What is fentanyl? The little-known but deadly drug that killed Prince, US news

One of the most dangerous drugs is a synthetic opioid ‘so potent and that even a microgram amount can kill’ – and it’s up to 50 times more powerful than heroin

Fentanyl overdose deaths spike across the country, a trend driven by secret labs and fake pharmacies - Voices For Awareness

Hearing on Combating the Fentanyl Crisis

Mexican Oxy Opioid Pills Take Deadly Toll On Southwest US - Bloomberg

Powerful opioid fentanyl poses serious risk of fatal overdose

What Is Fentanyl and How Is It Getting to the US?

Fentanyl Drives U.S. Drug Overdose Toll Ever Higher

Fentanyl, The Drug That Killed Prince, Is 100 Times Stronger Than Heroin

SPECIAL REPORT, Deadly drug overdose epidemic devastates Pittsburgh region

Could hip surgery have saved Tom Petty and Prince? - The Boston Globe

Pills seized from Paisley Park contained illicit fentanyl, same drug that killed Prince

DEA chemists risk their lives testing fentanyl