Overdose deaths are falling, but America's illicit drug supply is re-engineering itself into lethal cocktails: fentanyl plus stimulants, sedatives, and novel synthetics that hide in party powders and pressed pills.
Why it matters: Those polydrug blends — nicknamed "pink cocaine," "rhino tranq," "benzo-dope" and others — are harder to detect, harder to reverse, harder to message against and can even result in the loss of limbs.
