A Tucson man and a Phoenix resident were arrested after investigators allegedly recovered 700,000 pills of suspected fentanyl ...

Two people are facing charges after agents in Phoenix seized about 700,000 fentanyl pills during a narcotics investigation.

Noah Ayala died of a fentanyl overdose the first time he tried drugs, but the teen who sold him pills was never charged. That must change.

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

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

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

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

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

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

The mobile labs are capable of being deployed anywhere in Arizona. This provides the DEA with the flexibility to test drugs ...