promised to “fight back with every resource at my command” to secure the state’s border with Mexico. “Fencing, satellites, guardsmen, more police and prosecutors,” Ducey ...

Homeland Security Secretary Jeh Johnson said April 24 that the number of people apprehended at the border is “down considerably” from 2014, a sign that investments in border security are paying off.

Gov. Jan Brewer fought President Barack Obama on immigration and border security for most of her tenure, earning national prominence by enacting tough laws that were mainly struck down by the courts and famously wagging her finger in the president's face during a meeting on an airport tarmac.

Homeland Security Secretary Jeh Johnson said he will return to southern Arizona early next year to meet with residents and talk about steps his agency is taking to secure the border and further reduce illegal immigration.

The number of immigrants in the U.S. illegally has stopped growing for the first time since the 1980s, another sign of the success of border-security efforts, the head of Homeland Security said Oct. 9.

Border security and illegal immigration have become dominant issues in the Republican primary for governor as some accuse their opponents of making unrealistic promises that they can’t keep.

A bill to deal with the immigration surge on the U.S.-Mexico border won a temporary reprieve in the Senate Wednesday as lawmakers maneuvered to offer some response to the crisis before adjourning for the summer.

At an impasse on immigration, House Republicans and Senate Democrats advanced competing proposals Wednesday for dealing with tens of thousands of young migrants showing up at the southern border. Each side quickly ruled the other's approach unacceptable, leaving any solution unclear with Congress' annual August recess looming.

The six Republican gubernatorial candidates argued about illegal immigration, the K-12 education standards known as Common Core and economic development in a televised debate Monday.

Christine Jones said she’ll deploy 1,200 Arizona National Guard troops to the Mexican border and build fencing along key smuggling routes if elected governor.