Delaware Expungement of Criminal Records New Castle County Petition is a legal process that allows individuals to have certain criminal charges expunged (erased) from their public record. This petition process can be used to remove charges such as misdemeanor offenses, felonies, and even some non-conviction records from an individual’s criminal record. There are two types of Delaware Expungement of Criminal Records New Castle County Petition: Limited Expungement and Complete Expungement. Limited Expungement is used when certain criminal charges have been dismissed or found not guilty. This process will only expunge the record of the dismissed or not guilty charges. Complete Expungement is used when a person is found guilty of a crime and is seeking to have the entire criminal record expunged. This process will remove all criminal charges from the record.