Deadly Chinese fentanyl hits the U.S.
A new wave of digital drug trafficking in the U.S. has changed the way law enforcement cracks down on drug kingpins. As of September 2017, more than 26,000 deaths in the country have been attributed to fentanyl. Esmé Deprez, an investigative reporter for Bloomberg who has reported on deadly Chinese fentanyl, joins CBSN to discuss.