Authorities found 70 pounds of fentanyl hidden inside boxes of slices of cactus, a Mexican food stable known as nopales.

Gov. Katie Hobbs' order expands border security operations in four border counties, Yuma, Pima, Santa Cruz and Cochise.

Mexican law enforcement said they seized some 275,000 pills of the lethal drug in the border state of Sonora, on its way to ...

Troops in Nogales, Mexico, have found 150 fentanyl pills, according to official statistics. Meanwhile, U.S. officials across ...

Natalie Vanessa Tate had woken up to find her pill container opened and then the next day discovered her child unresponsive.

Top Arizona Democrats and Donald Trump want less fentanyl coming into the state but they differ on how to accomplish that goal.

The president said the flow of the illicit opioid is one of the reasons for imposing tariffs on trading partners.

Mexican law enforcement said they seized some 275,000 pills of the lethal drug in the border state of Sonora, on its way to Arizona, and that they arrested a 29-year-old man. The drugs were valued at ...

A former Arizona man caught shipping fentanyl pills to a person in Lincoln was sentenced to prison on Thursday.

Authorities in northern Mexico found 32 kilograms of fentanyl hidden inside boxes of sliced cactus, a quintessential Mexican ...

Marcus Richardson, 25, got six years in federal prison with a three-year term of supervised release for conspiracy to money ...

A Phoenix woman will be going to prison for more than a decade after her baby died from a fentanyl overdose, the Maricopa ...