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: Drug That Killed Prince, Tom Petty Has Long History of Abuse

Opioid epidemic in the United States - Wikipedia

Obama officials failed to focus as fentanyl burned its way across America – The Morning Call

The Fatal “Blues” — LEB

Fentanyl: The dangers of this potent “man-made” opioid - Harvard Health

Prince Died From Accidental Overdose of Opioid Painkiller - The New York Times

Music's Fentanyl Crisis: Inside the Drug That Killed Prince and Tom Petty

Viewpoint: While COVID rages, fentanyl quietly leads young deaths - DBT

You don't get a second chance': Fentanyl epidemic surges throughout Idaho, Local News

What to know about fentanyl, the opioid tied to Prince's death