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.

CVS sent text messages to customers urging them to contact lawmakers about a controversial bill on pharmacy benefits managers. Louisiana Attorney General Liz Murrill says she's investigating whether that was improper.

Louisiana Attorney General Liz Murrill has launched an investigation into CVS, accusing the pharmacy chain of using customer phone numbers to send political messages without consent.