Who is Dick Wilson from Lakota Woman and what is their importance?

Dick Wilson serves as the tribal president at Pine Ridge and is considered one of the worst tribal presidents they've ever had. Before his appointment, Dick and his family were in trouble for illegal practices. There were even run out of Pine Ridge for a time. After Dick is elected president, he takes away integral rights of the Native Americans living on the reservation. Freedom of speech is abolished, as is freedom of assembly on the reservation. Wilson maintains his control on the reservation by employing his own private army. People who do not defer to his orders are killed.