Coming up on 60 Minutes: Investigating the latest fronts in America's opioid crisis

60 Minutes investigates synthetic opioids, which the DEA calls the deadliest drug threat the U.S. has faced. Jon Wertheim also reports on legal, addictive opioids, often marketed as natural herbal supplements.

60 Minutes investigates synthetic opioids, which the DEA calls the deadliest drug threat the U.S. has faced. Jon Wertheim also reports on legal, addictive opioids, often marketed as natural herbal supplements.