An Arizona sheriff's department said it was working with the FBI and U.S. Customs and Border Protection in response.

Federal officials have slapped migrant smuggling charges on a man already facing two state counts of murder and aggravated ...

A Border Patrol agent shot and critically wounded a man in Arizona about 30 miles from the US-Mexico border near a checkpoint ...

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The FBI said the 34-year-old Arizona man was fleeing during a human smuggling investigation and fired at a CBP helicopter.

There was no immediate information on the person's identity, and it is unclear if any federal agents have been injured.

The FBI said federal agents tried to apprehend the man, 34, near Arivaca, Arizona, when he shot at a Border Patrol helicopter ...