How benzos and Xanax culture propel the opioid crisis

"People are fatally overdosing en masse ... and yes, opioids are driving a lot of these, but there's also a ton of drug mixing going on."

Why have benzodiazepines like Valium and Xanax been involved in a large number of Canadian opioid overdose deaths?

Zachary Siegel, a journalist and fellow at Northeastern University, breaks down benzos, why they're having a moment in the rap world and what role the drug plays in the overall overdose crisis.