OKLAHOMA CITY — A new exhibit on the true-life murders of wealthy Osage people in the 1920s opens on Friday, October 6, inside the Oklahoma History Center Museum. “Trust and Betrayal in Osage County” will be displayed in the ONEOK, Inc. Gallery until March 1, 2024.


The crimes are detailed in David Grann’s 2017 book “Killers of the Flower Moon: The Osage Murders and the Birth of the FBI.” A movie based on the murders will be released on Friday, October 20 – two weeks after the exhibit opens. It’s estimated that two dozen members of the Osage Nation were murdered in the 1920s in a plot to get Osage wealth through murder. Most of the crimes were not investigated by local authorities.


The Oklahoma History Center is located at 800 Nazih Zuhdi Dr. in Oklahoma City. It is open to the public Monday through Saturday from 10 a.m.-5 p.m. Please call 405-522-0765 or visit www.okhistory.org/historycenter for admission costs and group rates.

The Oklahoma History Center is a division of the Oklahoma Historical Society and is an affiliate of the Smithsonian Institution, National Archives and is an accredited member of the American Alliance of Museums. The mission of the Oklahoma Historical Society is to collect, preserve and share the history and culture of the state of Oklahoma and its people. Founded in 1893 by members of the Territorial Press Association, the OHS maintains museums, historic sites and affiliates across the state. Through its research archives, exhibits, educational programs and publications the OHS chronicles the rich history of Oklahoma. For more information about the OHS, please visit www.okhistory.org.