MUSKEGO - Megan Murphy is a pretty, talkative 23-year-old from Muskego with long permed hair and a sobriety tattoo.

WAUKESHA — If you wrote a novel about Joaquin “El Chapo” Guzman’s exploits, no one would believe it. They might believe the gunfight that killed an archbishop at a Mexican airport, but you’d probably lose them when he escaped prison in a laundry cart. And they’d never believe the beginning o…

Physicians were plied with plush toys, fishing hats, and CDs with songs like “Get in the Swing with OxyContin.”

Pharmacology professor June Dahl agrees to meet midway between the University of Wisconsin-Madison — where she’s worked since 1957 — and Waukesha County, which is in the throes of a heroin and opioid pill crisis.

WAUKESHA — A lot’s been written about “heroin in the suburbs.” Many reports are episodic: This year’s deaths are increasing, authorities have busted a big ring or another promising young person has died. It’s left pressing questions: How did heroin become so prevalent here in Waukesha County…