Louisiana Attorney General Liz Murrill plans to send a cease and desist letter to CVS for mass text messages sent to customers lobbying against legislation and is opening an investigation into whether the pharmaceutical giant improperly used customers’ personal information.

The Justice Department has unsealed a civil complaint alleging CVS Pharmacy Inc. and various subsidiaries filled unlawful prescriptions in violation of the federal Controlled Substances Act.

Workers at seven CVS pharmacies in Southern California have gone on strike for better pay and health care and to protest what they say is bad-faith contract bargaining by the company.

Drugstore chains CVS Health and Walgreens plan to start dispensing the abortion pill mifepristone in a few states.