Myron B. Pitts: Wave of designer drugs increase opioid crisis

We've heard a lot about the opioid crisis and how it is snatching lives. What I didn't know is that under the name “opioid” is a dizzying array of street drugs, often blended into a potentially toxic mix and sold to users as a heroin additive or substitute. I learned a lot this past Friday talking to Lynn Thornton ...