By Miguel Rios, For The OklahomanShootings, poisonings, explosions, a lot of deception and the birth of the FBI: David Grann's “Killers of the Flower Moon” covers the Osage tribe and the murders that took place after they discovered oil on their land and became wealthy. Margie Burkhart, a minor figure in the book and member of the Osage tribe, participated in a book discussion led by Oklahoma City University President Robert Henry on the campus on Nov.Read more on NewsOK.com