The Director, or a designee, shall investigate: An alleged violation of criminal law committed by an employee while on duty; An alleged violation of criminal law committed by an employee while off duty if that violation impacts, or has the potential to impact, negatively on the Department; An alleged violation of criminal law committed by an inmate, a visitor, a nonagency employee, or another individual that may affect the safety or security of a Department facility; An alleged violation of Maryland Public Ethics Law, State Government Article, Title 15, Annotated Code of Maryland, by an employee or nonagency employee; and Other alleged violations that have a negative impact on the Department. The Director, or a designee, shall perform other duties and investigative responsibilities assigned by the Secretary.