Fentanyl Billionaire Under Fire as Opioid Death Toll Mounts


Employees of John N. Kapoor's Insys Therapeutics bribed doctors to prescribe large, off-label doses of painkiller, prosecutors charge Before they were arrested last year, Alabama doctors John Couch and Xiulu Ruan were prized customers of Insys Therapeutics Inc., maker of a powerful and highly addictive type of synthetic opioid known as fentanyl.



from Biotech News