Seven of 14 people charged in a health insurance fraud scheme involving the state and school employees health insurance plan have pleaded guilty, with several still awaiting sentencing, according to attorney general’s office on Monday. Three workers for Blue Cross/Blue Shield of Mississippi, which administers the health insurance plan, processed claims up to $44,000 to at least 11 state employees for reimbursement for medical procedures that never occurred, according to the attorney general’s office. The state employees cashed the checks and kicked back some of the money to the Blue Cross employees.