border security

US Border Patrol agent Art Del Cueto points to the Mexican border just a few feet away.

Is ISIS a threat on the US border? Some border patrol agents believe it is — but others say not so fast

Some US Border Patrol agents believe the threat from ISIS on the US border is very real. But some southwestern politicians call the contention little more than anti-Islamic fear-mongering, saying the evidence doesn't support claims of ISIS infiltration.

Is ISIS a threat on the US border? Some border patrol agents believe it is — but others say not so fast
Turkish soldiers stand at a position on the Turkish-Syrian border near the southeastern town of Suruc on September 24, 2014.

Turkey prepares to shift course and take military action against ISIS

Turkey prepares to shift course and take military action against ISIS
Residents along the border in Texas' Rio Grande Valley express their sentiments on properties up and down the Rio Grande River.

For some Texans on the border, more walls and patrols won't solve the immigration crisis

For some Texans on the border, more walls and patrols won't solve the immigration crisis
National Guard troops patrol along the US-Mexico border in Nogales, Arizona, in 2010. Texas is authorizing a similar call-up on its border.

Why Rick Perry is sending the National Guard to the Texas border

Why Rick Perry is sending the National Guard to the Texas border
Soldiers of Moldova's self-proclaimed separatist Transnistria region take part in a military parade in Tiraspol.

Transnistria is a slice of Cold War real estate — and even its name is in dispute

Transnistria is a slice of Cold War real estate — and even its name is in dispute

Security experts are trying to stay a step ahead of Yemen's bomb-makers

The al-Qaeda affiliate in Yemen has created bombs that have successfully evaded airport security at least three times. In the security biz, they are known as "artfully concealed devices."

Security experts are trying to stay a step ahead of Yemen's bomb-makers
Maricopa County Sheriff's Office has its own helicopters for search and rescue operations, including some rescues of recent border crossers who call 911 dispatchers in the county.

When migrants crossing the US-Mexico border get into trouble, 911 is there

The US-Mexico border is an unforgiving place, where weather can shift quickly from blazing heat to freezing nights. And even those trying to cross into the US illegally will call 911 when they are scared, suffering and need help.

When migrants crossing the US-Mexico border get into trouble, 911 is there