The Department of Justice filed a civil action Tuesday against Walmart for playing an active role in fueling the opioid epidemic, a lawsuit Walmart calls “misguided.”

The complaint, filed in the U.S. District Court for the District of Delaware, alleges “hundreds of thousands” of violations of the Controlled Substances Act (CSA), which regulates supply chain participants—from manufacturers to wholesale distributors to retail pharmacies—who handle controlled substances. Under the CSA, suppliers are responsible for preventing the misuse of controlled substances, including prescription opioids.

Jaclyn Jaeger is a freelance contributor to Compliance Week after working for the company for 15 years. She writes on a wide variety of topics, including ethics and compliance, risk management, legal,...