“I fear the day that our first responders have to go to the wire to extricate someone," said the Arizona city's mayor.

Residents of Arivaca, Arizona, are stepping in to offer humanitarian aid to desperate people crossing from Mexico.

Navigators say that this year, their work includes convincing the skeptical that they will have benefits.

Today Mexican Nogales, known formally as Heroica Nogales, is booming and I wanted to catch up on what had been happening. By the end of my visit, I was convinced that the US is falling perilously behind Mexico in terms of borderland economic investment, growth and development.