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Residents walk by a bilingual sign for a CVS pharmacy on March 28, 2011 in Union City, New Jersey.

The U.S. Justice Department is now investigating claims that CVS pharmacies wrongly refilled prescriptions and charged insurance companies without the knowledge of customers. The practice may be widespread among pharmacies like Target, Walgreens and Rite Aid as well.

The L.A. Times’ David Lazarus joins the show to discuss his recent reporting on the pressure pharmacists face to refill patient prescriptions without their permission.