A woman who had access to customers ' personal identifying information while working for Blue Cross Blue Shield of Florida in 2011 has pleaded guilty to a federal charge of aggravated identity theft . Laura Butler , 40 , faces a maximum penalty of seven years in federal prison with a two - year mandatory minimum prison term . Butler was indicted on September 10 , 2014 . Her co - defendant , Cherica Daniels , pleaded guilty to the same charges last month . According to the plea agreement , Butler accessed several subscribers identities and later used them to complete false and fraudulent federal income tax returns . The case was investigated by the Internal Revenue Service and prosecuted by Assistant U.S. Attorney Kelly S. Karase . ;