ALLEGHENY COUNTY, Pa. -- Not guilty pleas were entered Thursday from two former workers at the Allegheny County Coroner's office.

George Hollis is charged with nine counts -- including failing to file tax returns and making false statements.

His associate, Dr. Leon Rozin, is charged with one count of mail fraud.

Both Hollis and Rozin worked with former medical examiner Dr. Cyril Wecht who was indicted on charges of misusing his public office for private gain.

Wecht is scheduled to be arraigned Friday morning.