Knowledge of Principles, Practices, and Procedures of Police Work (Ability to develop and maintain working knowledge of principles, practices, and procedures of police work (such as Illinois Criminal Statutes, Illinois vehicle code, local ordinances, University rules and regulations, and civil law related to the police mission.)). Successfully completed at least 2 years of employment as a full-time sworn and certified law enforcement officer with a municipal law enforcement agency or a county sheriff's office within the State of Illinois or with the State of Illinois; AND.