http://en.wikipedia.org/wiki/Black_Kettle
^^black kettle
"What Black Kettle may have trusted were his own traditions. As a Peace Chief following pipe tradition, he would have been taught the four central tenets of faith, truth, humility and respect. Black Kettle is remembered as much for how he lived as how he died."
if the song is about lawyers and the court system[see kangaroo court:
http://en.wikipedia.org/wiki/Kangaroo_court]
then this would make sense.