Federal officials say they are preparing with state and local partners while launching a visitor-focused fentanyl awareness campaign.

The Drug Enforcement Administration (DEA) said the country continues to face an unprecedented and evolving drug threat driven by illicit fentanyl, which the agency said is increasingly mixed with a dangerous array of synthetic substances emerging in the illicit market.

A federal agent who oversees a U.S. Drug Enforcement Administration laboratory involved in the investigation of a deadly New Mexico incident, where opioid exposure