Sully hands O'Conner the white Indian Agent rule book he burned in a previous episode.
AHO is a Lakota Sioux word, not Cheyenne, that is not a hello greeting. It means 'it is good' and is used as an amen following statements or prayers.
At the end of the court case, Michaela leans over to hug Cloud Dancing, and the chair back dents in her pregnancy pillow.
Cloud Dancing supposedly plays the little flute Brian gave him but his finger movements do not match the music heard.