Oklahoma Attorney General Mike Hunter, who obtained a $475 million judgment last year against opioid manufacturer Johnson & Johnson, announced on Monday a new lawsuit against three distributors of the prescription painkillers.

The lawsuit, filed on Monday, seeks to hold McKesson Corp., Cardinal Health Inc. and AmerisourceBergen Drug Corp. liable for Oklahoma's costs associated with the opioid crisis.

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Amanda Bronstad

Amanda Bronstad is the ALM staff reporter covering class actions and mass torts nationwide. She writes the email dispatch Law.com Class Actions: Critical Mass. She is based in Los Angeles.