Police officers are appointed according to the Police Act, or are members of the RCMP. They are responsible for enforcing federal, provincial, and municipal laws; protecting life and property; preventing crime; and keeping the peace. They have a broad range of duties and roles, of which law enforcement is the major role. Police officers investigate occurrences, arrest offenders, and bring them before the criminal justice system. They also provide a variety of community services including: crime prevention, educational programs, assisting in locating missing persons, dealing with lost property, traffic control, victim assistance, and collision investigation.