McKesson Corp: DEA’s Denver field division, had been examining the operations of the nation’s largest drug company

“We feel like our system was hijacked” DEA agents say a huge opioid case

“This is the best case we’ve ever had against a major distributor in the history of the Drug Enforcement Administration,” said Schiller, who recently retired as assistant special agent in charge of DEA’s Denver field division after a 30-year career with the agency.
https://www.denverpost.com/2017/12/17/mckesson-dea-denver-opioid-case/