DEA Warns of Brightly-Colored Fentanyl Used to Target Young Americans

What is fentanyl and why is it behind the deadly surge in US drug overdoses?

Complicating the Opioid Epidemic: The Many Faces of Fentanyl, News Release

Families grieving fentanyl deaths to rally in support of new laws

The Fentanyl Epidemic: How and Why Fentanyl Became One of the Most Dangerous Drugs in the U.S. · Support Systems Homes in San Jose

Fentanyl Addiction, Withdrawal, and Treatment

Rainbow Fentanyl' Jackson County Combat, MO

Why is fentanyl so deadly? What was it originally for?

What's behind the spike in fentanyl overdoses in Mexico?, Drugs News

WATCH: 'This is something that could kill you.' Panel discusses fentanyl epidemic plaguing Colorado Springs, Health

What Are Fentanyl Pills? Guardian Recovery Network