be the model citizen displaying what was deemed appropriate behaviour at all times. Bad offences such as murder could result in banishment. Tribes used a self-help legal system like bands, but one that was more formalised. The mediator system (found amongst composite bands as well) was like the familial system, except a third party was called on. They were usually called on by the offender and their only purpose was to help in negotiations (they had no authority). Again the victim had community support. Enforcement power was not as restricted as in a band because leaders had limited authority. In such tribes like the Cheyenne enforcement of appropriate behaviour was backed up by chiefs and camp police. The fear of banishment alone enforced appropriate behaviour (Baileys and Peoples 2003).
             Chiefdoms were further formalised and had a central p
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