In it, the government accuses Walgreens of filling millions of unlawful prescriptions, including for excessive quantities of opioids, early refills of opioids and the so-called “holy trinity” of commonly abused drugs: an opioid, a benzodiazepine and a muscle relaxant.

Walgreens skimped on compliance and filled millions of prescriptions for narcotics that weren't medically necessary, the Department of Justice alleged in a complaint against the company, first brought by four whistleblowers.

Last week, the U.S. Department of Justice filed a civil complaint against Walgreens Boots Alliance Inc (NASDAQ:WBA) and its subsidiaries, alleging widespread violations of the Controlled Substances Act (CSA) and False Claims Act (FCA).